Get Free 2004 GMC SIERRA V8, 6.6L; Diesel; Turbo TSBs

Released 2/3/2017
Normal Characteristic - Tailgate Cable Slack

Released 11/4/2015
Disabling Or Removing CNG (Compressed Natural Gas) Fuel Systems

Released 10/31/2015
Diagnostic Tip for Coolant Leak at Oil Cooler Inlet Pipe O-Ring After Service Engine Replacement

Released 10/31/2015
Normal Characteristic - Tailgate Cable Slack

Released 6/1/2015
Higher Than Expected Oil Consumption at 8600 GVW and Above

Released 6/1/2015
Pre-Formed and Pre-Flared Hydraulic Brake Pipe Kits Now Available for Service

Released 5/12/2015
Information on Higher Than Expected Oil Consumption

Released 4/4/2015
Normal Characteristic - Tailgate Cable Slack

Released 11/13/2014
Normal Characteristic - Passenger Compartment Air Filter

Released 11/11/2014
Speedometer Needle Accuracy Information

Released 8/26/2014
Information on Identifying Duramax Diesel Overpower Engine Breakdown/Non-Function Due to Aftermarket Power-Up Devices vs Non Overpower Engine Non-Function of Pistons, Cylinders, Valvetrain Components, DTC P003A or P111D Set

Released 8/8/2014
Concerns Or Questions Regarding The Installation Of Dealer Installed Accessories

Released 8/7/2014
Inside Rear View Mirror is Loose and/or Mirror Mounting Bracket Fell Off

Released 7/16/2014
Duramax Diesel Glow Plugs Difficult to Install Due to Carbon Buildup - New Glow Plug Bore Reamer Available

Released 6/19/2014
Radio Reprogramming Using Techline/Service Programming System (SPS) - Ensuring Correct Vehicle Selection

Released 1/22/2014
Speedometer Needle Accuracy Information

Released 6/19/2013
Global Information for GM dexos 1 and dexos 2 Engine Oil Specifications, Licensed Brands, and Service Fill

Released 6/19/2013
Repair Information for Reconnection of Rear Window Defroster (Defogger) Contact or Tab

Released 6/19/2013
Information on Slight Vehicle Movement in Park at Start Up After Cold Soak

Released 4/23/2013
Odometer Servicing When The Odometer Cannot Be Set To The Actual Mileage

Released 4/12/2013
Information on Driveline Clunk Noise

Released 3/29/2013
Vehicle Software Enhancements

Released 3/22/2013
Vibration Analysis Worksheet

Released 3/1/2013
Paint-less Dent Repair Process

Released 2/17/2013
Tailgate Cable Slack

Released 2/15/2013
Windshield Wiper Performance, Cleaning Instructions and Maintenance

Released 2/15/2013
Information for Electrical Ground Repair - Use New Replacement Fasteners with Conductive Finish

Released 2/11/2013
Prior To Any Circuit Testing

Released 2/8/2013
HYDRA-MATIC Front Wheel Drive 4T80-E (MH1) Left Front Axle Seal Leak, Transmission Slips in Gear (Replace Third Clutch Housing with Revised Service Part)

Released 9/4/2012
Information on Normal Maintenance or Warranty Service for 4T40, 4T45, 4T65, 4L60 Automatic Transmission Oil Pan Magnet Upgrade

Released 9/4/2012
IPC Odometer Programming Method Quick Reference Guide

Released 5/3/2012
Information on Tire Radial Force Variation (RFV)

Released 3/19/2012
Hem Flange Rust Repair

Released 10/24/2011
Use of Surface Conditioning Disks When Cleaning Engine Gasket Sealing Surfaces and/or Reused Engine Parts

Released 10/22/2011
Warranty Code Generated By EL-50313 Midtronics GR8 Battery Tester/Charger Required for Claim Processing On Labor Operation 4041510 and Battery Part Restriction (North America ONLY)

Released 10/13/2011
Eliminating Unwanted Odors in Vehicles

Released 7/22/2011
Car and Truck Fix it Right the First Time Issues

Released 7/22/2011
Car and Truck Fix it Right the First Time Issues

Released 7/15/2011
Key Code Security Rules and Information on GM KeyCode Look-Up Application (Canada Only)

Released 6/10/2011
Squeak or Creak Noise from Underbody over Bumps (Replace Body Cables)

Released 4/12/2011
Underbody Pop or Clunk Type Noise While Turning or Driving on Uneven Road Surfaces (Install Body Mount Insulator)

Released 2/2/2011
Seat Belt Buckle Latching Issues and/or Seat Belt Warning Lights Illuminated

Released 11/19/2010
Application of Anti-Corrosion Materials

Released 9/10/2010
Distortion in Outer Surface of Vehicle Glass

Released 6/22/2010
Underbody Pop or Clunk Type Noise While Turning or Driving on Uneven Road Surfaces (Install Body Mount Insulator)

Released 5/4/2010
Information on Instrument Panel Cluster (IPC) Odometer and Engine Hour Meter Set Up at Dealership After IPC Replacement

Released 3/30/2010
Information on Proper Use of Floor Mats

Released 3/4/2010
Car and Truck Fix It Right the First Time Issues

Released 2/25/2010
Information on Heated Electrochromatic Outside Rearview Mirror Performance

Released 11/4/2009
Car and Truck Fix It Right the First Time Issues

Released 9/18/2009
Clear Stain or Film on Inside Perimeter of Windshield Glass (Clean/Polish Glass)

Released 7/28/2009
06-08-50-004A: Front Seat Armrest Hinge Breaking (Replace Lid) - (Jul 28, 2006)

Released 6/22/2009
Bumps or Rust Colored Spots in Paint Due to Rail or Iron Dust (Remove Rail Dust)

Released 5/6/2009
Car and Truck Fix It Right the First Time Issues

Released 4/23/2009
IPC Odometer Programming Method Quick Reference

Released 3/19/2009
Marks/Stains on Windshield When Wet (Clean Windshield)

Released 3/12/2009
08-08-51-002: New Primer For TPO Fascias and Affected Cleaning Process of Painting Operation - (Mar 12, 2008)

Released 3/9/2009
Car and Truck Fix It Right the First Time Issues

Released 3/9/2009
Warranty Administration - Guidelines for Claiming C0034 - Windshield Replacement

Released 2/17/2009
Seat Belt Buckle Latching Issues and/or Seat Belt Warning Lights Illuminated

Released 2/16/2009
Warranty Administration - Labor Operation Z1241 - Personal Property Damage

Released 2/3/2009
Hem Flange Rust Repair

Released 1/28/2009
Non-Approval of Clipping (Sectioning of Two Vehicles) for Collision Repair

Released 1/8/2009
Preventing Damage on Dealer Lots During Longer Periods in Dealer Inventory and Maintaining High CSI Scores

Released 1/6/2009
Information on Curb Park Assist and Memory Related Issues on Outside Rearview Mirrors

Released 12/12/2008
Information on Passenger Presence Sensing System (PPS or PSS) Concerns with Custom Upholstery, Accessory Seat Heaters or Other Comfort Enhancing Devices

Released 11/26/2008
Hood Hinge Pivot Hole Too Large On Some Replacement Fenders

Released 10/16/2008
08-00-89-037: CSO Surcharges Not Allowed on Warranty Claims - (Oct 16, 2008)

Released 9/29/2008
01-07-30-032E: Transmission Oil Leaking From Transmission Vent (Replace Transmission Case Cover (Channel Plate) Gasket) - (Sep 29, 2008)

Released 9/29/2008
00-00-89-027E: Eliminating Unwanted Odors in Vehicles - (Sep 29, 2008)

Released 9/18/2008
06-08-46-008C: Information on OnStar Dual-Mode (Analog/Digital) Systems - (Sep 18, 2008)

Released 9/15/2008
06-08-111-004A: Information on Discoloration, Blistering, Peeling or Erosion of Various Exterior Emblems Including the Chevy Bowtie - (Sep 15, 2008)

Released 9/10/2008
06-08-61-003D: Underbody Pop or Clunk Type Noise While Turning or Driving on Uneven Road Surfaces (Install Body Mount Insulator) - (Sep 10, 2008)

Released 8/27/2008
02-00-89-014E: New Labor Operation Codes for Dealer-Installed GM Accessories Replaced During Warranty Coverage Period - (Aug 27, 2008)

Released 8/25/2008
03-08-48-006E: Repair Information for Reconnection of Rear Window Defroster Contact or Tab - (Aug 25, 2008)

Released 8/14/2008
08-08-46-004: Information on Aftermarket Device Interference with OnStar Diagnostic Services - (Aug 14, 2008)

Released 6/27/2008
07-00-89-047B: Technical Assistance Center (TAC) Coverage Available for Current and Last Nine Model Year Vehicles (U.S. Only) - (Jun 27, 2008)

Released 6/24/2008
03-00-89-003A: GM Goodwrench Limited Lifetime Service Guarantee - (Jun 24, 2008)

Released 6/23/2008
08-08-64-011: Information on Heated Electrochromatic Outside Rearview Mirror Performance - (Jun 23, 2008)

Released 6/11/2008
08-00-89-022: GM Training: June 2008 New Course Information (For U.S. Dealers and Aftermarket) - (Jun 11, 2008)

Released 6/6/2008
99-04-20-002E: Information on Driveline Clunk Noise When Shifting Between PARK and DRIVE, PARK and REVERSE or DRIVE and REVERSE - (Jun 6, 2008)

Released 6/5/2008
07-08-64-022A: Information on Curb Park Assist and Memory Related Issues on Outside Rear View Mirrors - (Jun 5, 2008)

Released 6/4/2008
08-07-30-027: No Movement When Transmission is Shifted to Drive or Third - Normal Operation When Shifted to Second, First or Reverse (Replace Forward Sprag Assembly) - (Jun 4, 2008)

Released 5/22/2008
07-08-49-020B: IPC Odometer Programming Method Quick Reference Guide - (May 22, 2008)

Released 5/2/2008
03-08-46-004D: Parts Restriction on Ordering OnStar Generation 6 and 7 Vehicle Communication Interface Modules (VCIM) - (May 2, 2008)

Released 5/1/2008
08-03-10-005: Use of Chrome or Chrome-Plated Steel Valve Caps on Aluminum Valve Stems - (May 1, 2008)

Released 4/30/2008
06-00-89-050B: Diagnostic Trouble Codes (DTCs) Required on Repair Orders - (Apr 30, 2008)

Released 4/29/2008
07-08-49-015C: Information On Instrument Panel Cluster (IPC) Odometer and Engine Hour Meter Set Up at Dealership After IPC Replacement - (Apr 29, 2008)

Released 4/29/2008
04-00-89-018C: Processing GM Accessories - Initial Quality Issues - (Apr 29, 2008)

Released 4/24/2008
03-08-44-022E: Parts Restriction on Ordering XM Digital Radio Receiver - (Apr 24, 2008)

Released 4/17/2008
99-00-89-011C: Key Code Information - (Apr 17, 2008)

Released 4/16/2008
05-08-44-024A: Return or Reimbursement of Customer Owned CDs, DVDs, Cassette Tapes and/or CD Magazines - (Apr 16, 2008)

Released 2/19/2008
08-00-89-006: GM Training: February 2008 New Course Information (For U.S. Dealers and Aftermarket) - (Feb 19, 2008)

Released 2/5/2008
04-06-01-029B: Unnecessary Engine Crankcase and Subsystems Flushing Services, Additive Recommendations and Proper Utilization of GM Simplified Maintenance Schedule to Enhance Customer Service Experience - (Feb 5, 2008)

Released 2/5/2008
06-06-04-035A: Use of E85 Fuels in Vehicles Not Certified by GM as being FlexFuel Compatible/Aftermarket Conversion of Vehicles to Operate on E85 Fuels - (Feb 5, 2008)

Released 2/1/2008
00-08-48-005C: Distortion in Outer Surface of Vehicle Glass - (Feb 1, 2008)

Released 1/30/2008
05-08-64-032A: Rear Door Glass Squeal Noise When Rolling Down (Remove Material) - (Jan 30, 2008)

Released 1/30/2008
99-08-52-005C: Remote Keyless Entry Operational Characteristics - (Jan 30, 2008)

Released 1/25/2008
04-08-50-006B: Minor Wrinkles/Creases, Discoloration, Cigarette Burns and Customer Induced Cuts and Stains on Front and Rear Dirver and Passenger Seats with Leather, Vinyl or Cloth Seat Covers - (Jan 25, 2008)

Released 1/18/2008
04-08-44-005C: Utilizing Tech 2 to Retrieve Part Numbers for Radios, Compact Disc (CD) Changers and Instrument Panel Clusters (IPC) - (Jan 18, 2008)

Released 1/17/2008
08-00-89-003: GM Training: January 2008 New Course Information (For U.S. Dealers and Aftermarket) - (Jan 17, 2008)

Released 1/17/2008
04-00-89-053B: Engineering Information (EI) Process - (Jan 17, 2008)

Released 1/9/2008
99-09-40-005E: Seat Belt Extender Availability - (Jan 9, 2008)

Released 1/8/2008
05-08-46-004B: OnStar Phone Number Concerns (Phone Number Incorrect/Assigned to Another Vehicle/Phone) That Occur During Diagnosis of OnStar System - (Jan 8, 2008)

Released 1/8/2008
02-08-44-007C: Negative Impact of Dealer-Installed Cloth/Vinyl Roofs on XM Radio and/or OnStar Systems - (Jan 8, 2008)

Released 1/8/2008
02-08-46-006C: Incorrect OnStar Global Positioning System (GPS) Location Reported During OnStar Call - (Jan 8, 2008)

Released 1/8/2008
06-00-89-016A: Cataloging of Electronic Service Center Parts - (Jan 8, 2008)

Released 11/13/2007
07-00-89-056: GM Training: November 2007 New Course Information (For U.S. Dealers and Aftermarket) - (Nov 13, 2007)

Released 11/2/2007
03-00-89-008D: Corrosion Protection for Metal Panels With Dealer Installed Accessories Fastened By Drilled Holes - (Nov 2, 2007)

Released 9/18/2007
03-08-64-028A: Availability of Replacement Parts for Wide Load Outside Rearview Mirrors - (Sep 18, 2007)

Released 9/7/2007
07-08-42-013: Turn Signal in Camper Style Outside Rearview Mirror (RPO DPN) Does Not Illuminate Turn Signal Flash (Replace Upper Mirror Glass) - (Sep 7, 2007)

Released 9/5/2007
07-08-45-002: Service Alert: Concerns With Aftermarket Fuses in GM Vehicles - (Sep 5, 2007)

Released 8/27/2007
03-08-61-002I: Snap/Popping Type Noise Coming From Front of Vehicle (Remove Bolt-In Front Crossmember and Add Washers) - (Aug 27, 2007)

Released 8/23/2007
07-00-89-043: Warranty Admin. - Use of Parts and Components (Including Control Module Calibrations) Not Issued Through General Motors - (Aug 23, 2007)

Released 8/13/2007
01-08-49-017A: Center Front Floor Console Compartment Lock Cylinder and Key Replacement - (Aug 13, 2007)

Released 7/25/2007
07-00-89-033: GM Training - June 2007 New Course Information (For U.S. Dealers and Aftermarket) - (Jul 25, 2007)

Released 7/24/2007
03-08-48-005C: Compass Zone Adjustment and Calibration Procedure During Pre-Delivery Inspection - (Jul 24, 2007)

Released 7/23/2007
03-03-09-002B: Rear Leaf Spring Slap or Clunk Noise (Replace Spring Inserts) - (Jul 23, 2007)

Released 7/19/2007
06-08-50-009B: Information on Passenger Presence Sensing System (PPS or PSS) Concerns with Custom Upholstery, Accessory Seat Heaters or Other Comfort Enhancing Devices) - (Jul 19, 2007)

Released 7/19/2007
05-08-44-005A: Information on Rear Seat Headphone Foam Ear Pad Replacement if Worn or Damaged - (Jul 19, 2007)

Released 6/27/2007
07-00-89-028: GM Training: May 2007 New Course Information (For U.S. Dealers and Aftermarket) - (Jun 27, 2007)

Released 6/26/2007
07-00-89-024: GM Training: Service Training Standard (STS) Effective Date for Two Required Technology Close-ups (TCUs) was 04/14/07 (U.S. Dealers) - (Jun 26, 2007)

Released 6/26/2007
07-00-89-025: GM Training: April 2007 New Course Information (For U.S. Dealers and Aftermarket) - (Jun 26, 2007)

Released 6/26/2007
07-00-89-011: GM Training: Course Information (For U.S. Dealers and Aftermarket) - (Jun 26, 2007)

Released 6/22/2007
99-08-64-016B: Use of Silicone for Weatherstrip Maintenance - (Jun 22, 2007)

Released 6/18/2007
03-08-64-010C: Outside Rearview Mirrors May Blow in at Highway Speeds or Power Folding Feature Appears Inoperative (Synchronize Mirrors) - (Jun 18, 2007)

Released 6/14/2007
05-00-89-067B: Communication Strategy of Service Information/Strategy Based Diagnostics - (Jun 14, 2007)

Released 5/21/2007
01-07-30-042E: Information on 2-3 Upshift or 3-2 Downshift Clunk Noise - (May 21, 2007)

Released 4/23/2007
05-08-51-008B: Bumps or Rust Colored Spots in Paint Due to Rail or Iron Dust (Remove Rail Dust) - (Apr 23, 2007)

Released 4/17/2007
07-08-63-001: Information on Repair of Polypropylene Energy Absorbers - (Apr 17, 2007)

Released 4/2/2007
07-08-98-001: Info - Non-approval of Clipping (Sectioning of Two Vehicles) for Collision Repair - (Apr 2, 2007)

Released 3/7/2007
07-06-01-003: LBZ LB7 LLY 6.6L Duramax Diesel Engine Accessory Drive Belt Chirp, Squeal or Squeak Type Noise at Cold Start Idle (Replace Accessory Drive Belt) - (Mar 7, 2007)

Released 2/15/2007
07-00-89-003: Info - New Bulletin Category: Technical Training (U.S. Only) - (Feb 15, 2007)

Released 1/17/2007
02-08-98-002B: Info - Hem Flange Rust Repair - (Jan 17, 2007)

Released 1/12/2007
06-03-06-005A: Vehicle Lean - Left Front Sits Low or Right Rear High (Add Spacer Between Left Rear Spring Pack and Axle) - (Jan 12, 2007)

Released 1/10/2007
07-08-64-001: Warranty Admin. - Labor Time Revision for C0182 and C0183 Labor Operations - (Jan 10, 2007)

Released 1/4/2007
01-03-10-012C: Info - Guidelines for Using E2020-Wheel Alignments, E2000-Toe Adjust and E0200, E0201, E0203, E0204-Wheel Balance - (Jan 4, 2007)

Released 11/6/2006
04-08-49-015A: Noise Coming From Instrument Panel Cluster (Replace Instrument Panel Cluster (IPC)) - (Nov 6, 2006)

Released 10/9/2006
02-08-98-001C: Info - Metal Panel Bonding - (Oct 9, 2006)

Released 9/22/2006
03-00-89-006D: Info - New Vehicle Pre-Delivery Inspection (PDI) - Delivering Quality Vehicles and Generating Higher CSi Scores - (Sep 22, 2006)

Released 8/7/2006
06-00-89-038: Information on Radio and Instrument Panel Cluster (IPC) Part Restrictions (U.S. Only) - (Aug 7, 2006)

Released 7/24/2006
05-08-50-012A: Unwanted/Loose Seat Movement (Apply Adhesive and Install New Bolts in Seat Mounting Rails) - (Jul 24, 2006)

Released 7/20/2006
02-04-21-006E: Inoperative 4WD/AWD Lamps, Inoperative 4WD/AWD System, DTC C0550 Set No Communication with TCCM (Reprogram Transfer Case Control Module) - (Jul 20, 2006)

Released 6/26/2006
07-01-38-001: GM Training: HVAC Systems and Operation Stage 2 WBT and IDL (11044.03) (For U.S. Dealers Only) - (Jun 26, 2007)

Released 6/21/2006
06-00-89-036: Owner Manual and Warranty Information in Service Information (SI) Website/Distributed on CD - (Jul 21, 2006)

Released 5/11/2006
05-08-49-018A: ASI Resolution - EI05065 - Tire Monitor Message Displayed (Pull/Reinstall IPC Fuse or Verify Correct Passenger Door Module (PDM) and Tires) - (May 11, 2006)

