Get Free 2011 CHEVROLET SILVERADO V8, 6.2L; OHV; 16V; SEFI; FFV TSBs

Released 1/11/2019
Tailgate and Cargo Loop Capacity

Released 12/10/2018
Information on Available BCM Calibrations to Restore Bulb Outage Detection on Vehicles Produced by a Second Stage Manufacturer (Upfitter), Turn Signals Flash Fast after Factory Box Removed

Released 3/12/2018
Normal Characteristic - Sag Or Hesitation On Acceleration

Released 3/9/2018
Customer Satisfaction Program - Vehicle Communication Interface Module (VCIM) Programming Not Completed

Released 3/5/2018
Fleet Key Option - Adding Keys / Converting

Released 2/28/2018
Red LED, No WiFi Operation, and/or Limited OnStar Module Functionality After OnStar Module Replacement for Another Condition

Released 2/2/2018
Information on Available BCM Calibrations to Restore Bulb Outage Detection on Vehicles Produced by a Second Stage Manufacturer (Upfitter), Turn Signals Flash Fast after Factory Box Removed

Released 12/4/2017
Engineering Information - California Only - Pilot Initiative - Urgent Service Action Required

Released 11/21/2017
Water / Dust Through Openings Under The Bed Rails Near The Stake Pockets Or Gap At Tailgate

Released 11/20/2017
Diagnostic Tip- Information for U0140 or U0073 (BCM Appears Off Line On The High Speed Buss)

Released 10/16/2017
Tailgate And Cargo Loop Capacity

Released 9/28/2017
Diagnostic Tip: OnStar Vehicles with B101D and Symptom Codes

Released 7/25/2017
Information on How to Prevent Inadvertent Vehicle Starting from Key Fob or OnStar Mobile Application

Released 6/20/2017
Fuel Leak, Fuel Smell/Odor, Rubbing/Grinding/Clanking/Hitting/Banging/Popping/Thumping Noise from Under Vehicle, Fuel Gauge Reading Inaccurate

Released 5/16/2017
Tailgate and Cargo Loop Capacity

Released 5/2/2017
Accessory Soft Tonneau Cover Loose

Released 3/7/2017
Fleet Key Option - Adding Keys / Converting

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

Released 2/1/2017
Normal Characteristic - Bump Feel Or Clunk Noise After A Stop

Released 12/19/2016
Information on Mounting Points for Pickup Box Accessories

Released 12/19/2016
Information on Exhaust Fluid Range, Exhaust Fluid Quality Poor, Service Exhaust Fluid System or Service Emission System Driver Information Center Messages

Released 12/1/2016
Hybrid 2-Mode Vehicle Stalls on Auto Start DTC P0BBD

Released 11/16/2016
Diagnostic Tip for Excessive Smoke From Tail Pipe, DTC P2002 Set

Released 11/15/2016
Diagnostic Information for Supplemental Inflatable Restraint (SIR) System, Intermittent AIR BAG Indicator/Lamp Illuminated with DTC(s) B0012, B0013, B0015, B0016, B0019, B0020, B0022, B0023, B0026, B0033, B0040, B0042 or B0044 Set

Released 9/30/2016
Intermittent MIL/Check Engine Light On, DTC P013B and P013D Set

Released 9/30/2016
Park Assist Blocked See Owners Manual Displayed in Driver Information Center (DIC)

Released 9/30/2016
Engine Oil Leak at Engine Oil Cooler Hose/Pipe Adapter to Engine Connection (Diagnose and Repair as Outlined)

Released 9/30/2016
Inadvertent Horn, Light, Remote Start, Lock/Unlock Activation or Charging Schedule Change

Released 9/30/2016
Information on USB Cable and Receptacle for Service

Released 9/30/2016
Diagnostic Tips for Difficult to Resolve Tire/Wheel Vibration Concerns

Released 9/30/2016
Service Guide, Unique Characteristics and Normal Operating Conditions for Two-Mode Hybrid Models

Released 9/30/2016
Service Theft Deterrent Message Displayed in Driver Information Center (DIC)

Released 9/30/2016
Rattle from Back of Cab While Driving Over Sharp Bumps

Released 9/30/2016
Diagnostic Tips for DTC P0796, Slip or No 4th, 5th or 6th Gear

Released 9/30/2016
Generation 9 OnStar Modules Inoperative, Bluetooth Inoperative and Possible Battery Discharge Condition

Released 9/30/2016
Information on USB Command and Control Multimedia Player Interface/List of Supported Devices