Released 5/2/2006
06-08-45-004: Info - Instrument Panel (I/P), Body and General Wiring Harness Repair - (May 2, 2006)

Released 4/3/2006
06-08-48-001: SMU - Revised Hinged Body Side Window Replacement - (Apr 3, 2006)

Released 3/29/2006
02-08-48-001B: Info - Urethane Adhesives for Stationary Glass and Other Applications - (Mar 29, 2006)

Released 2/16/2006
05-08-64-029B: Info - Power Window Regulator Now Available Separately From Motor - (Feb 16, 2006)

Released 2/13/2006
05-08-44-029A: Info - Radio Knobs Available for Service - (Feb 13, 2006)

Released 2/7/2006
04-08-46-003B: Info - Unable to Connect to OnStar or OnStar Personal Calling Inoperative - (Feb 7, 2006)

Released 1/20/2006
03-08-50-014A: No Communication with Any Modules, Memory Seat May Not Recall, Multiple U-DTCs Set or Instrument Panel Cluster (IPC) Warning Indicators, Crank No Start (Inspect/Repair Affected Wiring Harness) - (Jan 20, 2006)

Released 1/12/2006
04-07-30-028A: 4T65-E Automatic Transmission Fluid Leak from Reverse Servo Cover (Replace Reverse Servo Cover Seal) - (Jan 12, 2006)

Released 12/14/2005
Power Front Seat (RPO AN3) Switch Knobs Loose or Missing (Replace Switch Knobs)

Released 11/21/2005
05-08-64-038: Rubbing or Scratching Noise When Front Driver or Front Passenger Power Windows are Activated (Install New Anti-Noise Sleeve on Window Regulator Support) - (Nov 21, 2005)

Released 11/21/2005
99-08-51-001A: Info - Paint-less Dent Repair Process - (Nov 21, 2005)

Released 7/21/2005
05-08-66-005: Addition of Pickup Box End Gate Latch Handle Bezel Procedure - (Jul 21, 2005)

Released 6/28/2005
04-08-48-001B: Info - Rear Window Defogger - Broken Heating Grid Detection Method - (Jun 28, 2005)

Released 6/23/2005
VSS20050521: Adm Msg - 2003, 2004, 2005 Silverado, Sierra, Tahoe, Yukon, Yukon XL, Avalanche, Escalade, EXT, ESV, H2 Power Seat Will Not Retain Preset Memory Position - (Jun 23, 2005)

Released 6/7/2005
05-06-04-040: SMU - Revised DTC P0045 - (Jun 7, 2005)

Released 5/19/2005
04-06-03-013A: Info - Parallel Hybrid Truck (PHT) (RPO HP2) - DTC P1A4A, P1A4B, P1AB2, P1AAE, B140C or APO System Fault DIC Message (Software Update) - (May 19, 2005)

Released 4/29/2005
05-08-61-005: SMU - Revised Crossmember/Body Mount Bolt Installation Information - (Apr 29, 2005)

Released 3/24/2005
02-03-07-002A: Info - Revised Front Caster and Camber Adjustment Procedure - (Mar 24, 2005)

Released 3/23/2005
05-06-04-025: SMU - Revised DTC U2104 - (Mar 23, 2005)

Released 3/17/2005
05-06-04-024: SMU - Revised DTC P1172 and DTC P2636 - (Mar 17, 2005)

Released 3/17/2005
05-06-04-023: SMU - Revised DTC P2563 - (Mar 17, 2005)

Released 3/10/2005
05-04-21-002: Info - Guidelines for Replacement of Transfer Case Control Module (TCCM) - (Mar 10, 2005)

Released 3/8/2005
05-04-21-001: Information on Excessive Use of RTV Silicone Sealant on New Venture Gear (NVG) and Borg Warner Transfer Cases During Service - (Mar 8, 2005)

Released 2/8/2005
VSS20050398: Adm Msg - GMT 800 IP Clusters for 2003-2004 Full Size Pickups and Utilities - (Feb 8, 2005)

Released 2/8/2005
01-08-66-014B: Pickup Box Sheet Metal Fracture/Damage with Aftermarket Accessories Installed (Repair Pickup Box Damage and Install Pickup Box Reinforcements) - (Feb 8, 2005)

Released 2/4/2005
01-08-66-005C: Info - Availability of Pickup Box Reinforcement Kits for Toolbox/Rear Window Barrier/Ladder Rack Applications - (Feb 4, 2005)

Released 1/13/2005
05-08-132-001: Info - Accessory Power Outlet (APO) Turns Off Automatically - Parallel Hybrid Truck (PHT) (RPO HP2) - (Jan 13, 2005)

Released 10/11/2004
03-08-98-002A: Info - Squeeze Type Resistance Spot Welding/Equipment - (Oct 11, 2004)

Released 8/2/2004
04-08-98-002: Info - Repair Procedure for Service Sheet Metal, Craters in ELPO Surface - (Aug 2, 2004)

Released 7/23/2004
01-08-51-003A: Info - Application of Anti-Corrosion Materials - (Jul 23, 2004)

Released 6/22/2004
03-00-89-002A: Info - New Owner Orientation Clinic Materials Now Available Online - (Jun 22, 2004)

Released 6/15/2004
03-08-64-037B: Diagnostic Information for Front Power Window Noisy or Inoperative - (Jun 15, 2004)

Released 6/15/2004
04-08-52-005: Remote Keyless Entry (RKE) System Inoperative (Reprogram Passenger Door Module PDM) - (Jun 15, 2004)

Released 6/14/2004
04-08-48-003: Windrush Around Windshield (Install New Windshield Reveal Moldings) - (Jun 14, 2004)

Released 5/26/2004
04-08-98-001: Info - Additional Material and Source for Metal Panel Bonding Adhesives - (May 26, 2004)

Released 4/29/2004
04-06-01-013: Information on Serpentine Belt Wear - (Apr 29, 2004)

Released 3/12/2004
04-08-50-007: Service Information for Front Heated Seat Inoperative/Cold - (Mar 12, 2004)

Released 2/26/2004
04-08-50-003: Info - Enabling Memory Seat Feature Via DIC If Inoperative - (Feb 26, 2004)

Released 2/26/2004
04-08-49-007: Info - Personal Trip/Business Trip Feature - Must be On for Trip Odometer to Accumulate - (Feb 26, 2004)

Released 2/25/2004
Info - Power Window Motor Now Available Separately From The Power Window Regulator Assembly

Released 2/5/2004
02-00-89-005A: Warranty Admin. - Dealer Disclosure Requirements - (Feb 5, 2004)

Released 2/3/2004
04-06-03-001: Info - Incorrect Amp Code on Generator - (Feb 3, 2004)

Released 1/6/2004
04-01-37-001: Info - HVAC Control Knob Replacement - (Jan 6, 2004)

Released 9/19/2003
03-00-89-027: Warranty Admin. - Sublet Administrative Allowance (Coverage: S) Labor Operations - (Sep 19, 2003)

Released 9/16/2003
03-08-52-005: Diagnostic Information for Replacement Remote Keyless Entry (RKE) Transmitter Inoperative - Unable to Synchronize - (Sep 16, 2003)

Released 8/26/2003
03-08-64-029: Info - Removing Front Door Trim Panel to Avoid Breakage - (Aug 26, 2003)

Released 7/22/2003
03-07-30-032: Info - Buzz Noise or Vibration Felt in Floor or Throttle Pedal at Approximately 16 km/h (10 mph) or During 1-2 Upshift - (Jul 22, 2003)

Released 6/27/2003
03-08-64-022: Information on Removing Front Door Trim Panel During Switch Removal to Avoid Breakage - (Jun 27, 2003)

Released 4/24/2003
03-00-89-010: Info - Bulletins Released Week of April 14, 2003 and Car and Truck Fix It Right the First Time Issues - (Apr 24, 2003)

Released 1/17/1997
Car and Truck Fix it Right the First Time Issues

Released 6/1/2015
Pre-Formed and Pre-Flared Hydraulic Brake Pipe Kits Now Available for Service

Released 11/29/2013
Pre-Formed and Pre-Flared Hydraulic Brake Pipe Kits Now Available for Service

Released 7/22/2011
Car and Truck Fix it Right the First Time Issues

Released 5/6/2009
Car and Truck Fix It Right the First Time Issues

Released 5/1/2009
Antilock Brake (ABS) Activation at Low Speeds (Clean Wheel Speed Sensor Mounting Surface)

Released 3/26/2009
Disc Brake Warranty Service and Procedures

Released 3/11/2009
ABS Light On, DTCs C0265, C0201, U1041 Set and/or Loss of Communication with Brake Module (Reground EBCM Ground)

Released 3/9/2009
Car and Truck Fix It Right the First Time Issues

Released 1/8/2009
Preventing Damage on Dealer Lots During Longer Periods in Dealer Inventory and Maintaining High CSI Scores

Released 9/10/2008
06-08-61-003D: Underbody Pop or Clunk Type Noise While Turning or Driving on Uneven Road Surfaces (Install Body Mount Insulator) - (Sep 10, 2008)

Released 6/27/2008
07-00-89-047B: Technical Assistance Center (TAC) Coverage Available for Current and Last Nine Model Year Vehicles (U.S. Only) - (Jun 27, 2008)

Released 6/24/2008
03-00-89-003A: GM Goodwrench Limited Lifetime Service Guarantee - (Jun 24, 2008)

Released 5/6/2008
00-05-22-002K: Disc Brake Warranty Service and Procedures - (May 6, 2008)

Released 5/1/2008
99-07-30-030F: Grinding and/or Growling Noise in Park on Incline - (May 1, 2008)

Released 1/9/2008
06-08-46-002B: Availability of GM OnStar Vehicle Diagnostics and GM Goodwrench Remote Diagnostic Services - (Jan 9, 2008)

Released 10/31/2007
06-03-09-004A: Squeak Noise From Rear of Vehicle (Lubricant Rear Leaf Springs) - (Oct 31, 2007)

Released 8/23/2007
07-00-89-043: Warranty Admin. - Use of Parts and Components (Including Control Module Calibrations) Not Issued Through General Motors - (Aug 23, 2007)

Released 7/25/2007
07-00-89-033: GM Training - June 2007 New Course Information (For U.S. Dealers and Aftermarket) - (Jul 25, 2007)

Released 6/26/2007
07-00-89-011: GM Training: Course Information (For U.S. Dealers and Aftermarket) - (Jun 26, 2007)

Released 6/14/2007
04-05-25-002D: ABS Light On, DTCs C0265, C0201, U1041 Set and/or Loss of Communication with Brake Module (Reground EBCM Ground) - (Jun 14, 2007)

Released 9/18/2006
02-07-30-004C: Information on Grade Brake Feature of Allison 1000 Series Transmission - (Sep 18, 2006)

Released 5/16/2006
03-05-25-007C: Antilock Brake (ABS) Activation at Low Speeds (Clean Wheel Speed Sensor Mounting Surface) - (May 16, 2006)

Released 1/10/2006
06-02-32-001: Increased Steering and Brake Effort on Hybrid Truck (PHT) (RPO HP2),DTC C0895 Set (Replace Electro-Hydraulic Power Steering (EHPS) Fuse) - (Jan 10, 2006)

Released 10/17/2005
04-00-89-020B: Info - Pre-Delivery and Service Guide - Parallel Hybrid Truck (PHT) (RPO HP2) - (Oct 17, 2005)

Released 6/8/2005
05-05-22-001: Info - On-Car Brake Lathe Specifications and Maintenance Requirements - (Jun 8, 2005)

Released 4/8/2005
01-05-26-001A: Info - Low Effort Parking Brake Apply System - (Apr 8, 2005)

Released 4/5/2005
02-05-22-004C: Trailer Brakes Applied When Headlights/Park Lamps Are On, Brake Controller Illumination (Modify Brake Controller Wiring Harness) - (Apr 5, 2005)

Released 3/21/2005
03-05-24-001A: Service Information Regarding Rear Brake Drum Wheel Cylinder Inspections - (Mar 21, 2005)

Released 1/19/2005
02-05-26-001C: Info - Rear Parking Brake Shoe Retaining Spring Clip Service Kit for Drum-in-Hat (DIH) Equipped Vehicles - (Jan 19, 2005)

Released 10/19/2004
04-05-23-001A: Low Brake Pedal, Red Brake Light On, Brake System Warning Message On (Tighten Rear Brake Caliper Banjo Bolts, Replace Gaskets and Install Shields) - (Oct 19, 2004)

Released 9/28/2004
04-05-25-005A: Advance SI Resolution - Antilock Brake System (ABS) Light On, Service Brake System Message on Driver Information Center (DIC) (Reprogram Electronic Brake Control Module (EBCM) - (Sep 28, 2004)

Released 6/22/2004
04-05-23-005: Info - Availability of Rear Wheel Mud Flaps to Reduce Debris Build-up on Rear Brake Calipers and/or Rear Wheels - (Jun 22, 2004)

Released 2/5/2004
02-00-89-005A: Warranty Admin. - Dealer Disclosure Requirements - (Feb 5, 2004)

Released 7/22/2003
03-07-30-032: Info - Buzz Noise or Vibration Felt in Floor or Throttle Pedal at Approximately 16 km/h (10 mph) or During 1-2 Upshift - (Jul 22, 2003)

Released 5/27/2003
00-05-23-005B: Right Rear Inner Brake Pad Wear (Install Rear Wheel Mud Flaps) - (May 27, 2003)

Released 4/24/2003
03-00-89-010: Info - Bulletins Released Week of April 14, 2003 and Car and Truck Fix It Right the First Time Issues - (Apr 24, 2003)

Released 1/17/1997
Car and Truck Fix it Right the First Time Issues

Released 4/18/2011
New Tool Availability - EN-48974 - EGR Cooler Pressure Tester Adapter Set to Diagnose Duramax Diesel Engine EGR Cooler Engine Coolant Leaks into Combustion Chamber

Released 3/2/2011
Automatic Transmission Oil Cooler Flush and Flow Test Essential Tool J-45096 TransFlow

Released 5/5/2009
Engine Oil Leaks from Charge Air Cooler and Turbocharger Air Inlet Adapter (Replace Clamp and/or Turbo Inlet Duct/Pipe)

Released 7/16/2008
05-06-02-001A: Information on Aluminum Heater Core and/or Radiator Replacement - (Jul 16, 2008)

Released 6/27/2008
07-00-89-047B: Technical Assistance Center (TAC) Coverage Available for Current and Last Nine Model Year Vehicles (U.S. Only) - (Jun 27, 2008)

Released 6/24/2008
03-00-89-003A: GM Goodwrench Limited Lifetime Service Guarantee - (Jun 24, 2008)

Released 3/31/2008
02-06-01-023F: Oil Leak at Oil Cooler to Engine Block Mating Surface (Replace O-rings, Apply Sealant) - (Mar 31, 2008)

Released 2/22/2008
02-07-30-052E: Automatic Transmission Oil Cooler Flush and Flow Test Essential Tool J 45096 TransFlow - (Feb 22, 2008)

Released 1/31/2008
08-07-30-004: 4L60-E, 4L65-E, 4L70-E HYDRAMATIC Automatic Transmission RPOs M30, M70, M32, M33, MK2, MD6 Oil Cooler Fitting Change - (Jan 31, 2008)

Released 1/18/2008
05-06-02-002B: DEX-COOL Coolant - New Leak Detection Dye J 46366 Replaces J 29545-6 - (Jan 18, 2008)

Released 1/10/2008
08-06-04-003: New Tool Availability - EN-48974 - EGR Cooler Pressure Tester Adapter Set to Diagnose Duramax Diesel Engine EGR Cooler Leaks into Combustion Chamber - (Jan 10, 2008)

Released 6/12/2007
06-06-01-019B: Information on Gradual Coolant Loss Over Time with No Evidence of Leak Found - (Jun 12, 2007)

Released 8/15/2006
00-06-02-006D: Engine Coolant Recycling and Warranty Information - (Aug 15, 2006)

Released 4/27/2006
06-06-04-027: LBZ, LB7, LLY, Service Engine Soon (SES) Light Illuminated, DTC P0116, P0181 Set with Engine Coolant Heater Usage in Ambient Temps Above -18 Degrees C (0 Degrees F) (Replace Engine Coolant Heater Cord - (Apr 27, 2006)

Released 5/12/2005
05-06-02-006: Instructions for Using GE-47716 Vac-N-Fill Coolant Refill Tool - (May 12, 2005)

Released 11/18/2004
03-06-02-005B: Engine Coolant Loss with No Visible Leaks (Reseal Injector Sleeve) - (Nov 18, 2004)

Released 4/29/2004
04-06-01-013: Information on Serpentine Belt Wear - (Apr 29, 2004)

Released 2/5/2004
02-00-89-005A: Warranty Admin. - Dealer Disclosure Requirements - (Feb 5, 2004)

Released 9/26/2003
03-06-04-045: SMU - Revised DTC P0093 or DTC P1093 - (Sep 26, 2003)

Released 4/24/2003
03-00-89-010: Info - Bulletins Released Week of April 14, 2003 and Car and Truck Fix It Right the First Time Issues - (Apr 24, 2003)

Released 8/30/2016
Parallel Hybrid Truck (PHT) Part Restriction has Ended

Released 2/8/2016
No Crank With DTC P1AAB, P1AAC, P1AAD, and/or P1AAE

Released 1/20/2016
Parallel Hybrid Truck (PHT) Part Restriction

Released 8/26/2014
Parallel Hybrid Truck (PHT) Part Restriction

Released 8/8/2014
Concerns Or Questions Regarding The Installation Of Dealer Installed Accessories

Released 6/19/2014
Radio Reprogramming Using Techline/Service Programming System (SPS) - Ensuring Correct Vehicle Selection

Released 4/7/2014
Parallel Hybrid Truck (PHT) Part Restriction

Released 1/22/2014
Speedometer Needle Accuracy Information

Released 6/19/2013
Global Information for GM dexos 1 and dexos 2 Engine Oil Specifications, Licensed Brands, and Service Fill

Released 6/19/2013
Repair Information for Reconnection of Rear Window Defroster (Defogger) Contact or Tab

Released 6/19/2013
Information on Slight Vehicle Movement in Park at Start Up After Cold Soak

Released 4/24/2013
Duramax Diesel Injector Driver Codes

Released 4/23/2013
Odometer Servicing When The Odometer Cannot Be Set To The Actual Mileage

Released 4/12/2013
Information on Driveline Clunk Noise

Released 3/29/2013
Vehicle Software Enhancements

Released 3/22/2013
Vibration Analysis Worksheet

Released 3/1/2013
Paint-less Dent Repair Process

Released 3/1/2013
DVD Navigation Update Program, Navigation Disc Diagnostic Aid, AVN Software Update Discs and Ordering Information

Released 2/15/2013
Windshield Wiper Performance, Cleaning Instructions and Maintenance

Released 2/15/2013
Information for Electrical Ground Repair - Use New Replacement Fasteners with Conductive Finish

Released 2/11/2013
Prior To Any Circuit Testing

Released 1/1/2013
IPC Odometer Programming Method Quick Reference Guide

Released 3/3/2012
Warranty, SPS, Control Module Diagnostics and Configuration Information, Programming, Set-Up

Released 2/10/2012
Service Programming System (SPS) Errors (E4398, E4399, E4403, E4404 E4413, E4414, E4423 or E4491, E4494)

Released 10/22/2011
Warranty Code Generated By EL-50313 Midtronics GR8 Battery Tester/Charger Required for Claim Processing On Labor Operation 4041510 and Battery Part Restriction (North America ONLY)

Released 7/22/2011
Car and Truck Fix it Right the First Time Issues

Released 6/6/2011
Information for Electrical Ground Repair - Use New Replacement Fasteners with Conductive Finish

Released 5/19/2011
IPC Odometer Programming Method Quick Reference Guide

Released 5/13/2011
Headlamp, Tail Lamp or Fog/Driving Lamp Damage

Released 2/9/2011
Accsssory Drive Belt Chirp, Squeal or Squeak Type Noise at Cold idle (Replace A/C Compressor/Power Steering Pump Mounting Bracket or Enlarge Bracket Bolt Holes)

Released 2/2/2011
Seat Belt Buckle Latching Issues and/or Seat Belt Warning Lights Illuminated

Released 1/5/2011
Exterior Lamp Condensation and Replacement Guidelines

Released 12/23/2010
OnStar Phone Number Concerns (Phone Number Incorrect/Assigned to Another Vehicle/Phone) That Occur During Diagnosis of OnStar System

Released 12/6/2010
IPC Odometer Programming Method Quick Reference Guide

Released 3/4/2010
Car and Truck Fix It Right the First Time Issues

Released 11/4/2009
Car and Truck Fix It Right the First Time Issues

Released 5/6/2009
Car and Truck Fix It Right the First Time Issues

Released 5/4/2009
Exterior Lamp Condensation and Replacement Guidelines

Released 4/23/2009
IPC Odometer Programming Method Quick Reference

Released 4/9/2009
Servicing Vehicles Upgraded to OnStar Generation 6 Digital-Capable System - Follow Information Below

Released 3/9/2009
Car and Truck Fix It Right the First Time Issues

Released 3/9/2009
Navigation Radio Diagnostic Tips

Released 2/17/2009
Seat Belt Buckle Latching Issues and/or Seat Belt Warning Lights Illuminated

Released 2/11/2009
Key Code Security Rules and Information on GM KeyCode Look-Up Application

Released 2/6/2009
GM Training - February 2009 New Course Information (For U.S. Dealers and Aftermarket)

Released 1/8/2009
Preventing Damage on Dealer Lots During Longer Periods in Dealer Inventory and Maintaining High CSI Scores

Released 1/6/2009
Information on Curb Park Assist and Memory Related Issues on Outside Rearview Mirrors

Released 12/17/2008
Replacement of Headlamp Assemblies Under Warranty and Use of GM vs. Non-GM Headlamp Assemblies

Released 12/12/2008
Information on Passenger Presence Sensing System (PPS or PSS) Concerns with Custom Upholstery, Accessory Seat Heaters or Other Comfort Enhancing Devices

Released 11/26/2008
GM Training - December 2008 New Course Information (For U.S. Dealers and Aftermarket)

Released 10/28/2008
Information on Upgrading Certain OnStar Analog/Digital-Ready Systems to OnStar Generation 6 Digital-Capable System

Released 9/22/2008
05-08-46-006P: Information on Upgrading Certain OnStar Analog/Digital-Ready Systems to OnStar Generation 6 Digital-Capable System - (Sep 22, 2008)

Released 9/10/2008
06-08-61-003D: Underbody Pop or Clunk Type Noise While Turning or Driving on Uneven Road Surfaces (Install Body Mount Insulator) - (Sep 10, 2008)

Released 9/5/2008
02-08-42-001C: Headlamp Lens Overheating When Covered and Chemical Damage to Exterior Polycarbonate Headlamp Lenses - (Sep 5, 2008)

Released 8/28/2008
08-08-44-028: Information on Inadvertent Steering Wheel Control (SWC) Button Press Causing Radio Anomalies) - (Aug 28, 2008)

Released 8/25/2008
03-08-48-006E: Repair Information for Reconnection of Rear Window Defroster Contact or Tab - (Aug 25, 2008)

Released 8/21/2008
06-08-47-001E: Warranty, SPS, Control Module Diagnostics and Configuration Information, Programming, Set-Up - (Aug 21, 2008)

Released 7/30/2008
03-06-04-060B: Information on New Spark Plugs and Gapping - (Jul 30, 2008)

Released 7/21/2008
02-06-03-008D: Low Voltage Display on IP Gauge, Lights Dim at Stop Lights, Battery Discharged, No Start, Slow Cranking, Dim Lights at Ilde, Low Generator Output - (Jul 21, 2008)

Released 6/27/2008
07-00-89-047B: Technical Assistance Center (TAC) Coverage Available for Current and Last Nine Model Year Vehicles (U.S. Only) - (Jun 27, 2008)

Released 6/24/2008
03-00-89-003A: GM Goodwrench Limited Lifetime Service Guarantee - (Jun 24, 2008)

Released 6/18/2008
08-08-44-023: Information on Navigation Radio Not Displaying Accurate Vehicle Location After Radio Replacement, Power Loss or Battery Replacement - (Jun 18, 2008)

Released 6/11/2008
08-00-89-022: GM Training: June 2008 New Course Information (For U.S. Dealers and Aftermarket) - (Jun 11, 2008)

Released 6/5/2008
07-08-64-022A: Information on Curb Park Assist and Memory Related Issues on Outside Rear View Mirrors - (Jun 5, 2008)

Released 6/2/2008
05-09-41-001B: Supplemental Inflatable Restraint (SIR) Light ON, Diagnostic Trouble Codes (Inspect/Replace IP Harness to Inflatable Restraint Module (Air Bag) Yellow 4-Way Connector C221 and/or C222) - (Jun 2, 2008)

Released 5/29/2008
08-06-03-005: GM Dealer Visits: Proper Management of Batteries in Dealer Parts Stock/Vehicle Inventory - (May 29, 2008)

Released 5/22/2008
07-08-49-020B: IPC Odometer Programming Method Quick Reference Guide - (May 22, 2008)

Released 5/8/2008
04-06-04-036E: Warranty Coverage for Emission-Related Reprogramming Events (PCM, ECM and TCM) - (May 8, 2008)

Released 5/2/2008
05-08-46-001D: OnStar Generation 5 or 6 (DIgital) System Inoperative/Has No Power, LED Light Not On (Remove/Reinstall OnStar Fuse and Replace VCIM or Follow SI Diagnostics) - (May 2, 2008)

Released 5/2/2008
01-08-42-001F: Exterior Lamp Condensation and Replacement Guidelines - (May 2, 2008)

Released 4/30/2008
03-06-03-003B: ACDelco Replacement Battery Warranty Procedures - (Apr 30, 2008)

Released 4/29/2008
07-08-49-015C: Information On Instrument Panel Cluster (IPC) Odometer and Engine Hour Meter Set Up at Dealership After IPC Replacement - (Apr 29, 2008)

Released 4/17/2008
05-00-89-045A: Electronic Exchange Program Goodwill Procedures - (Apr 17, 2008)

Released 4/17/2008
99-00-89-011C: Key Code Information - (Apr 17, 2008)

Released 4/17/2008
05-06-03-002C: Battery and Charging System Electrical Diagnostics - (Apr 17, 2008)

Released 4/15/2008
05-04-21-003C: Service 4WD Light Illuminated, DTC C0374 Set (Inspect Wiring Harness to Transfer Case Speed Sensors, Replace Wiring Harness) - (Apr 15, 2008)

Released 3/27/2008
08-06-01-008: Diagnosing Accessory Drive Belt/Serpentine Belt Noise and Availability and Use of Kent-Moore EN-49228 Laser Alignment Tool - Drive Belt - (Mar 27, 2008)

Released 3/26/2008
00-02-35-003N: Clunking Noise Under Hood and Can Be Felt in Steering Wheel and/or Steering Column (Replace Upper Intermediate Steering Shaft (I-Shaft) Assembly) - (Mar 26, 2008)

Released 2/25/2008
08-09-41-003: General Motors Position Statement on Installation of Used, Salvaged or Imitation Air Bag System Components - (Feb 25, 2008)

Released 2/19/2008
08-00-89-006: GM Training: February 2008 New Course Information (For U.S. Dealers and Aftermarket) - (Feb 19, 2008)

Released 2/1/2008
06-08-44-015A: Information on Eliminating Noise in Audio System When Using Portable Playback Device - (Feb 1, 2008)

Released 1/30/2008
99-08-52-005C: Remote Keyless Entry Operational Characteristics - (Jan 30, 2008)

Released 1/17/2008
08-00-89-003: GM Training: January 2008 New Course Information (For U.S. Dealers and Aftermarket) - (Jan 17, 2008)

Released 1/17/2008
02-08-46-007D: Information on OnStar System - Possible Loss of GPS Signal, Hands-Free Calling Minutes Expire Prematurely and/or Inability to Add Hands-Free Calling Minutes - (Jan 17, 2008)

Released 1/16/2008
08-07-30-001: 4L80E, MT1 and 4L85E, MN8 Simplified Valve Body Reconditioning Instructions, DTC P0741, P0742, P0751, P0752, P0756, P0757, P0894, Harsh or Delayed Shifts, Slips, No Drive, No Reverse - (Jan 16, 2008)

Released 1/9/2008
99-09-40-005E: Seat Belt Extender Availability - (Jan 9, 2008)

Released 1/8/2008
06-00-89-016A: Cataloging of Electronic Service Center Parts - (Jan 8, 2008)

Released 11/13/2007
07-00-89-056: GM Training: November 2007 New Course Information (For U.S. Dealers and Aftermarket) - (Nov 13, 2007)

Released 11/5/2007
02-01-39-007B: Automatic Dual Zone HVAC Battery Draw - (Nov 5, 2007)

Released 9/7/2007
07-08-42-013: Turn Signal in Camper Style Outside Rearview Mirror (RPO DPN) Does Not Illuminate Turn Signal Flash (Replace Upper Mirror Glass) - (Sep 7, 2007)

Released 9/5/2007
07-08-45-002: Service Alert: Concerns With Aftermarket Fuses in GM Vehicles - (Sep 5, 2007)

Released 8/23/2007
07-00-89-043: Warranty Admin. - Use of Parts and Components (Including Control Module Calibrations) Not Issued Through General Motors - (Aug 23, 2007)

Released 8/2/2007
03-06-03-001D: Starter Cranks After Key Is Released (Normal Condition) - (Aug 2, 2007)

Released 7/25/2007
07-00-89-033: GM Training - June 2007 New Course Information (For U.S. Dealers and Aftermarket) - (Jul 25, 2007)

Released 7/19/2007
06-08-50-009B: Information on Passenger Presence Sensing System (PPS or PSS) Concerns with Custom Upholstery, Accessory Seat Heaters or Other Comfort Enhancing Devices) - (Jul 19, 2007)

Released 6/27/2007
07-01-38-004: Information on GM ACR2000 (J-43600) and New Refrigerant Recovery Recharging Equipment SAE J2788 - (Jun 27, 2007)

Released 6/27/2007
07-00-89-028: GM Training: May 2007 New Course Information (For U.S. Dealers and Aftermarket) - (Jun 27, 2007)

Released 6/26/2007
07-00-89-025: GM Training: April 2007 New Course Information (For U.S. Dealers and Aftermarket) - (Jun 26, 2007)

Released 6/14/2007
05-00-89-067B: Communication Strategy of Service Information/Strategy Based Diagnostics - (Jun 14, 2007)

Released 6/8/2007
06-08-43-003A: Windshield Wiper Performance, Cleaning Instructions and Maintenance - (Jun 8, 2007)

Released 4/17/2007
07-08-44-007: Information on Obtaining Replacement Navigation Discs When Radios are Exchanged - Order Replacement Navigation Disc Through Navigation Disc Center - (Apr 17, 2007)

Released 3/30/2007
02-08-42-004A: Info - PRNDL Display Reduced Visibility for Approximately One Minute - (Mar 30, 2007)

Released 3/7/2007
07-06-01-003: LBZ LB7 LLY 6.6L Duramax Diesel Engine Accessory Drive Belt Chirp, Squeal or Squeak Type Noise at Cold Start Idle (Replace Accessory Drive Belt) - (Mar 7, 2007)

Released 2/6/2007
05-02-118-001A: Quadrasteer Intermittent Service 4-Wheel Steer Message (Cycle Ignition) - (Feb 6, 2007)

Released 1/24/2007
06-00-89-051A: KeyCode Security Rules and Information on GM KeyCode Look-Up Application - (Jan 24, 2007)

Released 1/23/2007
06-08-42-002A: Sunshade (Visor) Vanity Mirror Bulb Inoperative (Replace Vanity Mirror Bulb Only) - (Jan 23, 2007)

Released 1/10/2007
07-08-64-001: Warranty Admin. - Labor Time Revision for C0182 and C0183 Labor Operations - (Jan 10, 2007)

Released 11/28/2006
04-06-04-001C: LB7/LBZ/LLY/LMM - Intermittent Driveability Conditions-No Crank, Crank No Start, Hard to Start, MIL/SES, HEsitation, Lack of Power, Surge, Misfire, Fuel Knock, IPC Indicates No Oil Pressure, DTCs Set - (Nov 28, 2006)

Released 9/12/2006
01-07-30-038D: Diagnostic Trouble Code (DTC) P0757 Set, Malfunction Indicator Lamp (MIL) Illuminated, Poor Performance of Transmission/Slipping (Clean Transmission Valve Body and Case Oil Passages of Debris) - (Sep 12, 2006)

Released 9/12/2006
06-06-04-046: Information on Engine Misfire MIL/SES Light Illuminated or Flashing DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307, P0308, P0420 or P0430 - (Sep 12, 2006)

Released 8/4/2006
06-06-04-037: Info - Normal Characteristics of Malfunction Indicator Lamp (MIL) During On-Board Diagnostic (OBD) Inspection/Maintenance (I/M) Testing - (Aug 4, 2006)

Released 7/20/2006
02-04-21-006E: Inoperative 4WD/AWD Lamps, Inoperative 4WD/AWD System, DTC C0550 Set No Communication with TCCM (Reprogram Transfer Case Control Module) - (Jul 20, 2006)

Released 5/2/2006
06-08-45-004: Info - Instrument Panel (I/P), Body and General Wiring Harness Repair - (May 2, 2006)

Released 4/3/2006
06-08-48-001: SMU - Revised Hinged Body Side Window Replacement - (Apr 3, 2006)

Released 3/7/2006
02-06-04-015A: Intermittent No Crank, No Start (Clean Battery Side Terminal Stripped Threads, Replace Battery Cable Bolt) - (Mar 7, 2006)

Released 3/1/2006
02-08-46-010G: Info - Programming OnStar Module for Canadian French Voice Recognition (OnStar Generation 5 or Generation 6) -(Mar 1, 2006)

Released 2/17/2006
06-08-45-001: Information on Changes to the SI Table of Contents, Electrical Connectors, Terminal Testing/Repair and the Importance of J-38125 Terminal Repair Kit Maintenance - (Feb 17, 2006)

Released 2/14/2006
02-06-05-004B: Info - Misfire DTCs P0300, P1380, P1381 and Catalytic Converter Damage Due to Installation of Alarm Systems - (Feb 14, 2006)

Released 1/20/2006
03-08-50-014A: No Communication with Any Modules, Memory Seat May Not Recall, Multiple U-DTCs Set or Instrument Panel Cluster (IPC) Warning Indicators, Crank No Start (Inspect/Repair Affected Wiring Harness) - (Jan 20, 2006)

Released 1/10/2006
06-02-32-001: Increased Steering and Brake Effort on Hybrid Truck (PHT) (RPO HP2),DTC C0895 Set (Replace Electro-Hydraulic Power Steering (EHPS) Fuse) - (Jan 10, 2006)

Released 1/9/2006
03-08-44-018C: Rear Seat Audio (RSA) and/or Rear HVAC Inoperative (Replace RSA Module) - (Jan 9, 2006)

Released 11/9/2005
04-08-44-020C: CD Player Long Load-to-Play Time, Error Message, CD Does Not Return to Previous Track, CD Does Not Play, CD Does Not Eject, CD Stuck in Player, Radio Will Not Accept CD (Reprogram Radio) - (Nov 9, 2005)

Released 10/17/2005
04-00-89-020B: Info - Pre-Delivery and Service Guide - Parallel Hybrid Truck (PHT) (RPO HP2) - (Oct 17, 2005)

Released 9/23/2005
01-07-30-002E: MIL On, Transmission Stuck in Second or Third Gear, IPC Inoperative, DTCs P0740, P0753, P0758, P0785, P0787, P0973, P0976, P1860, P2761, P2764 and/or P2769 Set (Verify and Repair Source of Voltage Loss - (Sep 23, 2005)

Released 6/28/2005
04-08-48-001B: Info - Rear Window Defogger - Broken Heating Grid Detection Method - (Jun 28, 2005)

Released 6/10/2005
05-08-42-008: Information on Damaged Fog Lamp Housings Caused by Incorrect Replacement Bulb - (Jun 10, 2005)

Released 5/19/2005
04-06-03-013A: Info - Parallel Hybrid Truck (PHT) (RPO HP2) - DTC P1A4A, P1A4B, P1AB2, P1AAE, B140C or APO System Fault DIC Message (Software Update) - (May 19, 2005)

Released 4/29/2005
05-08-61-005: SMU - Revised Crossmember/Body Mount Bolt Installation Information - (Apr 29, 2005)

Released 4/12/2005
00-08-46-002A: Info - OnStar System Cellular Antenna Replacement Parts Availability - (Apr 12, 2005)

Released 3/24/2005
05-08-110-003: Information on Cleaning Discolored Passenger Side Air Bag Cover - (Mar 24, 2005)

Released 3/22/2005
05-06-03-001: SMU - Revised Engine Electrical and Automatic Transmission - 4L60E/4L65E Subsections - New Caution Statements for Hybrid Truck (PHT) (RPO HP2) - (Mar 22, 2005)

Released 2/9/2005
03-09-41-003A: Info - Proper Air Bag System Diagnosis and Service - (Feb 9, 2005)

Released 1/24/2005
05-08-44-001: Info - Compact Disc (CD) or DVD Player Skipping, Inoperative, Sluggish and/or Long Search Times - (Jan 24, 2005)

Released 1/13/2005
05-08-132-001: Info - Accessory Power Outlet (APO) Turns Off Automatically - Parallel Hybrid Truck (PHT) (RPO HP2) - (Jan 13, 2005)

Released 12/13/2004
04-06-03-016: Info - Battery Specification Label - (Dec 13, 2004)

Released 10/20/2004
04-08-46-002: Info - Radio Telephone/Mobile Radio (Transceiver) Installation and Troubleshooting Guidelines - (Oct 20, 2004)

Released 10/8/2004
04-01-38-013: HVAC Not Cold Enough, A/C Compressor Does Not Engage (Repair Engine Compartment Wiring Harness Near Idler Arm) - (Oct 8, 2004)

Released 9/22/2004
04-08-68-002: Info - Cruise Control Operation - Increasing Set Speed - (Sep 22, 2004)

Released 7/23/2004
01-08-51-003A: Info - Application of Anti-Corrosion Materials - (Jul 23, 2004)

Released 7/2/2004
02-06-03-010A: Info - Battery Parasitic Drain - (Jul 2, 2004)

Released 6/22/2004
04-06-04-045: Info - Oil Life Monitoring System - PCM Reset - (Jun 22, 2004)

Released 6/17/2004
04-06-04-043: Unable to Reset Engine Oil Life Monitor (Reprogram PCM) - (Jun 17, 2004)

Released 6/15/2004
03-08-64-037B: Diagnostic Information for Front Power Window Noisy or Inoperative - (Jun 15, 2004)

Released 6/15/2004
04-08-52-005: Remote Keyless Entry (RKE) System Inoperative (Reprogram Passenger Door Module PDM) - (Jun 15, 2004)

Released 6/14/2004
04-08-48-003: Windrush Around Windshield (Install New Windshield Reveal Moldings) - (Jun 14, 2004)

Released 4/29/2004
04-06-01-013: Information on Serpentine Belt Wear - (Apr 29, 2004)

Released 3/24/2004
02-09-41-002A: Air Bag Lamp On, Passenger Air Bag Indicator Always Reads OFF, DTC B0092 Set (Repair Passenger Presence System (PPS) Sensor Harness) - (Mar 24, 2004)

Released 2/26/2004
04-08-49-007: Info - Personal Trip/Business Trip Feature - Must be On for Trip Odometer to Accumulate - (Feb 26, 2004)

Released 2/25/2004
Info - Power Window Motor Now Available Separately From The Power Window Regulator Assembly

Released 2/5/2004
04-06-03-002: Diagnostic Information for Intermittent Vehicle No Crank/Dead Battery - (Feb 5, 2004)

Released 2/5/2004
02-00-89-005A: Warranty Admin. - Dealer Disclosure Requirements - (Feb 5, 2004)

Released 2/3/2004
04-06-03-001: Info - Incorrect Amp Code on Generator - (Feb 3, 2004)

Released 9/26/2003
03-06-04-046: Revised Engine Cranks But Does Not Run Diagnostic - (Sep 26, 2003)

Released 9/16/2003
03-08-52-005: Diagnostic Information for Replacement Remote Keyless Entry (RKE) Transmitter Inoperative - Unable to Synchronize - (Sep 16, 2003)

Released 8/21/2003
03-06-03-007: Info - Availability of Starter Motor Solenoid if Damaged During Service - (Aug 21, 2003)

Released 7/14/2003
01-08-97-001B: Info - HomeLink Transceiver/Garage Door Opener Transmitter Test Kit Available As Essential Tool - (Jul 14, 2003)

Released 4/24/2003
03-00-89-010: Info - Bulletins Released Week of April 14, 2003 and Car and Truck Fix It Right the First Time Issues - (Apr 24, 2003)

Released 1/17/1997
Car and Truck Fix it Right the First Time Issues

Released 4/24/2013
Duramax Diesel Injector Driver Codes

Released 3/3/2012
Warranty, SPS, Control Module Diagnostics and Configuration Information, Programming, Set-Up

Released 2/10/2012
Service Programming System (SPS) Errors (E4398, E4399, E4403, E4404 E4413, E4414, E4423 or E4491, E4494)

Released 7/22/2011
Car and Truck Fix it Right the First Time Issues

Released 9/16/2010
Check Engine Light On, Fuel Tank Hard to Fill, DTCs P0442, P0446, P0455 or P0449 Set (Replace EVAP Solenoid)

Released 1/8/2010
DTC P0446 (Restricted/Blocked EVAP Vent Path) Set, Check Engine Light On (Replace Evaporative Emission (EVAP) Vent Valve Solenoid Assembly and Add/Relocate Filter Box Using Service Kit)

Released 10/19/2009
DTC P0446 (Restricted/Blocked EVAP Vent Path) Set, Check Engine Light On (Replace Evaporative Emission (EVAP) Vent Valve Solenoid Assembly and Add/Relocate Filter Box Using Service Kit)

Released 6/19/2009
Procedure to Take Snapshot Data with Tech 2 and Upload Data to Computer Using TIS Software

Released 5/6/2009
Car and Truck Fix It Right the First Time Issues

Released 4/9/2009
DTC P0446 (Restricted/Blocked EVAP Vent Path) Set, Check Engine Light (Replace Evaporative Emission (EVAP) Vent Valve Solenoid Assembly and Add/Relocate Filter Box Using Service Kit)

Released 3/9/2009
Car and Truck Fix It Right the First Time Issues

Released 1/9/2009
Warranty, SPS, Control Module Diagnostics and Configuration Information, Programming, Set-Up

Released 10/30/2008
Procedure to Take Snapshot Data with a Tech 2 and Upload Data to Computer Using TIS Software

Released 8/21/2008
06-08-47-001E: Warranty, SPS, Control Module Diagnostics and Configuration Information, Programming, Set-Up - (Aug 21, 2008)

Released 8/6/2008
05-06-04-022E: TOP TIER Detergent Gasoline (Deposits, Fuel Economy, No Start, Power, Performance, Stall Concerns) - Canada ONLY - (Aug 6, 2008)

Released 6/27/2008
07-00-89-047B: Technical Assistance Center (TAC) Coverage Available for Current and Last Nine Model Year Vehicles (U.S. Only) - (Jun 27, 2008)

Released 6/24/2008
03-00-89-003A: GM Goodwrench Limited Lifetime Service Guarantee - (Jun 24, 2008)

Released 6/17/2008
05-00-89-072B: Fuel and Oil Additives - Facts and Myths/Maximizing Fuel Economy - (Jun 17, 2008)

Released 5/8/2008
04-06-04-036E: Warranty Coverage for Emission-Related Reprogramming Events (PCM, ECM and TCM) - (May 8, 2008)

Released 4/30/2008
06-00-89-050B: Diagnostic Trouble Codes (DTCs) Required on Repair Orders - (Apr 30, 2008)

Released 4/23/2008
05-06-04-047C: Service Engine Soon (SES) Light On with Reduction in Engine Power, DTCs P0202 and P2149 or P0207 and P2146 or P1294 Set (Install Revised 90 Degree Injector Connector w/Harness Support Bracket Kit) - (Apr 23, 2008)

Released 4/16/2008
02-06-04-037D: DTC P0446 (Restricted/Blocked Evap Vent Path) Set, Check Engine Light On (Replace Evaporative Emission (EVAP) Vent Valve Solenoid Assembly and Add/Relocate Filter Box Using Service Kit) - (Apr 16, 2008)

Released 2/19/2008
08-00-89-006: GM Training: February 2008 New Course Information (For U.S. Dealers and Aftermarket) - (Feb 19, 2008)

Released 1/17/2008
04-00-89-053B: Engineering Information (EI) Process - (Jan 17, 2008)

Released 1/10/2008
08-06-04-003: New Tool Availability - EN-48974 - EGR Cooler Pressure Tester Adapter Set to Diagnose Duramax Diesel Engine EGR Cooler Leaks into Combustion Chamber - (Jan 10, 2008)

Released 8/23/2007
07-00-89-043: Warranty Admin. - Use of Parts and Components (Including Control Module Calibrations) Not Issued Through General Motors - (Aug 23, 2007)

Released 6/26/2007
07-00-89-024: GM Training: Service Training Standard (STS) Effective Date for Two Required Technology Close-ups (TCUs) was 04/14/07 (U.S. Dealers) - (Jun 26, 2007)

Released 6/26/2007
07-00-89-025: GM Training: April 2007 New Course Information (For U.S. Dealers and Aftermarket) - (Jun 26, 2007)

Released 6/26/2007
07-00-89-011: GM Training: Course Information (For U.S. Dealers and Aftermarket) - (Jun 26, 2007)

Released 6/14/2007
05-00-89-067B: Communication Strategy of Service Information/Strategy Based Diagnostics - (Jun 14, 2007)

Released 5/3/2007
07-07-30-010: Procedure to Take Snapshot Data with a Tech 2 and Upload Data to Computer Using TIS Software - (May 3, 2007)

Released 12/8/2006
06-06-04-026A: LLY Intermittent SES/MIL Lamp Illuminated, Reduced Engine Power, Fuel Injector Driver Circuit DTCs P0201, P0202, P0203, P0204, P0205, P0206, P0207, P0208, Cylinder Bank Shut Down DTCs P2146 or P2149 - (Dec 8, 2006)

Released 10/24/2006
06-06-04-057: Warranty Admin. - Revised Mass Air Flow Core Return Requirements - (Oct 24, 2006)

Released 10/10/2006
00-06-04-033B: Info - I/M Readiness as Part of Emission Inspection and Maintenance Program for OBD II Vehicles - (Oct 10, 2006)

Released 8/4/2006
06-06-04-037: Info - Normal Characteristics of Malfunction Indicator Lamp (MIL) During On-Board Diagnostic (OBD) Inspection/Maintenance (I/M) Testing - (Aug 4, 2006)

Released 4/12/2006
06-06-04-022: SMU - Revised DTC P1404 - (Apr 12, 2006)

Released 2/14/2006
02-06-05-004B: Info - Misfire DTCs P0300, P1380, P1381 and Catalytic Converter Damage Due to Installation of Alarm Systems - (Feb 14, 2006)

Released 12/22/2005
05-06-04-077: LU3 May Lack Power at High Ambient Temperatures Only (If Necessary, Reprogram PCM with New Service Calibration) - (Dec 22, 2005)

Released 10/28/2005
05-08-49-026: Low Oil Pressure Message Display and Chimes Activated While Driving Following Hybrid (PHT) (HP2) LM7 Engine Auto-Start (Reprogram the PCM) - (Oct 28, 2005)

Released 10/17/2005
04-00-89-020B: Info - Pre-Delivery and Service Guide - Parallel Hybrid Truck (PHT) (RPO HP2) - (Oct 17, 2005)

Released 10/12/2005
05-06-04-063: LM7, L59 or L33 Engines (incl. PHT Hybrid, RPO HP2) with Cold Start Rough or Incorrect Idle, DTCs, Misfire Malfunction Indicator Lamp (MIL) Flashing Requiring O2 Sensor Replacement (Reprogram PCM) - (Oct 12, 2005)

Released 6/7/2005
05-06-04-039: SMU - Revised DTC P0090 - (Jun 7, 2005)

Released 5/19/2005
04-06-03-013A: Info - Parallel Hybrid Truck (PHT) (RPO HP2) - DTC P1A4A, P1A4B, P1AB2, P1AAE, B140C or APO System Fault DIC Message (Software Update) - (May 19, 2005)

Released 3/23/2005
05-06-04-025: SMU - Revised DTC U2104 - (Mar 23, 2005)

Released 3/17/2005
05-06-04-024: SMU - Revised DTC P1172 and DTC P2636 - (Mar 17, 2005)

Released 3/17/2005
05-06-04-023: SMU - Revised DTC P2563 - (Mar 17, 2005)

Released 3/11/2005
05-06-04-021: SMU - Revised Inspection/Maintenance (I/M) Evaporative Emission (EVAP) System Set Procedure - (Mar 11, 2005)

Released 2/5/2004
02-00-89-005A: Warranty Admin. - Dealer Disclosure Requirements - (Feb 5, 2004)

Released 9/26/2003
03-06-04-046: Revised Engine Cranks But Does Not Run Diagnostic - (Sep 26, 2003)

Released 4/24/2003
03-00-89-010: Info - Bulletins Released Week of April 14, 2003 and Car and Truck Fix It Right the First Time Issues - (Apr 24, 2003)

Released 1/17/1997
Car and Truck Fix it Right the First Time Issues

Released 2/16/2011
Exhaust Moan/Vibration Noise (Install Exhaust System Flex Pipe Kit)

Released 2/4/2010
Exhaust Moan/Vibration Noise (Install Exhaust System Flex Pipe Kit)

Released 5/6/2009
Car and Truck Fix It Right the First Time Issues

Released 6/27/2008
07-00-89-047B: Technical Assistance Center (TAC) Coverage Available for Current and Last Nine Model Year Vehicles (U.S. Only) - (Jun 27, 2008)

Released 6/24/2008
03-00-89-003A: GM Goodwrench Limited Lifetime Service Guarantee - (Jun 24, 2008)

Released 2/5/2008
02-06-05-003G: Exhaust Moan/Vibration Noise (Install Exhaust System Flex Pipe Kit and Exhaust Dampeners, If Necessary) - (Feb 5, 2008)

Released 2/4/2008
06-06-01-010A: Info on Close-Coupled Converter, Engine Breakdown or Non-Function Due to Severe Overheat/Lack of Oil Causing Pistons, Rods, Crankshaft, Cylinders/Heads, Camshaft, Intake/Exhaust Valves, Bearing Damage - (Feb 4, 2008)

Released 3/5/2007
03-06-05-008D: Exhaust Popping/Snapping Noise When Vehicle is Hot, at Idle or Immediately After Vehicle is Shut Off (Replace Muffler Heat Shield) - (Mar 5, 2007)

Released 12/22/2005
02-00-89-006C: Warranty Admin. - New Add Time for Labor Operation L2300 - Converter, Oxidation Catalytic-Replace - (Dec 22, 2005)

Released 7/27/2005
05-06-05-002: Exhaust Moan/Vibration (Replace Converter Assembly and Exhaust Muffler Assembly) - (Jul 27, 2005)

Released 2/5/2004
02-00-89-005A: Warranty Admin. - Dealer Disclosure Requirements - (Feb 5, 2004)

Released 4/24/2003
03-00-89-010: Info - Bulletins Released Week of April 14, 2003 and Car and Truck Fix It Right the First Time Issues - (Apr 24, 2003)

Released 10/31/2015
Cleaning Diesel Engine Fuel Injectors

Released 10/31/2015
Fuel Gauge Fluctuation in Park or Neutral

Released 10/31/2015
Engine Misfire on Cylinder 7 And P0300 Due To Fuel System Contamination

Released 10/31/2015
Diesel Engine Hard Start When Hot

Released 7/16/2014
Duramax Diesel Glow Plugs Difficult to Install Due to Carbon Buildup - New Glow Plug Bore Reamer Available

Released 5/14/2014
Catalytic Converter Break-In Information To Prevent DTCs P0420 And/Or P0430

Released 4/24/2013
Duramax Diesel Injector Driver Codes

Released 7/22/2011
Car and Truck Fix it Right the First Time Issues

Released 7/15/2011
Key Code Security Rules and Information on GM KeyCode Look-Up Application (Canada Only)

Released 3/4/2010
Car and Truck Fix It Right the First Time Issues

Released 12/17/2009
Service Engine Soon (SES) Light On, DTCs P0087, P0093, P1093, Low Power, No Start, Hard Start, Fuel in Crankcase (Bulletin Canceled)

Released 11/10/2009
Information on Servicing Duramax Diesel Fuel Injectors to Avoid and Remove Contamination

Released 8/17/2009
Malfunction Indicator Lamp (MIL) Illuminated, Fuel Injector Driver Circuit DTCs and Cylinder Bank Shut Down DTCs, Reduced Engine Power (Repair Fuel Injector Control Module (FICM) Harness Chafed Wires)

Released 5/6/2009
Car and Truck Fix It Right the First Time Issues

Released 5/5/2009
Engine Oil Leaks from Charge Air Cooler and Turbocharger Air Inlet Adapter (Replace Clamp and/or Turbo Inlet Duct/Pipe)

Released 3/9/2009
Car and Truck Fix It Right the First Time Issues

Released 3/2/2009
Information on Improved Fuel Filter for 6.6L Duramax Diesel Engine

Released 1/13/2009
Information on Diesel Fuel Additives

Released 11/6/2008
GM Training - November 2008 New Course Information (For U.S. Dealers and Aftermarket)

Released 10/9/2008
03-06-93-001D: Diagnostic Information on Turbocharger Malfunction Due to Lack of Engine Oil for LBZ, LB7, LLY and LMM Duramax Diesel Engine - (Oct 9, 2008)

Released 9/4/2008
05-06-01-034F: 5.3L LC9, LS4, L33, LH6, LM4, 5.7L LS1, LS6, 6.0L LS2, L76 6.2L L92, 7.0L LS7 - Engine Oil Leak at Rear Cover Assembly Area (Engine Block Porosity RTV Repair Procedure) - (Sep 4, 2008)

Released 8/18/2008
04-06-04-007I: Service Engine Soon (SES) Light On, DTCs P0087, P0093, P1093, Low Power, No Start, Hard Start, Fuel in Crankcase (Replace All Injectors - New Strategy for High Fuel Return Rates) - (Aug 18, 2008)

Released 8/6/2008
05-06-04-022E: TOP TIER Detergent Gasoline (Deposits, Fuel Economy, No Start, Power, Performance, Stall Concerns) - Canada ONLY - (Aug 6, 2008)

Released 7/30/2008
03-06-04-060B: Information on New Spark Plugs and Gapping - (Jul 30, 2008)

Released 6/27/2008
07-00-89-047B: Technical Assistance Center (TAC) Coverage Available for Current and Last Nine Model Year Vehicles (U.S. Only) - (Jun 27, 2008)

Released 6/24/2008
03-00-89-003A: GM Goodwrench Limited Lifetime Service Guarantee - (Jun 24, 2008)

Released 6/24/2008
04-06-04-047H: TOP TIER Detergent Gasoline (Deposits, Fuel Economy, No Start, Power, Performance, Stall Concerns) - U.S. Only - (Jun 24, 2008)

Released 6/17/2008
05-00-89-072B: Fuel and Oil Additives - Facts and Myths/Maximizing Fuel Economy - (Jun 17, 2008)

Released 6/2/2008
05-09-41-001B: Supplemental Inflatable Restraint (SIR) Light ON, Diagnostic Trouble Codes (Inspect/Replace IP Harness to Inflatable Restraint Module (Air Bag) Yellow 4-Way Connector C221 and/or C222) - (Jun 2, 2008)

Released 4/30/2008
06-00-89-050B: Diagnostic Trouble Codes (DTCs) Required on Repair Orders - (Apr 30, 2008)

Released 4/23/2008
05-06-04-047C: Service Engine Soon (SES) Light On with Reduction in Engine Power, DTCs P0202 and P2149 or P0207 and P2146 or P1294 Set (Install Revised 90 Degree Injector Connector w/Harness Support Bracket Kit) - (Apr 23, 2008)

Released 2/19/2008
08-00-89-006: GM Training: February 2008 New Course Information (For U.S. Dealers and Aftermarket) - (Feb 19, 2008)

Released 2/6/2008
05-00-89-078B: GM Fuel System Treatment PLUS, Fuel Sending Unit Corrosion and Fuel System Deposits - (Feb 6, 2008)

Released 2/5/2008
06-06-04-035A: Use of E85 Fuels in Vehicles Not Certified by GM as being FlexFuel Compatible/Aftermarket Conversion of Vehicles to Operate on E85 Fuels - (Feb 5, 2008)

Released 12/10/2007
03-06-04-030F: Various Driveability Symptoms Due to Clogged Fuel Injectors, MIL/SES DTCs P0171, P0172, P0174, P0300, P1174, P1175 (Clean Fuel Injectors and/or Perform Injector Test With AFIT - CH-47976) - (Dec 10, 2007)

Released 11/13/2007
07-00-89-056: GM Training: November 2007 New Course Information (For U.S. Dealers and Aftermarket) - (Nov 13, 2007)

Released 7/30/2007
05-06-04-035C: Usage of E85 Fuels in GM Vehicles - (Jul 30, 2007)

Released 6/26/2007
07-00-89-025: GM Training: April 2007 New Course Information (For U.S. Dealers and Aftermarket) - (Jun 26, 2007)

Released 6/26/2007
07-00-89-011: GM Training: Course Information (For U.S. Dealers and Aftermarket) - (Jun 26, 2007)

Released 6/21/2007
00-06-01-026B: Intake Manifold Inspection/Replacement After Severe Internal Engine Damage - (Jun 21, 2007)

Released 6/4/2007
06-06-04-036D: Engine Overheats or Runs Hot in High Ambient Temperature When Towing or Hauling on Long Inclines (Install 2006 Air Cleaner Assembly) - (Jun 4, 2007)

Released 2/20/2007
03-06-04-017D: Information on Diesel Fuel Additives - (Feb 20, 2007)

Released 2/1/2007
04-07-30-013B: Info - Automatic Transmission Shift, Engine Driveability Concerns or Service Engine Soon (SES) Light On as a Result of the Use of an Excessively/Over-Oiled Aftermarket, Reusable Air Filter - (Feb 1, 2007)

Released 1/24/2007
06-00-89-051A: KeyCode Security Rules and Information on GM KeyCode Look-Up Application - (Jan 24, 2007)

Released 12/8/2006
06-06-04-026A: LLY Intermittent SES/MIL Lamp Illuminated, Reduced Engine Power, Fuel Injector Driver Circuit DTCs P0201, P0202, P0203, P0204, P0205, P0206, P0207, P0208, Cylinder Bank Shut Down DTCs P2146 or P2149 - (Dec 8, 2006)

Released 11/6/2006
06-06-04-060: SMU - Discontinue Use of Sealer on Fuel Injection Line Fittings - (Nov 6, 2006)

Released 10/24/2006
06-06-04-057: Warranty Admin. - Revised Mass Air Flow Core Return Requirements - (Oct 24, 2006)

Released 10/17/2006
03-06-04-036A: Information on Servicing Fuel Injectors to Avoid Contamination - (Oct 17, 2006)

Released 8/11/2006
06-06-04-041: Info on Utra Low Sulfur Diesel Fuel and Warning Labels on Fuel Station Pumps -This Info Applies to Diesel Engines w/RPOs LBZ, LB7, LH6, LLY, LMM, LL4, LQM, LQN, L49, L56, L57, L65, LG4, 1C3, 1C2, 1L5 - (Aug 11, 2006)

Released 8/4/2006
03-07-30-044C: Information on Allison Transmission Service Repairs - Full Service of Internal Components - (Aug 4, 2006)

Released 5/15/2006
06-06-04-030: Locations of E85 Refueling Stations and Expanded E85 Information - (May 15, 2006)

Released 4/26/2006
06-06-04-025: SMU - Revised DTC P1172 - (Apr 26, 2006)

Released 1/4/2006
04-06-04-051B: Info - Maintenance Cleaning of Fuel Injectors - (Jan 4, 2006)

Released 12/22/2005
05-06-04-077: LU3 May Lack Power at High Ambient Temperatures Only (If Necessary, Reprogram PCM with New Service Calibration) - (Dec 22, 2005)

Released 10/17/2005
04-00-89-020B: Info - Pre-Delivery and Service Guide - Parallel Hybrid Truck (PHT) (RPO HP2) - (Oct 17, 2005)

Released 10/12/2005
05-06-04-063: LM7, L59 or L33 Engines (incl. PHT Hybrid, RPO HP2) with Cold Start Rough or Incorrect Idle, DTCs, Misfire Malfunction Indicator Lamp (MIL) Flashing Requiring O2 Sensor Replacement (Reprogram PCM) - (Oct 12, 2005)

Released 9/27/2005
04-06-04-087B: Exchange Program - parts Restriction Program on Duramax Diesel Fuel Injectors - (Sep 27, 2005)

Released 8/2/2005
05-06-04-043A: Fuel Cap Tether Too Short to Hook on Fuel Door While Fueling Vehicle (Install Fuel Filler Housing and Cap) - (Aug 2, 2005)

Released 7/29/2005
#04-06-04-070A: Information on a Revised Fuel Filter for 6.6L LLY and LB7 Duramax Diesel Engine - (Jul 29, 2005)

Released 6/7/2005
05-06-04-040: SMU - Revised DTC P0045 - (Jun 7, 2005)

Released 6/7/2005
05-06-04-039: SMU - Revised DTC P0090 - (Jun 7, 2005)

Released 4/14/2005
05-06-04-008A: Diagnostic Trouble Code (DTC) P1172 or P2636, Fuel Gauge Reads Empty, Service Engine Soon (SES) Light On (Relocate Auxiliary Fuel Tank Vent Hose) - (Apr 14, 2005)

Released 3/17/2005
05-06-04-024: SMU - Revised DTC P1172 and DTC P2636 - (Mar 17, 2005)

Released 2/8/2005
01-08-66-014B: Pickup Box Sheet Metal Fracture/Damage with Aftermarket Accessories Installed (Repair Pickup Box Damage and Install Pickup Box Reinforcements) - (Feb 8, 2005)

Released 1/5/2005
05-00-90-001: Information on the Proper Air Filter for the Duramax Diesel - (Jan 5, 2005)

Released 1/5/2005
04-08-49-018E: Cranks But No Start, Stall, Inaccurate/Incorrect Fuel Gauge Reading, No Fuel, Vehicle is Out of Fuel and Fuel Gauge Reads Above Empty (Replace Fuel Level Sensor) - (Jan 5, 2005)

Released 11/18/2004
03-06-02-005B: Engine Coolant Loss with No Visible Leaks (Reseal Injector Sleeve) - (Nov 18, 2004)

Released 10/8/2004
04-01-38-013: HVAC Not Cold Enough, A/C Compressor Does Not Engage (Repair Engine Compartment Wiring Harness Near Idler Arm) - (Oct 8, 2004)

Released 7/28/2004
04-08-49-019A: Cranks But No Start, Stall, Inaccurate/Incorrect Fuel Gauge Reading, No Fuel, Vehicle Is Out of Fuel and Fuel Gauge Reads Above Empty (Replace Fuel Module/Sender/Sensor) - (Jul 28, 2004)

Released 7/27/2004
04-07-30-025A: Transmission Fluid Leak, Inoperative 2nd/3rd/4th Gears, No Movement, Case Cracked or Broken at 2-4 Servo (Repair Transmission and Install New Retaining Ring) - (Jul 27, 2004)

Released 6/17/2004
04-01-38-008: HVAC System Cannot Be Controlled Or Defaults To Defrost Mode (Repair HVAC Actuator Harness) - (Jun 17, 2004)

Released 6/3/2004
04-06-01-018: Information on Revised Design of Intake Gasket and Related Bolts for 2004 Mid Year Enhancement and Prior Year Service Usage - (Jun 3, 2004)

Released 4/28/2004
04-06-04-032: Info - Proper Method to Secure Fuel Cap During Refueling - (Apr 28, 2004)

Released 4/20/2004
03-06-04-048A: SMU - Revised Fuel System Diagnosis (Cab Chassis) - (Apr 20, 2004)

Released 4/13/2004
VSS20040091: Adm Msg - Fuel Cap Tether Strap Too Short - (Apr 13, 2004)

Released 3/24/2004
02-09-41-002A: Air Bag Lamp On, Passenger Air Bag Indicator Always Reads OFF, DTC B0092 Set (Repair Passenger Presence System (PPS) Sensor Harness) - (Mar 24, 2004)

Released 2/5/2004
02-00-89-005A: Warranty Admin. - Dealer Disclosure Requirements - (Feb 5, 2004)

Released 9/26/2003
03-06-04-047: SMU - Revised Fuel System Diagnosis - High Pressure Side - (Sep 26, 2003)

Released 9/26/2003
03-06-04-053: SMU - Revised Fuel Injector Balance Test with Tech 2 (Manual Transmission) - (Sep 26, 2003)

Released 9/26/2003
03-06-04-054: SMU - Revised Fuel Injector Balance Test with Tech 2 (Automatic Transmission) - (Sep 26, 2003)

Released 9/26/2003
03-06-04-045: SMU - Revised DTC P0093 or DTC P1093 - (Sep 26, 2003)

Released 9/26/2003
03-06-04-049: SMU - Revised Fuel System Diagnosis Pickup - (Sep 26, 2003)

Released 9/26/2003
03-06-04-046: Revised Engine Cranks But Does Not Run Diagnostic - (Sep 26, 2003)

Released 4/24/2003
03-00-89-010: Info - Bulletins Released Week of April 14, 2003 and Car and Truck Fix It Right the First Time Issues - (Apr 24, 2003)

Released 10/13/2011
Eliminating Unwanted Odors in Vehicles

Released 8/10/2011
Air Conditioning Odor (Install Evaporator Core Dryer Kit and Apply Cooling Coil Coating)

Released 7/22/2011
Car and Truck Fix it Right the First Time Issues

Released 3/4/2010
Car and Truck Fix It Right the First Time Issues

Released 2/25/2010
Repair Information for Reconnection of Rear Window Defroster Contact or Tab

Released 1/21/2010
Diagnostic Information to Accurately Diagnose A/C Low Pressure Switch Using Kent Moore Special Tool GE-47742

Released 5/6/2009
Car and Truck Fix It Right the First Time Issues

Released 10/27/2008
HVAC Blower Motor May Run Continuously After Vehicle is Turned Off (Replace Blower Resistor Relay)

Released 9/29/2008
00-00-89-027E: Eliminating Unwanted Odors in Vehicles - (Sep 29, 2008)

Released 7/16/2008
05-06-02-001A: Information on Aluminum Heater Core and/or Radiator Replacement - (Jul 16, 2008)

Released 6/27/2008
07-00-89-047B: Technical Assistance Center (TAC) Coverage Available for Current and Last Nine Model Year Vehicles (U.S. Only) - (Jun 27, 2008)

Released 6/24/2008
03-00-89-003A: GM Goodwrench Limited Lifetime Service Guarantee - (Jun 24, 2008)

Released 4/30/2008
06-00-89-050B: Diagnostic Trouble Codes (DTCs) Required on Repair Orders - (Apr 30, 2008)

Released 1/25/2008
08-01-38-001: Information on New GE-48800 CoolTech Refrigerant Recovery/Recharge Equipment - (Jan 25, 2008)

Released 1/23/2008
05-01-38-008B: 18 Digit Snapshot/Charge Summary Code No Longer Required for A/C Refrigerant System repairs Submitted for Warranty Reimbursement - (Jan 23, 2008)

Released 1/18/2008
06-01-39-002C: Blower Motor Inoperative or May Not Shut Off in Extremely Low Ambient Temperature Conditions (Replace Blower Motor Control Module) - (Jan 18, 2008)

Released 11/12/2007
06-00-89-026A: Customer Concern Not Duplicated/Verified Labor Operations - (Nov 12, 2007)

Released 11/5/2007
02-01-39-007B: Automatic Dual Zone HVAC Battery Draw - (Nov 5, 2007)

Released 8/23/2007
07-00-89-043: Warranty Admin. - Use of Parts and Components (Including Control Module Calibrations) Not Issued Through General Motors - (Aug 23, 2007)

Released 6/27/2007
07-01-38-004: Information on GM ACR2000 (J-43600) and New Refrigerant Recovery Recharging Equipment SAE J2788 - (Jun 27, 2007)

Released 6/26/2007
07-00-89-011: GM Training: Course Information (For U.S. Dealers and Aftermarket) - (Jun 26, 2007)

Released 6/4/2007
06-06-04-036D: Engine Overheats or Runs Hot in High Ambient Temperature When Towing or Hauling on Long Inclines (Install 2006 Air Cleaner Assembly) - (Jun 4, 2007)

Released 5/29/2007
99-01-39-004B: Air Conditioning Odor (Install Evaporator Core Dryer Kit and Apply Cooling Coil Coating) - (May 29, 2007)

Released 3/7/2007
05-06-01-018A: Accessory Drive Belt Chirp, Squeal or Squeak Type Noise at Cold Idle (Replace A/C Compressor/Power Steering Pump Mounting Bracket or Enlarge Bracket Bolt Holes) - (Mar 7, 2007)

Released 2/28/2007
04-01-39-009C: HVAC Blower Motor Inoperative or Stays Running (Replace Blower Motor Control Module) - (Feb 28, 2007)

Released 11/2/2006
05-01-38-012C: EI05082 - Loss of Blower Motor Speeds Except for Low Speed or Inoperative (Replace Blower Motor Resistor and Resistor Module Connector) keyword fan - (Nov 2, 2006)

Released 7/25/2006
06-01-39-007: Info - Contaminated R134a Refrigerant Found on Market for Automotive Air-Conditioning Systems - (Jul 25, 2006)

Released 6/26/2006
07-01-38-001: GM Training: HVAC Systems and Operation Stage 2 WBT and IDL (11044.03) (For U.S. Dealers Only) - (Jun 26, 2007)

Released 4/27/2006
06-06-04-027: LBZ, LB7, LLY, Service Engine Soon (SES) Light Illuminated, DTC P0116, P0181 Set with Engine Coolant Heater Usage in Ambient Temps Above -18 Degrees C (0 Degrees F) (Replace Engine Coolant Heater Cord - (Apr 27, 2006)

Released 4/27/2006
06-01-38-003: Intermittent Ticking Noise from I/P, Poor A/C Performance, HVAC DTCs B0229, B0414, B0424, B3770, (Reprogram HVAC Control Module) - (Apr 27, 2006)

Released 3/17/2006
06-01-38-002: A/C System Refrigerant Hiss Noise (Replace Liquid Line) - (Mar 17, 2006)

Released 3/17/2006
04-01-38-014A: ASI Resolution - High-Pitched Tone Heard Inside Vehicle When A/C Compressor is Engaged (Replace Compressor Discharge Hose Assembly) - (Mar 17, 2006)

Released 1/9/2006
03-08-44-018C: Rear Seat Audio (RSA) and/or Rear HVAC Inoperative (Replace RSA Module) - (Jan 9, 2006)

Released 12/22/2005
05-06-04-077: LU3 May Lack Power at High Ambient Temperatures Only (If Necessary, Reprogram PCM with New Service Calibration) - (Dec 22, 2005)

Released 11/16/2005
02-01-39-004B: Info - New PAG Oil Released - (Nov 16, 2005)

Released 11/30/2004
04-01-38-018: Info - HVAC Module External Seal Kit Now Available For Service Use - (Nov 30, 2004)

Released 10/8/2004
04-01-38-013: HVAC Not Cold Enough, A/C Compressor Does Not Engage (Repair Engine Compartment Wiring Harness Near Idler Arm) - (Oct 8, 2004)

Released 9/14/2004
01-01-38-006D: Info - Contaminated R-134a A/C Systems - Air Conditioning System Flushing Procedures and Universal In-Line A/C Filter Installation - (Sep 14, 2004)

Released 9/3/2004
03-01-38-019A: Underhood Rattle Noise Heard on Acceleration (Check A/C System Performance and Compressor Operation) - (Sep 3, 2004)

Released 8/5/2004
04-01-38-010: Info - Diagnostic Information to Accurately Diagnose A/C Low Pressure Switch Using New Kent Moore Special Tool GE-47742 - (Aug 5, 2004)

Released 7/27/2004
02-01-38-007C: Poor A/C Performance - A/C Will Not Blow Cold Enough (Perform A/C System Checks, Replace Accumulator, If Necessary) - (Jul 27, 2004)

Released 6/22/2004
99-01-38-006B: Info - J-43600 ACR 2000 Essential Refrigerant Recovery/Recharge Equipment - (Jun 22, 2004)

Released 6/17/2004
04-01-38-008: HVAC System Cannot Be Controlled Or Defaults To Defrost Mode (Repair HVAC Actuator Harness) - (Jun 17, 2004)

Released 3/12/2004
04-08-50-007: Service Information for Front Heated Seat Inoperative/Cold - (Mar 12, 2004)

Released 2/5/2004
02-00-89-005A: Warranty Admin. - Dealer Disclosure Requirements - (Feb 5, 2004)

Released 1/6/2004
04-01-37-001: Info - HVAC Control Knob Replacement - (Jan 6, 2004)

Released 10/29/2003
01-01-38-013A: Diagnostic Information to Consider Before Air Conditioning Compressor Replacement - (Oct 29, 2003)

Released 9/11/2003
03-01-38-015: HVAC Blower Motor May Run Continuously After Vehicle is Turned Off (Replace Blower Resistor Relay) - (Sep 11, 2003)

Released 7/14/2003
01-01-39-003A: Info - J 44551 A/C Suction Screen Kit Repair Recommendations and Procedures After Catastrophic Compressor Failures - (Jul 14, 2003)

Released 6/25/2003
03-01-39-008: Info - Changes in A/C Compressor On/Off Instrument Panel Display Symbol from 2003 to 2004 Model Year and Synchronizing the Driver and Passenger Set Temperatures - (Jun 25, 2003)

Released 4/24/2003
03-00-89-010: Info - Bulletins Released Week of April 14, 2003 and Car and Truck Fix It Right the First Time Issues - (Apr 24, 2003)

Released 12/19/2016
Information on Diesel Engine Ticking Noise

Released 11/16/2016
Information on Higher Than Expected Oil Consumption

Released 10/19/2016
Engine Oil Crankcase Sludge

Released 4/5/2016
Engine Knock on Cold Start

Released 12/15/2015
Supplement To Service Information For Duramax Diesel Head Gasket Replacement

Released 10/31/2015
Allison LCT1000 Clunk When Shifting Into Or Out Of Park or On Start Up In Park

Released 10/31/2015
Engine and Automatic Transmission/Transaxle Identification

Released 10/31/2015
Diesel Engine Hard Start When Hot

Released 6/1/2015
Higher Than Expected Oil Consumption at 8600 GVW and Above

Released 5/12/2015
Information on Higher Than Expected Oil Consumption

Released 5/12/2015
Supplement To Service Information For Duramax Diesel Head Gasket Replacement

Released 8/26/2014
Information on Identifying Duramax Diesel Overpower Engine Breakdown/Non-Function Due to Aftermarket Power-Up Devices vs Non Overpower Engine Non-Function of Pistons, Cylinders, Valvetrain Components, DTC P003A or P111D Set

Released 7/17/2014
Alleged Cylinders Out Of Round

Released 6/19/2014
Delayed Or No Drive And Or Delayed Or No Reverse With DTCs Range Inhibit

Released 6/10/2014
Delayed Or No Drive And Or Delayed Or No Reverse With DTCs Range Inhibit

Released 5/14/2014
Catalytic Converter Break-In Information To Prevent DTCs P0420 And/Or P0430

Released 2/25/2014
Allison LCT1000 Clunk When Shifting Into Or Out Of Park Or On Start Up In Park

Released 8/5/2013
SES Light, Misfire, DTC P0300, And/or A Chirp, Squeak, Squeal, Or Tick Noise - Potential Valvetrain Concern

Released 6/24/2013
Catalytic Converter Break-In Information To Prevent DTCs P0420 And/Or P0430

Released 6/19/2013
Global Information for GM dexos 1 and dexos 2 Engine Oil Specifications, Licensed Brands, and Service Fill

Released 6/19/2013
Information on Slight Vehicle Movement in Park at Start Up After Cold Soak

Released 4/12/2013
Information on Driveline Clunk Noise

Released 3/22/2013
Vibration Analysis Worksheet

Released 2/15/2013
Engine Surge Or Stall At Stop And Or DTC P0742 Possible TCC Applied

Released 2/8/2013
HYDRA-MATIC Front Wheel Drive 4T80-E (MH1) Left Front Axle Seal Leak, Transmission Slips in Gear (Replace Third Clutch Housing with Revised Service Part)

Released 9/4/2012
Information on Normal Maintenance or Warranty Service for 4T40, 4T45, 4T65, 4L60 Automatic Transmission Oil Pan Magnet Upgrade

Released 3/27/2012
Information on Diesel Engine Ticking Noise

Released 3/5/2012
Warranty, SPS, Control Module Diagnostics and Configuration Information, Programming, Set-Up

Released 3/3/2012
Warranty, SPS, Control Module Diagnostics and Configuration Information, Programming, Set-Up

Released 10/24/2011
Use of Surface Conditioning Disks When Cleaning Engine Gasket Sealing Surfaces and/or Reused Engine Parts

Released 7/22/2011
Car and Truck Fix it Right the First Time Issues

Released 5/17/2011
Information on Slight Vehicle Movement in Park at Start Up After Cold Soak

Released 5/6/2011
Information on Driveline Clunk Noise when Shifting Between PARK and DRIVE, PARK and REVERSE or DRIVE and REVERSE

Released 4/29/2011
1-2 Shift Flare with an End Bump or Harsh 1-2 Shift at Light Throttle (Install New 1-2 Accumulator Valve Kit)

Released 4/28/2011
Information on Diesel Engine Ticking Noise

Released 4/13/2011
Fluid/Oil Leak During Cold Weather from Transmission Vent (Perform Repair as Outlined Below)

Released 4/7/2011
Release of DEXRON-VI Automatic Transmission Fluid (ATF)

Released 3/28/2011
Engine and Automatic Transmission/Transaxle Identification

Released 3/28/2011
4.8L, 6.0L Knock or Rattle Noise from Engine (Replace Flywheel / Flexplate)

Released 2/17/2011
4WD System Shift Performance in Cold Ambient Temperatures (Use Synthetic Fluid in Light Duty Front Axles with 8.5 Inch Ring Gears)

Released 2/7/2011
Fluid/Oil Leak During Cold Weather from Transmission Vent (Early Models-Replace Transmission Fluid Level Indicator and Install New Transmission Vent Assembly)

Released 12/15/2010
Manual Transmission Operating Characteristics

Released 11/18/2010
Information - Non-GM Parts and Accessories (Aftermarket)

Released 7/23/2010
Information on Engine Ticking Noise

Released 7/23/2010
5.3L, 5.7L, 6.0L, 6.2L, 7.0L-Engine Oil Leak at Rear Cover Assembly Area (Engine Block Porosity RTV Repair Procedure)

Released 5/20/2010
Harsh 1-2 Shift at Light Throttle (Install New 1-2 Accumulator Valve Kit)

Released 3/31/2010
Information on Identifying Duramax Diesel LB7, LLY, LMM, LBZ Overpower Engine Breakdown/Non-Function Due to Aftermarket Power-Up Devices vs Non Overpower Engine Non-Function of Pistons, Cylinders

Released 3/4/2010
Car and Truck Fix It Right the First Time Issues

Released 2/24/2010
Information on Identifying Duramax Diesel LB7, LLY, LMM, LBZ Overpower Engine Breakdown or Non-Function Due to Aftermarket Power-Up Devices vs Non-Overpower Engine Non-Function of Pistons, Cylinders

Released 1/27/2010
Fluid/Oil Leak During Cold Weather from Transmission Vent (Early Models-Replace Transmission Fluid Level Indicator and Install new Transmission Vent Assembly)

Released 12/17/2009
Warranty Administration - Change in Automatic Transmission Add Condition Documentation and Claim Submission

Released 11/12/2009
5.3L, 5.7L, 6.0L, 6.2L, 7.0L - Engine Oil Leak at Rear Cover Assembly Area (Engine Block Porosity RTV Repair Procedure)

Released 11/6/2009
Harsh 1-2 Shift at Light Throttle (Install New 1-2 Accumulator Valve Kit)

Released 11/4/2009
Car and Truck Fix It Right the First Time Issues

Released 11/2/2009
Information on Driveline Clunk Noise When Shifting Between PARK and DRIVE, PARK and REVERSE or DRIVE and REVERSE

Released 11/2/2009
6.6L LB7, LLY Duramax Diesel Engine Cylinder Head Gasket Missing Thickness Grade Markings-Inspect Block for Stampings

Released 10/30/2009
Information on 6.6L LBZ, LB7, LLY Duramax Diesel Engine Cylinder Head Gasket Design Change-New Head Gasket Part Numbers and Head Bolt Torque Specifications

Released 10/1/2009
Engine and Automatic Transmission/Transaxle Identification

Released 9/16/2009
4WD System Shift Performance in Cold Ambient Temperatures (Use Synthetic Fluid in Light Duty Front Axles with 8.5 Inch Ring Gears)

Released 9/14/2009
Info on Identifying Duramax Diesel LB7, LLY, LMM, LBZ Overpower Engine Breakdown or Non-Function Due to Aftermarket Power-Up Devices vs Non-Overpower Engine Non-Function of Pistons, Cylinders, Valve

Released 7/22/2009
Guidelines for Usage of Transmission K Labor Operation Recondition Add Time

Released 5/6/2009
Car and Truck Fix It Right the First Time Issues

Released 5/5/2009
Engine Oil Leaks from Charge Air Cooler and Turbocharger Air Inlet Adapter (Replace Clamp and/or Turbo Inlet Duct/Pipe)

Released 5/5/2009
Information on Normal Maintenance or Warranty Service for 4T40, 4T45, 4T65, 4L60 Automatic Transmission Oil Pan Magnet Upgrade

Released 5/1/2009
Vibration Analysis Worksheet

Released 4/28/2009
Whine or Click Type Noises from Front Axle/New Design Front Axle Side Bearing Adjusters (Inspect/Replace with New Lock Rings)

Released 4/24/2009
Information on Engine Ticking Noise

Released 3/9/2009
Car and Truck Fix It Right the First Time Issues

Released 3/2/2009
Wheel Hub Changes - Gen III vs. Gen II

Released 2/18/2009
4.8L, 6.0L Knock or Rattle Noise form Engine (Replace Flywheel/Flexplate)

Released 2/6/2009
GM Training - February 2009 New Course Information (For U.S. Dealers and Aftermarket)

Released 1/29/2009
Diagnostic Tips for Automatic Transmission DTC P0756, Second, Third, Fourth Gear Start

Released 1/13/2009
Information on Engine Oil Consumption Guidelines

Released 1/12/2009
GM Training - January 2009 New Course Information (For U.S. Dealers and Aftermarket)

Released 1/12/2009
Information on Higher Than Expected Oil Consumption

Released 1/9/2009
Information on Engine Ticking Noise

Released 1/8/2009
Preventing Damage on Dealer Lots During Longer Periods in Dealer Inventory and Maintaining High CSI Scores

Released 12/17/2008
Higher Than Expected Oil Consumption at 8600 GVW and Above

Released 11/26/2008
GM Training - December 2008 New Course Information (For U.S. Dealers and Aftermarket)

Released 11/25/2008
Information on 4T65-E MN7, M15, M76, MN3 Automatic Transmission Case, Cooler Fitting and Torque Converter Drain Back Check Ball Change

Released 11/24/2008
Information on Difficult to Remove 8.25 and 9.25 Left Front Axle Shaft - Center C-Clip

Released 11/6/2008
GM Training - November 2008 New Course Information (For U.S. Dealers and Aftermarket)

Released 10/16/2008
06-06-01-007C: Identifying Duramax DIesel LB7, LLY, LMM, LBZ Overpower Engine Breakdown or Non-Function Due to Aftermarket Power-Up Devices vs. Non-Overpower Engine Non-Function of Pistons, Cylinders, Valvetrain Com - (Oct 16, 2008)

Released 10/9/2008
03-06-93-001D: Diagnostic Information on Turbocharger Malfunction Due to Lack of Engine Oil for LBZ, LB7, LLY and LMM Duramax Diesel Engine - (Oct 9, 2008)

Released 9/29/2008
02-07-30-029L: Product Quality Center (PQC) for Engine, Transmission Assembly and Transfer Case Replacement - (Sep 29, 2008)

Released 9/29/2008
01-07-30-032E: Transmission Oil Leaking From Transmission Vent (Replace Transmission Case Cover (Channel Plate) Gasket) - (Sep 29, 2008)

Released 9/16/2008
04-07-30-017A: Information on 4T65-E MN7, M15, M76, MN3 Automatic Transmission Case, Cooler Fitting and Torque Converter Drain Back Check Ball Change - (Sep 16, 2008)

Released 9/4/2008
05-06-01-034F: 5.3L LC9, LS4, L33, LH6, LM4, 5.7L LS1, LS6, 6.0L LS2, L76 6.2L L92, 7.0L LS7 - Engine Oil Leak at Rear Cover Assembly Area (Engine Block Porosity RTV Repair Procedure) - (Sep 4, 2008)

Released 8/21/2008
06-08-47-001E: Warranty, SPS, Control Module Diagnostics and Configuration Information, Programming, Set-Up - (Aug 21, 2008)

Released 8/18/2008
04-06-04-007I: Service Engine Soon (SES) Light On, DTCs P0087, P0093, P1093, Low Power, No Start, Hard Start, Fuel in Crankcase (Replace All Injectors - New Strategy for High Fuel Return Rates) - (Aug 18, 2008)

Released 8/18/2008
02-06-01-022H: Information on Engine Ticking Noise - (Aug 18, 2008)

Released 8/8/2008
08-07-30-035: Information on Water or Ethylene Glycol in Transmission Oil - (Aug 8, 2008)

Released 8/6/2008
05-06-04-022E: TOP TIER Detergent Gasoline (Deposits, Fuel Economy, No Start, Power, Performance, Stall Concerns) - Canada ONLY - (Aug 6, 2008)

Released 6/27/2008
07-00-89-047B: Technical Assistance Center (TAC) Coverage Available for Current and Last Nine Model Year Vehicles (U.S. Only) - (Jun 27, 2008)

Released 6/24/2008
03-00-89-003A: GM Goodwrench Limited Lifetime Service Guarantee - (Jun 24, 2008)

Released 6/24/2008
04-06-04-047H: TOP TIER Detergent Gasoline (Deposits, Fuel Economy, No Start, Power, Performance, Stall Concerns) - U.S. Only - (Jun 24, 2008)

Released 6/17/2008
05-00-89-072B: Fuel and Oil Additives - Facts and Myths/Maximizing Fuel Economy - (Jun 17, 2008)

Released 6/10/2008
00-07-30-022D: No Reverse, Second Gear or Fourth Gear (Replace Reaction Sun Shell with More Robust Heat Treated Parts) - (Jun 10, 2008)

Released 6/6/2008
99-04-20-002E: Information on Driveline Clunk Noise When Shifting Between PARK and DRIVE, PARK and REVERSE or DRIVE and REVERSE - (Jun 6, 2008)

Released 6/4/2008
08-07-30-027: No Movement When Transmission is Shifted to Drive or Third - Normal Operation When Shifted to Second, First or Reverse (Replace Forward Sprag Assembly) - (Jun 4, 2008)

Released 6/3/2008
08-07-30-008B: Diagnostic Information on Diagnostic Trouble Code (DTC) P0894 and P1870 - (Jun 3, 2008)

Released 5/22/2008
08-07-30-026: Information on Slight Vehicle Movement in Park at Start Up After Cold Soak - (May 22, 2008)

Released 5/12/2008
01-07-30-010C: Automatic Transmission/Transaxle Torque Converter Replacement - (May 12, 2008)

Released 5/12/2008
01-07-30-036G: Diagnostic Tips for Automatic Transmission DTC P0756, Second, Third, Fourth Gear Start - (May 12, 2008)

Released 5/5/2008
03-07-30-007E: Engagement Time of Electronically Controlled Transmissions in General Motors Vehicles (Garage Shifts, Park to Reverse, Neutral to Drive, Neutral to Reverse, Park to Drive, Delayed Engagement) - (May 5, 2008)

Released 5/2/2008
03-07-29-004E: Manual Transmission Operating Characteristics - (May 2, 2008)

Released 5/1/2008
99-07-30-030F: Grinding and/or Growling Noise in Park on Incline - (May 1, 2008)

Released 4/30/2008
06-00-89-050B: Diagnostic Trouble Codes (DTCs) Required on Repair Orders - (Apr 30, 2008)

Released 4/29/2008
07-08-49-015C: Information On Instrument Panel Cluster (IPC) Odometer and Engine Hour Meter Set Up at Dealership After IPC Replacement - (Apr 29, 2008)

Released 4/23/2008
05-06-04-047C: Service Engine Soon (SES) Light On with Reduction in Engine Power, DTCs P0202 and P2149 or P0207 and P2146 or P1294 Set (Install Revised 90 Degree Injector Connector w/Harness Support Bracket Kit) - (Apr 23, 2008)

Released 4/16/2008
02-06-04-037D: DTC P0446 (Restricted/Blocked Evap Vent Path) Set, Check Engine Light On (Replace Evaporative Emission (EVAP) Vent Valve Solenoid Assembly and Add/Relocate Filter Box Using Service Kit) - (Apr 16, 2008)

Released 4/15/2008
05-04-21-003C: Service 4WD Light Illuminated, DTC C0374 Set (Inspect Wiring Harness to Transfer Case Speed Sensors, Replace Wiring Harness) - (Apr 15, 2008)

Released 4/14/2008
00-06-01-012C: Use of Surface Conditioning Disks When Cleaning Engine Gasket Sealing Surfaces and/or Reused Engine Parts - (Apr 14, 2008)

Released 4/2/2008
06-06-01-006B: Information on 6.6L LBZ, LB7, LLY Duramax Diesel Engine Cylinder Head Gasket Design Change - New Head Gasket Part Numbers and Head Bolt Torque Specifications - (Apr 2, 2008)

Released 3/31/2008
02-06-01-023F: Oil Leak at Oil Cooler to Engine Block Mating Surface (Replace O-rings, Apply Sealant) - (Mar 31, 2008)

Released 3/27/2008
08-07-30-015: Diagnostic Information on MN8, MT1 SES/MIL Illuminated, DTC P0757, Harsh Shift, Delayed 2-3 Shift, 2-3 Shift Flare, No Third Gear, Slips in Third Gear or Reverse - (Mar 27, 2008)

Released 3/27/2008
08-03-08-003: Wheel Hub Changes - Gen III vs. Gen II - (Mar 27, 2008)

Released 2/22/2008
02-07-30-052E: Automatic Transmission Oil Cooler Flush and Flow Test Essential Tool J 45096 TransFlow - (Feb 22, 2008)

Released 2/5/2008
04-06-01-029B: Unnecessary Engine Crankcase and Subsystems Flushing Services, Additive Recommendations and Proper Utilization of GM Simplified Maintenance Schedule to Enhance Customer Service Experience - (Feb 5, 2008)

Released 2/4/2008
06-06-01-010A: Info on Close-Coupled Converter, Engine Breakdown or Non-Function Due to Severe Overheat/Lack of Oil Causing Pistons, Rods, Crankshaft, Cylinders/Heads, Camshaft, Intake/Exhaust Valves, Bearing Damage - (Feb 4, 2008)

Released 1/31/2008
08-07-30-004: 4L60-E, 4L65-E, 4L70-E HYDRAMATIC Automatic Transmission RPOs M30, M70, M32, M33, MK2, MD6 Oil Cooler Fitting Change - (Jan 31, 2008)

Released 1/17/2008
08-00-89-003: GM Training: January 2008 New Course Information (For U.S. Dealers and Aftermarket) - (Jan 17, 2008)

Released 1/17/2008
04-00-89-053B: Engineering Information (EI) Process - (Jan 17, 2008)

Released 1/16/2008
08-07-30-001: 4L80E, MT1 and 4L85E, MN8 Simplified Valve Body Reconditioning Instructions, DTC P0741, P0742, P0751, P0752, P0756, P0757, P0894, Harsh or Delayed Shifts, Slips, No Drive, No Reverse - (Jan 16, 2008)

Released 1/10/2008
08-06-04-003: New Tool Availability - EN-48974 - EGR Cooler Pressure Tester Adapter Set to Diagnose Duramax Diesel Engine EGR Cooler Leaks into Combustion Chamber - (Jan 10, 2008)

Released 12/10/2007
03-06-04-030F: Various Driveability Symptoms Due to Clogged Fuel Injectors, MIL/SES DTCs P0171, P0172, P0174, P0300, P1174, P1175 (Clean Fuel Injectors and/or Perform Injector Test With AFIT - CH-47976) - (Dec 10, 2007)

Released 12/5/2007
07-06-01-023: 60 Degree V6 Engine Oil Leak at Crankshaft Front Oil Seal (Use New Crankshaft Front Oil Seal Installer Tool EN-48869) - (Dec 5, 2007)

Released 11/21/2007
04-07-30-037D: Release of DEXRON-VI Automatic Transmission Fluid (ATF) - (Nov 21, 2007)

Released 11/13/2007
07-00-89-056: GM Training: November 2007 New Course Information (For U.S. Dealers and Aftermarket) - (Nov 13, 2007)

Released 11/12/2007
06-00-89-026A: Customer Concern Not Duplicated/Verified Labor Operations - (Nov 12, 2007)

Released 10/2/2007
05-06-01-019F: Engine Oil Leak at Crankshaft Rear Main Oil Seal (Install Revised Crankshaft Rear Main Oil Seal Using Revised Rear Main Seal Installer and Remover Tools) - (Oct 2, 2007)

Released 9/28/2007
05-06-01-010B: Service Information Update on Consolidating Use of GM Liquid Gasket/Engine Sealants and New Sealant Dispenser GE-48326 Essential Tool - (Sep 28, 2007)

Released 9/27/2007
07-07-30-024: Information on 4L60-E M30 Rear Wheel Drive Automatic Transmission Valve Body Reconditioning, DTC P0741, P0756, P0894, Harsh 1-2 Shift - (Sep 27, 2007)

Released 9/17/2007
07-06-01-016A: Information on Internal Engine Noise or Damage After Oil Filter Replacement - (Sep 17, 2007)

Released 8/23/2007
07-00-89-043: Warranty Admin. - Use of Parts and Components (Including Control Module Calibrations) Not Issued Through General Motors - (Aug 23, 2007)

Released 8/13/2007
01-08-49-017A: Center Front Floor Console Compartment Lock Cylinder and Key Replacement - (Aug 13, 2007)

Released 8/6/2007
07-07-30-020: Guidelines for Usage of Transmission K Labor Operation Recondition Add Time - (Aug 6, 2007)

Released 7/30/2007
05-06-04-035C: Usage of E85 Fuels in GM Vehicles - (Jul 30, 2007)

Released 7/25/2007
07-00-89-033: GM Training - June 2007 New Course Information (For U.S. Dealers and Aftermarket) - (Jul 25, 2007)

Released 6/27/2007
07-00-89-028: GM Training: May 2007 New Course Information (For U.S. Dealers and Aftermarket) - (Jun 27, 2007)

Released 6/22/2007
99-08-64-016B: Use of Silicone for Weatherstrip Maintenance - (Jun 22, 2007)

Released 6/21/2007
00-06-01-026B: Intake Manifold Inspection/Replacement After Severe Internal Engine Damage - (Jun 21, 2007)

Released 6/5/2007
04-06-01-019A: GM Performance Parts Engine Warranty Q and A - (Jun 5, 2007)

Released 5/25/2007
07-06-01-009: 6.6L LB7, LLY Duramax Diesel Engine Cylinder Head Gasket Missing Thickness Grade Markings - Inspect Block for Stampings - (May 25, 2007)

Released 5/21/2007
01-07-30-042E: Information on 2-3 Upshift or 3-2 Downshift Clunk Noise - (May 21, 2007)

Released 5/3/2007
07-07-30-010: Procedure to Take Snapshot Data with a Tech 2 and Upload Data to Computer Using TIS Software - (May 3, 2007)

Released 4/3/2007
01-06-01-011D: Information on Engine Oil Consumption Guidelines - (Apr 3, 2007)

Released 3/30/2007
02-08-42-004A: Info - PRNDL Display Reduced Visibility for Approximately One Minute - (Mar 30, 2007)

Released 3/7/2007
07-06-01-003: LBZ LB7 LLY 6.6L Duramax Diesel Engine Accessory Drive Belt Chirp, Squeal or Squeak Type Noise at Cold Start Idle (Replace Accessory Drive Belt) - (Mar 7, 2007)

Released 3/5/2007
07-06-01-002: Information on Revised Connecting Rod Bolt Torque for Small Block GEN III and GEN IV Vortec V8 Engines - (Mar 5, 2007)

Released 2/9/2007
04-07-30-018B: Info - Availability of Transmission Shield to Protect Shift Cable/Manual Shaft Area from Snow and Ice Build-Up on Allison Automatic Transmissions - (Feb 9, 2007)

Released 2/1/2007
04-07-30-013B: Info - Automatic Transmission Shift, Engine Driveability Concerns or Service Engine Soon (SES) Light On as a Result of the Use of an Excessively/Over-Oiled Aftermarket, Reusable Air Filter - (Feb 1, 2007)

Released 1/23/2007
04-07-31-006B: Excessive Shifter and/or Engine Vibration, Bearing Growl and/or Rattle Type Noise While Depressing or Releasing Clutch Pedal (Replace Flywheel and Flywheel Mounting Bolts) - (Jan 23, 2007)

Released 1/12/2007
06-04-17-002A: Rear Drive Axle Whine Noise (Replace Slip Yoke Assembly) - (Jan 12, 2007)

Released 1/11/2007
04-06-04-054A: Info - Non-GM Parts and Accessories (Aftermarket) - (Jan 11, 2007)

Released 1/5/2007
04-06-01-012A: Rattle or Crackling Noise From Engine Compartment (Replace Flywheel) - (Jan 5, 2007)

Released 12/8/2006
06-06-04-026A: LLY Intermittent SES/MIL Lamp Illuminated, Reduced Engine Power, Fuel Injector Driver Circuit DTCs P0201, P0202, P0203, P0204, P0205, P0206, P0207, P0208, Cylinder Bank Shut Down DTCs P2146 or P2149 - (Dec 8, 2006)

Released 11/28/2006
04-06-04-001C: LB7/LBZ/LLY/LMM - Intermittent Driveability Conditions-No Crank, Crank No Start, Hard to Start, MIL/SES, HEsitation, Lack of Power, Surge, Misfire, Fuel Knock, IPC Indicates No Oil Pressure, DTCs Set - (Nov 28, 2006)

Released 11/1/2006
01-07-31-002B: Info - Improved Bleeding Procedure for Hydraulic Clutch Release System - (Nov 1, 2006)

Released 10/24/2006
06-06-04-057: Warranty Admin. - Revised Mass Air Flow Core Return Requirements - (Oct 24, 2006)

Released 10/17/2006
03-06-04-036A: Information on Servicing Fuel Injectors to Avoid Contamination - (Oct 17, 2006)

Released 10/10/2006
00-07-30-009B: Info - Current Model Year Goodwrench Transmission Replacement Assembly Program - (Oct 10, 2006)

Released 9/18/2006
02-07-30-004C: Information on Grade Brake Feature of Allison 1000 Series Transmission - (Sep 18, 2006)

Released 9/12/2006
01-07-30-038D: Diagnostic Trouble Code (DTC) P0757 Set, Malfunction Indicator Lamp (MIL) Illuminated, Poor Performance of Transmission/Slipping (Clean Transmission Valve Body and Case Oil Passages of Debris) - (Sep 12, 2006)

Released 9/12/2006
06-06-04-046: Information on Engine Misfire MIL/SES Light Illuminated or Flashing DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307, P0308, P0420 or P0430 - (Sep 12, 2006)

Released 8/15/2006
00-06-02-006D: Engine Coolant Recycling and Warranty Information - (Aug 15, 2006)

Released 8/11/2006
06-06-04-041: Info on Utra Low Sulfur Diesel Fuel and Warning Labels on Fuel Station Pumps -This Info Applies to Diesel Engines w/RPOs LBZ, LB7, LH6, LLY, LMM, LL4, LQM, LQN, L49, L56, L57, L65, LG4, 1C3, 1C2, 1L5 - (Aug 11, 2006)

Released 8/4/2006
03-07-30-044C: Information on Allison Transmission Service Repairs - Full Service of Internal Components - (Aug 4, 2006)

Released 8/4/2006
02-00-89-007A: Light and Medium Duty Truck Warranty and Crossline Warranty Eligibility and Guidelines for Chevrolet and GMC Dealers - (Aug 4, 2006)

Released 7/28/2006
00-00-89-008F: Info - Recreational (Dinghy) Towing - (Jul 28, 2006)

Released 7/20/2006
02-04-21-006E: Inoperative 4WD/AWD Lamps, Inoperative 4WD/AWD System, DTC C0550 Set No Communication with TCCM (Reprogram Transfer Case Control Module) - (Jul 20, 2006)

Released 6/12/2006
06-00-89-031: Info - Engine and Automatic Transmission/Transaxle Identification - (Jun 12, 2006)

Released 5/26/2006
#05-00-90-005: SMU - Revised Maintenance and Lubrication for Automatic Transmission Service Interval/correct Filter to Replace - (May 26, 2005)

Released 5/25/2006
03-07-30-043A: Information Regarding Automatic Transmission Shift Lock Control Function - (May 25, 2006)

Released 4/27/2006
06-06-04-027: LBZ, LB7, LLY, Service Engine Soon (SES) Light Illuminated, DTC P0116, P0181 Set with Engine Coolant Heater Usage in Ambient Temps Above -18 Degrees C (0 Degrees F) (Replace Engine Coolant Heater Cord - (Apr 27, 2006)

Released 3/7/2006
02-06-04-015A: Intermittent No Crank, No Start (Clean Battery Side Terminal Stripped Threads, Replace Battery Cable Bolt) - (Mar 7, 2006)

Released 2/17/2006
05-07-30-017B: 4L60-E/4L65-E/4L70-E Automatic Transmission/Torque Converter Clutch (TCC) Shudder, Water in Transmission (Repair Transmission and Seal Cowl Area) - (Feb 17, 2006)

Released 2/9/2006
06-07-30-006: Diagnostic Information for Front Wheel Drive Transaxle/Transmission Final Drive and/or Front Hub Bearing Hum and/or Grind Noise -(Feb 9, 2006)

Released 1/20/2006
06-06-01-003: Information on Longer Main Bearing Cap Bolts Required on Certain 2001-2006 LB7, LLY, LBZ Duramax Diesel Engines - (Jan 20, 2006)

Released 1/12/2006
04-07-30-028A: 4T65-E Automatic Transmission Fluid Leak from Reverse Servo Cover (Replace Reverse Servo Cover Seal) - (Jan 12, 2006)

Released 12/22/2005
02-00-89-006C: Warranty Admin. - New Add Time for Labor Operation L2300 - Converter, Oxidation Catalytic-Replace - (Dec 22, 2005)

Released 11/17/2005
05-00-90-009: Info - Vehicles Without Engine Oil Life System - (Nov 17, 2005)

Released 10/28/2005
05-08-49-026: Low Oil Pressure Message Display and Chimes Activated While Driving Following Hybrid (PHT) (HP2) LM7 Engine Auto-Start (Reprogram the PCM) - (Oct 28, 2005)

Released 10/21/2005
05-06-04-067: Information on New Essential Tool EN-47909 Injector Bore Cleaning Kit for 6.6L Duramax Diesel Engine (RPOs LB7, LBZ, LLY) - (Oct 21, 2005)

Released 10/18/2005
01-07-30-030B: 4L60-E/4l65-E Automatic Transmission Diagnostic Information on Harsh 1-2 Upshift - (Oct 18, 2005)

Released 10/17/2005
04-00-89-020B: Info - Pre-Delivery and Service Guide - Parallel Hybrid Truck (PHT) (RPO HP2) - (Oct 17, 2005)

Released 10/12/2005
05-06-04-063: LM7, L59 or L33 Engines (incl. PHT Hybrid, RPO HP2) with Cold Start Rough or Incorrect Idle, DTCs, Misfire Malfunction Indicator Lamp (MIL) Flashing Requiring O2 Sensor Replacement (Reprogram PCM) - (Oct 12, 2005)

Released 10/6/2005
01-07-30-041B: Info - Transmission Fluid Leak Diagnosis - (Oct 6, 2005)

Released 9/23/2005
01-07-30-002E: MIL On, Transmission Stuck in Second or Third Gear, IPC Inoperative, DTCs P0740, P0753, P0758, P0785, P0787, P0973, P0976, P1860, P2761, P2764 and/or P2769 Set (Verify and Repair Source of Voltage Loss - (Sep 23, 2005)

Released 8/3/2005
05-04-21-005: Info - First and Second Design Clutch Hub and Apply Plate for NV246 Transfer Case - (Aug 3, 2005)

Released 8/2/2005
05-04-21-004: Info - Guidelines for Proper Use of Labor Operation Numbers when Servicing Transfer Case - (Aug 2, 2005)

Released 8/2/2005
05-06-04-043A: Fuel Cap Tether Too Short to Hook on Fuel Door While Fueling Vehicle (Install Fuel Filler Housing and Cap) - (Aug 2, 2005)

Released 7/29/2005
#04-06-04-070A: Information on a Revised Fuel Filter for 6.6L LLY and LB7 Duramax Diesel Engine - (Jul 29, 2005)

Released 6/28/2005
04-08-48-001B: Info - Rear Window Defogger - Broken Heating Grid Detection Method - (Jun 28, 2005)

Released 6/24/2005
05-06-04-029A: Flexible Fuel (RPO L59) Rough Idle, Misfire, MIL DTC P0300 (Install Intake Manifold Gaskets with Teal Green Gasket Material) - (Jun 24, 2005)

Released 5/17/2005
02-06-01-027A: Information on Higher Than Expected Oil Consumption - (May 17, 2005)

Released 5/9/2005
05-06-01-014: Oil Leak Under Extreme Cold Temperatures (-34 Degrees Celsius, 30 DegreesFahrenheit or Colder) (Install Vented Oil Fill Cap) -(May 9, 2005)

Released 4/29/2005
05-08-61-005: SMU - Revised Crossmember/Body Mount Bolt Installation Information - (Apr 29, 2005)

Released 4/14/2005
05-06-04-008A: Diagnostic Trouble Code (DTC) P1172 or P2636, Fuel Gauge Reads Empty, Service Engine Soon (SES) Light On (Relocate Auxiliary Fuel Tank Vent Hose) - (Apr 14, 2005)

Released 3/22/2005
05-06-03-001: SMU - Revised Engine Electrical and Automatic Transmission - 4L60E/4L65E Subsections - New Caution Statements for Hybrid Truck (PHT) (RPO HP2) - (Mar 22, 2005)

Released 3/10/2005
05-04-21-002: Info - Guidelines for Replacement of Transfer Case Control Module (TCCM) - (Mar 10, 2005)

Released 3/8/2005
05-04-21-001: Information on Excessive Use of RTV Silicone Sealant on New Venture Gear (NVG) and Borg Warner Transfer Cases During Service - (Mar 8, 2005)

Released 1/25/2005
05-07-30-002: Info - New Essential Tool J 45096-23 Automatic Transmission Oil Cooler Line Adapter for Allison Transmission - (Jan 25, 2005)

Released 1/5/2005
01-04-17-004B: Clunk, Bump or Squawk when Vehicle Comes to Complete Stop or Accelerating from Complete Stop or Accelerating from Complete Stop (Replace Rear Drive Shaft Nickel-Plated Slip Yoke) - (Jan 5, 2005)

Released 1/5/2005
05-00-90-001: Information on the Proper Air Filter for the Duramax Diesel - (Jan 5, 2005)

Released 11/18/2004
03-06-02-005B: Engine Coolant Loss with No Visible Leaks (Reseal Injector Sleeve) - (Nov 18, 2004)

Released 11/10/2004
04-04-21-003: Info - Automatic Transfer Case Clutch Plate Shimming - Parts Availability Change - (Nov 10, 2004)

Released 10/20/2004
04-06-04-065A: High, Low or Erratic Oil Pressure Gauge Reading Setting DTCs P0522 and/or P0523 - (Oct 20, 2004)

Released 10/8/2004
01-08-44-005A: Information on Error Codes on Radio Display - Their Cause and Corrective Action - (Oct 8, 2004)

Released 8/5/2004
04-01-38-010: Info - Diagnostic Information to Accurately Diagnose A/C Low Pressure Switch Using New Kent Moore Special Tool GE-47742 - (Aug 5, 2004)

Released 7/27/2004
04-07-30-025A: Transmission Fluid Leak, Inoperative 2nd/3rd/4th Gears, No Movement, Case Cracked or Broken at 2-4 Servo (Repair Transmission and Install New Retaining Ring) - (Jul 27, 2004)

Released 6/22/2004
04-06-04-045: Info - Oil Life Monitoring System - PCM Reset - (Jun 22, 2004)

Released 6/21/2004
02-07-30-011C: Slow or No Engagement of Automatic Transmission, No Start, Blank PRNDL Display, Flashing PRNDL, DTC P0708, P0872, P0847, P0875, P1711, P1713 or U1000 Set (Diagnose Condition, Repair) - (Jun 21, 2004)

Released 6/17/2004
04-01-38-008: HVAC System Cannot Be Controlled Or Defaults To Defrost Mode (Repair HVAC Actuator Harness) - (Jun 17, 2004)

Released 6/17/2004
04-06-04-043: Unable to Reset Engine Oil Life Monitor (Reprogram PCM) - (Jun 17, 2004)

Released 6/17/2004
04-06-01-020: Engine Oil Leak Near Oil Filter (Inspect for Leak/Replace Plug) - (Jun 17, 2004)

Released 6/3/2004
04-06-01-018: Information on Revised Design of Intake Gasket and Related Bolts for 2004 Mid Year Enhancement and Prior Year Service Usage - (Jun 3, 2004)

Released 5/12/2004
04-07-30-023: Info - Oil Pump Assembly Seal and Transmission Case Change - (May 12, 2004)

Released 4/29/2004
04-06-01-013: Information on Serpentine Belt Wear - (Apr 29, 2004)

Released 4/20/2004
03-06-04-048A: SMU - Revised Fuel System Diagnosis (Cab Chassis) - (Apr 20, 2004)

Released 3/24/2004
02-09-41-002A: Air Bag Lamp On, Passenger Air Bag Indicator Always Reads OFF, DTC B0092 Set (Repair Passenger Presence System (PPS) Sensor Harness) - (Mar 24, 2004)

Released 3/2/2004
04-04-95-001: SMU - Revised Wheel Drive Shaft Nut Torque Specification - (Mar 2, 2004)

Released 2/25/2004
01-07-30-031A: Info - 1-2, 2-3, 3-4, 4-5 Shift and Torque Converter Clutch (TCC) Characteristics During Cold Weather Operation on 4L60-E, 4L80-E or Allison Transmissions - (Feb 25, 2004)

Released 2/11/2004
04-07-30-006: Info - 4L65-E, 4L60-E, 4L60 and 200-4R Automatic Transmission Oil Pump Spring First and Second Design Identification - (Feb 11, 2004)

Released 2/5/2004
02-00-89-005A: Warranty Admin. - Dealer Disclosure Requirements - (Feb 5, 2004)

Released 1/21/2004
04-07-31-001: SMU - Revised Clutch Pressure Plate Adjustment (Off-Vehicle (6.0L, 6.6L, 8.1L Only) - (Jan 21, 2004)

Released 11/10/2003
03-07-30-057: Transmission Fluid Leak From Front of Transmission - Torque Converter Housing and Pump Area (Remove 2 Lower Torque Converter Housing Bolts, Add Copper Washers Under Bolts) - (Nov 10, 2003)

Released 11/5/2003
03-07-30-056: Info - 4L60-E Automatic Transmission Oil Pump First and Second Design Identification - (Nov 5, 2003)

Released 10/28/2003
03-07-30-054: Transmission Fluid Leak Out of Vent (Replace Transmission Fluid Level Indicator) - (Oct 28, 2003)

Released 10/24/2003
03-07-30-053: Info - Allison Automatic Transmission Valve Body Hardware Changes - (Oct 24, 2003)

Released 9/26/2003
03-06-04-053: SMU - Revised Fuel Injector Balance Test with Tech 2 (Manual Transmission) - (Sep 26, 2003)

Released 9/26/2003
03-06-04-054: SMU - Revised Fuel Injector Balance Test with Tech 2 (Automatic Transmission) - (Sep 26, 2003)

Released 9/26/2003
03-06-04-045: SMU - Revised DTC P0093 or DTC P1093 - (Sep 26, 2003)

Released 9/26/2003
03-06-04-049: SMU - Revised Fuel System Diagnosis Pickup - (Sep 26, 2003)

Released 9/26/2003
03-06-04-046: Revised Engine Cranks But Does Not Run Diagnostic - (Sep 26, 2003)

Released 8/26/2003
03-06-03-008: Info - Avoiding Oil Level Sensor Harness Damage During Lower Oil Pan Installation - (Aug 26, 2003)

Released 8/21/2003
03-06-03-007: Info - Availability of Starter Motor Solenoid if Damaged During Service - (Aug 21, 2003)

Released 8/19/2003
03-06-01-023: Info - Higher Than Expected Oil Consumption (Greater Than 8500 GVW) - (Aug 19, 2003)

Released 7/22/2003
03-07-30-032: Info - Buzz Noise or Vibration Felt in Floor or Throttle Pedal at Approximately 16 km/h (10 mph) or During 1-2 Upshift - (Jul 22, 2003)

Released 6/25/2003
03-07-30-027: Info - Most Frequently Asked Questions and Answers for J 45096 TransFlow Transmission Oil Cooling System Flushing Machine - (Jun 25, 2003)

Released 6/5/2003
99-07-30-022A: Info - Shift Stabilization and Tow/haul Mode Feature for Hydra-Matic 4L60- E/4L65-E and 4L80-E/4L85-E Transmissions

Released 4/24/2003
03-00-89-010: Info - Bulletins Released Week of April 14, 2003 and Car and Truck Fix It Right the First Time Issues - (Apr 24, 2003)

Released 1/17/1997
Car and Truck Fix it Right the First Time Issues

Released 7/19/2016
Squeak Noise from Rear of Vehicle (Lubricate Rear Leaf Springs)

Released 6/27/2015
Squeak Noise from Rear of Vehicle (Lubricate Rear Leaf Springs)

Released 8/18/2014
Diagnostic Tip - Missing Alignment Dowel Pin

Released 2/6/2014
Vibration Shortly After Tires are Mounted/Preventing Vibration from Wheel Slip (Tire Sliding on Wheel)

Released 3/22/2013
Vibration Analysis Worksheet

Released 5/3/2012
Information on Tire Radial Force Variation (RFV)

Released 12/3/2011
Information on Diagnosis and Replacement of Shock Absorber and Strut Due to Fluid Leak

Released 10/27/2011
Squeak Noise from Rear of Vehicle (Lubricate Rear Leaf Springs)

Released 7/22/2011
Car and Truck Fix it Right the First Time Issues

Released 6/28/2011
Rear Leaf Spring Slap or Clunk Noise (Replace Spring Inserts)

Released 4/21/2011
Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels

Released 3/28/2011
EI06002 - 670 Gear Box Power Steering Pump, P/S Performance Concerns

Released 3/17/2011
Refinishing Aluminum Wheels

Released 12/13/2010
Guidelines for Using Labor Operations E0200, E0201, E0203, E0204 - Wheel Balance

Released 11/11/2010
Squeak Noise from Rear of Vehicle (Lubricate Rear Leaf Springs)

Released 11/1/2010
Spare Tire is a Different Size than Other Tires

Released 10/13/2010
Information on Pitman Arm Shaft Seal Service Kit

Released 6/21/2010
Information on Pitman Arm Shaft Seal Service Kit

Released 3/29/2010
Revised General Motors New Vehicle Tire Warranty Program and Global Warranty Management (GWM) Submission Rollout Information (U.S. Dealers Only)

Released 3/4/2010
Car and Truck Fix It Right the First Time Issues

Released 1/14/2010
Refinishing Aluminum Wheels

Released 12/2/2009
Release of Steering Gear Stub Shaft Bearing Kit for Service

Released 11/4/2009
Car and Truck Fix It Right the First Time Issues

Released 10/30/2009
Revised General Motors New Vehicle Tire Warranty Program

Released 7/22/2009
Inspection of Tire and Wheel Size Prior to Diagnosis of Transmission Shifts, Poor Performance, Speedometer, Cruise Control Concerns

Released 6/4/2009
Squeak Noise from Rear of Vehicle (Lubricate Rear Leaf Springs)

Released 6/2/2009
Rear Leaf Spring Slap or Clunk Noise (Replace Spring Inserts)

Released 5/26/2009
Release of Steering Gear Stub Shaft Bearing Kit for Service

Released 4/2/2009
GM Tire Warranty Program Goodwill Guidelines (U.S. Only)

Released 3/31/2009
Use of Chrome or Chrome Plated Steel Valve Caps on Aluminum Valve Stems

Released 3/26/2009
Tire Puncture Repair Procedures for All Cars and Light Duty Trucks

Released 3/17/2009
Release of Steering Gear Stub Shaft Bearing Kit for Service

Released 3/9/2009
Car and Truck Fix It Right the First Time Issues

Released 3/2/2009
Wheel Hub Changes - Gen III vs. Gen II

Released 1/28/2009
Information on Proper Tire Pressure

Released 1/22/2009
Use of Nitrogen Gas in Tires

Released 1/12/2009
Spare Tire is a Different Size Than Other Tires

Released 1/8/2009
Preventing Damage on Dealer Lots During Longer Periods in Dealer Inventory and Maintaining High CSI Scores

Released 11/26/2008
Information on Tire Radial Force Variation (RFV)

Released 11/24/2008
Information on Tire/Wheel Characteristics (Vibration, Balance, Shake, Flat Spotting) of GM Original Equipment Tires

Released 9/17/2008
08-03-10-012: GM Tire Warranty Program Claims Submission Changes (U.S. Only) - (Sep 17, 2008)

Released 9/11/2008
05-03-10-005D: Performance Characteristics of Vehicles with Accessory Wheel/Tire Assemblies Installed as Upsized to Original Equipment - (Sep 11, 2008)

Released 8/29/2008
07-03-10-016C: Requirements for Changing Tire and Wheel Assemblies - New Vehicle Placard (U.S. and Canada Only) - (Aug 29, 2008)

Released 8/28/2008
08-08-44-028: Information on Inadvertent Steering Wheel Control (SWC) Button Press Causing Radio Anomalies) - (Aug 28, 2008)

Released 7/25/2008
05-03-08-002B: Replacement of Shock Absorbers and Struts and Use of Labor Operations E3800, E3801, E3807, E5800, E5801, E5807, E3850, E3857, E5750, E5751 and E5757 - (Jul 25, 2008)

Released 6/27/2008
07-00-89-047B: Technical Assistance Center (TAC) Coverage Available for Current and Last Nine Model Year Vehicles (U.S. Only) - (Jun 27, 2008)

Released 6/27/2008
05-03-07-009B: Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles - (Jun 27, 2008)

Released 6/24/2008
03-00-89-003A: GM Goodwrench Limited Lifetime Service Guarantee - (Jun 24, 2008)

Released 6/11/2008
08-00-89-022: GM Training: June 2008 New Course Information (For U.S. Dealers and Aftermarket) - (Jun 11, 2008)

Released 6/5/2008
07-08-64-022A: Information on Curb Park Assist and Memory Related Issues on Outside Rear View Mirrors - (Jun 5, 2008)

Released 5/16/2008
08-03-10-007: Minimizing Damage to Tire Pressure Monitor (TPM) Sensors During Tire Mounting/Dismounting - (May 16, 2008)

Released 5/12/2008
08-03-16-003: Warranty Reduction - Transfer of Tire Pressure Monitoring (TPM) Sensors to Replacement Wheels and Allowable TPM Sensor Replacements - (May 12, 2008)

Released 5/1/2008
08-03-10-006: Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum wheel Bead Seat Corrosion (Clean and Resurface Wheel Bead Seat) - (May 1, 2008)

Released 5/1/2008
08-03-10-005: Use of Chrome or Chrome-Plated Steel Valve Caps on Aluminum Valve Stems - (May 1, 2008)

Released 4/30/2008
06-00-89-050B: Diagnostic Trouble Codes (DTCs) Required on Repair Orders - (Apr 30, 2008)

Released 4/7/2008
07-03-10-015A: General Motors New Vehicle Wheel Warranty Coverage - (Apr 7, 2008)

Released 3/27/2008
08-03-08-003: Wheel Hub Changes - Gen III vs. Gen II - (Mar 27, 2008)

Released 3/26/2008
00-02-35-003N: Clunking Noise Under Hood and Can Be Felt in Steering Wheel and/or Steering Column (Replace Upper Intermediate Steering Shaft (I-Shaft) Assembly) - (Mar 26, 2008)

Released 3/25/2008
08-03-10-004: Mounting, Balancing and Installation of Accessory Wheels and Tires Available Through GM Accessories - (Mar 25, 2008)

Released 2/7/2008
01-03-10-003E: GM of Canada New Vehicle Limited Warranty Tire Program - (Feb 7, 2008)

Released 2/5/2008
06-02-32-013A: Diagnostic Tips/Recommendations When Power Steering Pump Replacement is Necessary

Released 2/1/2008
04-03-10-012B: Pitting and Brake Dust on Chrome Wheels - (Feb 1, 2008)

Released 1/17/2008
03-03-10-001D: Tire Slowly Goes Flat and/or Excessive Wheel Vibration Caused by Bead Splits (Replace Wheels with New Heavy Duty Rim Version) - (Jan 17, 2008)

Released 1/15/2008
05-03-10-003C: Low Tire Pressure, Leaking Cast Aluminum Wheels (Repair with Adhesive Sealant) - (Jan 15, 2008)

Released 1/9/2008
00-03-10-006C: Information on Tire Radial Force Variation (RFV) - (Jan 9, 2008)

Released 1/7/2008
04-03-10-001D: Tire Puncture Repair Procedure for All Cars and Light Duty Trucks - (Jan 7, 2008)

Released 1/3/2008
05-03-10-020A: Use of Nitrogen Gas in Tires - (Jan 3, 2008)

Released 10/31/2007
06-03-09-004A: Squeak Noise From Rear of Vehicle (Lubricant Rear Leaf Springs) - (Oct 31, 2007)

Released 10/29/2007
00-03-10-003M: Revised General Motors New Vehicle Tire Warranty Program - (Oct 29, 2007)

Released 10/23/2007
00-00-90-002I: Information on Proper Tire Pressure - (Oct 23, 2007)

Released 9/21/2007
03-03-10-007C: Tire/Wheel Characteristics (Vibration, Balance, Shake, Flat Spotting) of GM Original Equipment Tires - (Sep 21, 2007)

Released 8/27/2007
03-08-61-002I: Snap/Popping Type Noise Coming From Front of Vehicle (Remove Bolt-In Front Crossmember and Add Washers) - (Aug 27, 2007)

Released 8/23/2007
07-00-89-043: Warranty Admin. - Use of Parts and Components (Including Control Module Calibrations) Not Issued Through General Motors - (Aug 23, 2007)

Released 7/26/2007
04-02-32-001C: Release of Steering Gear Stub Shaft Bearing Kit for Service - (Jul 26, 2007)

Released 7/25/2007
07-00-89-033: GM Training - June 2007 New Course Information (For U.S. Dealers and Aftermarket) - (Jul 25, 2007)

Released 7/23/2007
03-03-09-002B: Rear Leaf Spring Slap or Clunk Noise (Replace Spring Inserts) - (Jul 23, 2007)

Released 7/18/2007
05-02-32-008B: EI06002 - 670 Gear Box Power Steering Pump, P/S Performance Concerns - (Jul 18, 2007)

Released 6/26/2007
07-00-89-011: GM Training: Course Information (For U.S. Dealers and Aftermarket) - (Jun 26, 2007)

Released 3/7/2007
05-06-01-018A: Accessory Drive Belt Chirp, Squeal or Squeak Type Noise at Cold Idle (Replace A/C Compressor/Power Steering Pump Mounting Bracket or Enlarge Bracket Bolt Holes) - (Mar 7, 2007)

Released 2/6/2007
05-02-118-001A: Quadrasteer Intermittent Service 4-Wheel Steer Message (Cycle Ignition) - (Feb 6, 2007)

Released 1/23/2007
04-07-31-006B: Excessive Shifter and/or Engine Vibration, Bearing Growl and/or Rattle Type Noise While Depressing or Releasing Clutch Pedal (Replace Flywheel and Flywheel Mounting Bolts) - (Jan 23, 2007)

Released 1/12/2007
06-03-06-005A: Vehicle Lean - Left Front Sits Low or Right Rear High (Add Spacer Between Left Rear Spring Pack and Axle) - (Jan 12, 2007)

Released 1/5/2007
04-06-01-012A: Rattle or Crackling Noise From Engine Compartment (Replace Flywheel) - (Jan 5, 2007)

Released 1/4/2007
01-03-10-012C: Info - Guidelines for Using E2020-Wheel Alignments, E2000-Toe Adjust and E0200, E0201, E0203, E0204-Wheel Balance - (Jan 4, 2007)

Released 1/4/2007
01-03-10-010F: Info - Inspection of Tire and Wheel Size Prior to Diagnosis of Transmission Shifts, Poor Performance, Speedometer, Cruise Control Concerns - (Jan 4, 2007)

Released 9/27/2006
03-03-10-006F: Info - 20 Inch Wheels Available Through GM Accessories - (Sep 27, 2006)

Released 9/22/2006
03-00-89-006D: Info - New Vehicle Pre-Delivery Inspection (PDI) - Delivering Quality Vehicles and Generating Higher CSi Scores - (Sep 22, 2006)

Released 9/7/2006
06-03-10-010: Information on Proper Wheel Changing Procedures and Cautions - (Sep 7, 2006)

Released 8/28/2006
02-03-10-001C: Info - Spare Tire is a Different Size than Other Tires - (Aug 28, 2006)

Released 8/1/2006
00-03-10-002D: Info - Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels - (Aug 1, 2006)

Released 6/19/2006
99-08-51-007C: Info - Refinishing Aluminum Wheels - (Jun 19, 2006)

Released 5/16/2006
03-05-25-007C: Antilock Brake (ABS) Activation at Low Speeds (Clean Wheel Speed Sensor Mounting Surface) - (May 16, 2006)

Released 5/11/2006
05-08-49-018A: ASI Resolution - EI05065 - Tire Monitor Message Displayed (Pull/Reinstall IPC Fuse or Verify Correct Passenger Door Module (PDM) and Tires) - (May 11, 2006)

Released 3/9/2006
06-03-08-002: SMU - Revised Upper Control Arm Replacement - (Mar 9, 2006)

Released 3/1/2006
06-03-10-004: Info - Proper Use of OEM Service Wheel Weights, Marring and/or Damage Due to Use of Non-OEM and/or Incorrect Wheel Weight Installation - (Mar 1, 2006)

Released 2/9/2006
06-07-30-006: Diagnostic Information for Front Wheel Drive Transaxle/Transmission Final Drive and/or Front Hub Bearing Hum and/or Grind Noise -(Feb 9, 2006)

Released 1/10/2006
06-02-32-001: Increased Steering and Brake Effort on Hybrid Truck (PHT) (RPO HP2),DTC C0895 Set (Replace Electro-Hydraulic Power Steering (EHPS) Fuse) - (Jan 10, 2006)

Released 11/30/2005
03-03-08-002B: Rattle/Squeak from Front of Vehicle (Replace Lower Portion of Upper Insulator Assembly) - (Nov 30, 2005)

Released 11/2/2005
03-03-10-002B: Info - Use of Correct Installation Procedure for Loose Hubcap Assembly - (Nov 2, 2005)

Released 10/17/2005
04-00-89-020B: Info - Pre-Delivery and Service Guide - Parallel Hybrid Truck (PHT) (RPO HP2) - (Oct 17, 2005)

Released 4/14/2005
05-06-04-008A: Diagnostic Trouble Code (DTC) P1172 or P2636, Fuel Gauge Reads Empty, Service Engine Soon (SES) Light On (Relocate Auxiliary Fuel Tank Vent Hose) - (Apr 14, 2005)

Released 4/12/2005
05-03-08-006: SMU - Revised Stabilizer Shaft Link Replacement Procedure and Fastener Tightening Specifications - (Apr 12, 2005)

Released 3/24/2005
02-03-07-002A: Info - Revised Front Caster and Camber Adjustment Procedure - (Mar 24, 2005)

Released 3/21/2005
03-05-24-001A: Service Information Regarding Rear Brake Drum Wheel Cylinder Inspections - (Mar 21, 2005)

Released 3/17/2005
VSS20050436: Adm Msg - Steering Idler Arm Inspection Procedure - (Mar 17, 2005)

Released 2/3/2005
05-02-118-002: DTC C0455, Service Rear Wheel Steering, System Jumps from 4-Wheel Steer to 2-Wheel Steer (Reprogram BCM) - (Feb 3, 2005)

Released 11/10/2004
04-03-07-002A: Warranty Admin. - New Alignment Procedure for Labor Operation Numbers E2020 and E2000 - (Nov 10, 2004)

Released 6/22/2004
04-05-23-005: Info - Availability of Rear Wheel Mud Flaps to Reduce Debris Build-up on Rear Brake Calipers and/or Rear Wheels - (Jun 22, 2004)

Released 5/6/2004
99-03-08-002B: Front Suspension Coil Spring Noise (Install New Coil Spring Insulator) - (May 6, 2004)

Released 4/29/2004
04-06-01-013: Information on Serpentine Belt Wear - (Apr 29, 2004)

Released 3/23/2004
Adm Msg - Wheel Alignment Questionnaire (Fax Number Change)

Released 3/2/2004
04-04-95-001: SMU - Revised Wheel Drive Shaft Nut Torque Specification - (Mar 2, 2004)

Released 2/5/2004
02-00-89-005A: Warranty Admin. - Dealer Disclosure Requirements - (Feb 5, 2004)

Released 9/19/2003
03-00-89-027: Warranty Admin. - Sublet Administrative Allowance (Coverage: S) Labor Operations - (Sep 19, 2003)

Released 5/27/2003
00-05-23-005B: Right Rear Inner Brake Pad Wear (Install Rear Wheel Mud Flaps) - (May 27, 2003)

Released 4/24/2003
03-00-89-010: Info - Bulletins Released Week of April 14, 2003 and Car and Truck Fix It Right the First Time Issues - (Apr 24, 2003)

Released 1/27/2016
Light and Medium Duty Truck Warranty, Crossline Warranty Eligibility and Guidelines for Chevrolet/GMC Dealers

Released 1/21/2016
Light and Medium Duty Truck Warranty, Crossline Warranty Eligibility and Guidelines for Chevrolet/GMC Dealers

Released 12/5/2014
Information for Dealers on How to Submit a Product Information Report (PIR) (Canada Only)

Released 12/5/2014
New Tool Availability - EN-48974 - EGR Cooler Pressure Tester Adapter Set to Diagnose Duramax Diesel Engine EGR Cooler Engine Coolant Leaks into Combustion Chamber

Released 7/16/2014
Duramax Diesel Glow Plugs Difficult to Install Due to Carbon Buildup - New Glow Plug Bore Reamer Available

Released 5/22/2014
Warranty Code Generated By EL-50313 Midtronics GR8 Battery Tester/Charger Required for Claim Processing On Labor Operation 4041510, 4041520 and 250 Mile/400 Km Labor Operation Restriction (North America ONLY)

Released 6/7/2013
IPC Odometer Programming Method Quick Reference Guide

Released 3/1/2013
Paint-less Dent Repair Process

Released 1/1/2013
IPC Odometer Programming Method Quick Reference Guide

Released 3/19/2012
Hem Flange Rust Repair

Released 3/5/2012
Warranty, SPS, Control Module Diagnostics and Configuration Information, Programming, Set-Up

Released 10/24/2011
Use of Surface Conditioning Disks When Cleaning Engine Gasket Sealing Surfaces and/or Reused Engine Parts

Released 10/22/2011
Information for Dealers/Technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only)

Released 10/22/2011
Warranty Code Generated By EL-50313 Midtronics GR8 Battery Tester/Charger Required for Claim Processing On Labor Operation 4041510 and Battery Part Restriction (North America ONLY)

Released 8/10/2011
Comeback Prevention Information and Using Customer Concern Verification Sheets (CCVS)

Released 7/22/2011
Clarification of Use - Dealer Empowerment Labor Operations and Customer Enthusiasm

Released 6/17/2011
Improperly Formatted SI Screen Characters

Released 5/23/2011
Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information

Released 5/19/2011
IPC Odometer Programming Method Quick Reference Guide

Released 5/9/2011
Information for Dealers on How to Submit a Product Information Report (PIR) (Canada Only)

Released 5/5/2011
Change in Product Field Action Customer Reimbursement Procedure (U.S. Dealers Only)

Released 4/18/2011
New Tool Availability - EN-48974 - EGR Cooler Pressure Tester Adapter Set to Diagnose Duramax Diesel Engine EGR Cooler Engine Coolant Leaks into Combustion Chamber

Released 4/7/2011
Expediting Warranty Parts

Released 3/2/2011
Automatic Transmission Oil Cooler Flush and Flow Test Essential Tool J-45096 TransFlow

Released 11/19/2010
Application of Anti-Corrosion Materials

Released 5/26/2010
Warranty Return Parts

Released 3/29/2010
Revised General Motors New Vehicle Tire Warranty Program and Global Warranty Management (GWM) Submission Rollout Information (U.S. Dealers Only)

Released 2/15/2010
Warranty, SPS, Control Module Diagnostics and Configuration Information, Programming, Set-Up

Released 1/21/2010
Diagnostic Information to Accurately Diagnose A/C Low Pressure Switch Using Kent Moore Special Tool GE-47742

Released 12/18/2009
New Tool Availability - EN-48974-EGR Cooler Pressure Tester Adapter Set to Diagnose Duramax Diesel Engine EGR Cooler Engine Coolant Leaks into Combustion Chamber

Released 11/11/2009
New Labor Operation Codes for Dealer-Installed GM Accessories Replaced During Warranty Coverage Period

Released 7/16/2009
Technical Assistance Center (TAC) Coverage Available for Current and Last Nine Model Year Vehicles (U.S. Only)

Released 6/22/2009
Bumps or Rust Colored Spots in Paint Due to Rail or Iron Dust (Remove Rail Dust)

Released 4/2/2009
Warranty Administration - GM Dealer Empowerment Program and Goodwill Procedures

Released 4/1/2009
Warranty Administration - Policies for Used Vehicles Purchased Through GM-Sponsored Auctions (SB 09074)

Released 3/31/2009
Warranty Administration - Labor Operation Z1111 - Suspected Tampering or Vehicle Modifications

Released 3/23/2009
Enhancing Field Product Reports with Digital Pictures

Released 3/12/2009
08-08-51-002: New Primer For TPO Fascias and Affected Cleaning Process of Painting Operation - (Mar 12, 2008)

Released 2/3/2009
Hem Flange Rust Repair

Released 12/10/2008
General Motors Dealership Critical Equipment Requirements and Recommendations

Released 10/30/2008
Procedure to Take Snapshot Data with a Tech 2 and Upload Data to Computer Using TIS Software

Released 10/16/2008
08-00-89-037: CSO Surcharges Not Allowed on Warranty Claims - (Oct 16, 2008)

Released 6/24/2008
03-00-89-003A: GM Goodwrench Limited Lifetime Service Guarantee - (Jun 24, 2008)

Released 3/27/2008
08-06-01-008: Diagnosing Accessory Drive Belt/Serpentine Belt Noise and Availability and Use of Kent-Moore EN-49228 Laser Alignment Tool - Drive Belt - (Mar 27, 2008)

Released 2/22/2008
02-07-30-052E: Automatic Transmission Oil Cooler Flush and Flow Test Essential Tool J 45096 TransFlow - (Feb 22, 2008)

Released 1/25/2008
08-01-38-001: Information on New GE-48800 CoolTech Refrigerant Recovery/Recharge Equipment - (Jan 25, 2008)

Released 1/18/2008
04-08-44-005C: Utilizing Tech 2 to Retrieve Part Numbers for Radios, Compact Disc (CD) Changers and Instrument Panel Clusters (IPC) - (Jan 18, 2008)

Released 1/10/2008
08-06-04-003: New Tool Availability - EN-48974 - EGR Cooler Pressure Tester Adapter Set to Diagnose Duramax Diesel Engine EGR Cooler Leaks into Combustion Chamber - (Jan 10, 2008)

Released 10/2/2007
05-06-01-019F: Engine Oil Leak at Crankshaft Rear Main Oil Seal (Install Revised Crankshaft Rear Main Oil Seal Using Revised Rear Main Seal Installer and Remover Tools) - (Oct 2, 2007)

Released 6/27/2007
07-01-38-004: Information on GM ACR2000 (J-43600) and New Refrigerant Recovery Recharging Equipment SAE J2788 - (Jun 27, 2007)

Released 6/26/2007
07-00-89-025: GM Training: April 2007 New Course Information (For U.S. Dealers and Aftermarket) - (Jun 26, 2007)

Released 4/23/2007
05-08-51-008B: Bumps or Rust Colored Spots in Paint Due to Rail or Iron Dust (Remove Rail Dust) - (Apr 23, 2007)

Released 2/17/2006
06-08-45-001: Information on Changes to the SI Table of Contents, Electrical Connectors, Terminal Testing/Repair and the Importance of J-38125 Terminal Repair Kit Maintenance - (Feb 17, 2006)

Released 11/21/2005
99-08-51-001A: Info - Paint-less Dent Repair Process - (Nov 21, 2005)

Released 10/21/2005
05-06-04-067: Information on New Essential Tool EN-47909 Injector Bore Cleaning Kit for 6.6L Duramax Diesel Engine (RPOs LB7, LBZ, LLY) - (Oct 21, 2005)

Released 6/8/2005
05-05-22-001: Info - On-Car Brake Lathe Specifications and Maintenance Requirements - (Jun 8, 2005)

Released 5/12/2005
05-06-02-006: Instructions for Using GE-47716 Vac-N-Fill Coolant Refill Tool - (May 12, 2005)

Released 1/25/2005
05-07-30-002: Info - New Essential Tool J 45096-23 Automatic Transmission Oil Cooler Line Adapter for Allison Transmission - (Jan 25, 2005)

Released 10/11/2004
03-08-98-002A: Info - Squeeze Type Resistance Spot Welding/Equipment - (Oct 11, 2004)

Released 9/14/2004
01-01-38-006D: Info - Contaminated R-134a A/C Systems - Air Conditioning System Flushing Procedures and Universal In-Line A/C Filter Installation - (Sep 14, 2004)

Released 8/5/2004
04-01-38-010: Info - Diagnostic Information to Accurately Diagnose A/C Low Pressure Switch Using New Kent Moore Special Tool GE-47742 - (Aug 5, 2004)

Released 6/22/2004
99-01-38-006B: Info - J-43600 ACR 2000 Essential Refrigerant Recovery/Recharge Equipment - (Jun 22, 2004)

Released 4/13/2004
Adm Msg - Alignment Questionnaire

Released 2/5/2004
02-00-89-005A: Warranty Admin. - Dealer Disclosure Requirements - (Feb 5, 2004)

Released 7/14/2003
01-08-97-001B: Info - HomeLink Transceiver/Garage Door Opener Transmitter Test Kit Available As Essential Tool - (Jul 14, 2003)

Released 6/25/2003
03-07-30-027: Info - Most Frequently Asked Questions and Answers for J 45096 TransFlow Transmission Oil Cooling System Flushing Machine - (Jun 25, 2003)

Released 4/29/2003
02-00-89-004B: Warranty Admin. - Courtesy Transportation Program - (Apr 29, 2003)

Released 4/24/2003
03-00-89-010: Info - Bulletins Released Week of April 14, 2003 and Car and Truck Fix It Right the First Time Issues - (Apr 24, 2003)

Released 6/27/2008
07-00-89-047B: Technical Assistance Center (TAC) Coverage Available for Current and Last Nine Model Year Vehicles (U.S. Only) - (Jun 27, 2008)

Released 6/24/2008
03-00-89-003A: GM Goodwrench Limited Lifetime Service Guarantee - (Jun 24, 2008)

Released 8/27/2007
03-08-61-002I: Snap/Popping Type Noise Coming From Front of Vehicle (Remove Bolt-In Front Crossmember and Add Washers) - (Aug 27, 2007)

Released 6/8/2007
06-08-43-003A: Windshield Wiper Performance, Cleaning Instructions and Maintenance - (Jun 8, 2007)

Released 9/22/2006
03-00-89-006D: Info - New Vehicle Pre-Delivery Inspection (PDI) - Delivering Quality Vehicles and Generating Higher CSi Scores - (Sep 22, 2006)

Released 4/14/2004
04-08-43-003: Info - Replacement of Windshield Wiper Inserts - (Apr 14, 2004)

Released 2/5/2004
02-00-89-005A: Warranty Admin. - Dealer Disclosure Requirements - (Feb 5, 2004)

Released 4/24/2003
03-00-89-010: Info - Bulletins Released Week of April 14, 2003 and Car and Truck Fix It Right the First Time Issues - (Apr 24, 2003)