Released 9/30/2016
Transfer Case Output Shaft Slinger and Seal Revision

Released 9/30/2016
Engine Control Module DTC P2610 (Control Module Ignition Off Timer Performance) Setting Malfunction Indicator Lamp (MIL)

Released 9/30/2016
Appearance of Discoloration or Corrosion Near Edges/Openings on Chrome Bumpers

Released 9/30/2016
Diagnosis and Repair HVAC Blower Function

Released 9/30/2016
Information on USB Command and Control Multimedia Player Interface/List of Supported Apple Devices

Released 9/12/2016
Dent/Ripple Appearance Around Wheel Well Opening

Released 8/1/2016
Information on Diesel Exhaust Fluid (DEF)

Released 7/28/2016
Engine Misfire, Ticking/Knocking Noise, No Compression due to Piston Damage, Malfunction Indicator Lamp (MIL) Illuminated

Released 6/29/2016
Inner Door Panel Pull Handle Area Broken

Released 6/22/2016
Filling the Cooling System, Diagnosing and Replacing Leaking Cylinder Head Gaskets on a 6.6 Duramax Diesel

Released 3/1/2016
2-MODE (HYBRID) Navigation Radio Will Not Display Current Hybrid Mode

Released 2/29/2016
Replacement Information for Broken T-Bolt on Negative and/or Positive Battery Cable Terminal

Released 2/19/2016
Ambient Temperature Display Not Reading Outside Temperature at Times or A/C Compressor Inoperative Due To Low Ambient Temperature

Released 2/9/2016
Cold Engine Tick Noise That May Last Up To 50 Seconds

Released 12/14/2015
Important - Accessories Available Through Integrated Business Partners

Released 12/14/2015
Diagnostic Tip - Exhaust Fluid Low - Exhaust Fluid Empty - Exhaust Fluid Range and Service Exhaust Fluid Messages Difficult To Reset - Including Cold Weather Operation

Released 11/12/2015
Information on Available BCM Calibrations to Restore Bulb Outage Detection on Vehicles Produced by a Second Stage Manufacturer (Upfitter), Turn Signals Flash Fast after Factory Box Removed

Released 11/6/2015
Diagnostic Tips for Reduced Acceleration at Low Speed and/or Transmission Slipping from a Launch, DTC P0751 Set

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

Released 10/31/2015
Information on Voltmeter Gauge Fluctuation Due to Regulated Voltage Control System and Concerns About Camper/Trailer Battery Charging

Released 10/31/2015
Diagnostic Tip for Vibration, Shudder or Roughness While Driving at Low Steady Speeds in V4 Mode

Released 10/31/2015
Inspect XM/Cellular Mobile Phone/OnStar Antenna for Looseness or Damage, XM/Cellular/OnStar Reception Performance Degraded, Rattle/Flutter/Squeak Noise, Wind Noise/Whistle at Highway Speeds, Water Leak on Headliner at Sunvisor

Released 10/31/2015
Engine Oil Consumption on Aluminum Block/Iron Block Engines with Active Fuel Management (AFM) (Install AFM Oil Deflector and Clean Carbon from Cylinder and/or Install Updated Valve Cover)

Released 10/31/2015
Product Safety - Chassis Electronic Control Module Internal Contamination

Released 10/31/2015
Inspect XM/Cellular Mobile Phone/OnStar Antenna for Looseness or Damage, XM/Cellular/OnStar Reception Performance Degraded, Rattle/Flutter/Squeak Noise, Wind Noise/Whistle at Highway Speeds, Water Leak on Headliner at Sunvisor

Released 10/31/2015
Dent/Ripple Appearance Around Wheel Well Opening

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

Released 8/29/2015
Wax Coating on Frame Peeling, Metal Shows Corrosion/Rusting (U.S. and Canada Only)

Released 8/22/2015
Gauge Fluctuation, Various DTCs, Wiring Harness Chafing/Rubbing on A/C Line

Released 8/1/2015
Information for Identifying Non-GM ECM Calibration Use and Power-up Hardware Detection in Duramax Diesel Engines - Photograph Tech 2 Calibration IDs, Calibration Verification Numbers (CVNs) and Transmission Data Screen

Released 7/18/2015
Wax Coating on Frame Peeling, Metal Shows Corrosion/Rusting (U.S. and Canada Only)

Released 6/27/2015
SES Lamp With Camshaft Actuator Codes After SI Diagnosis Have Been Followed

Released 6/27/2015
Loss of High Speed GMLAN Communications, Intermittent No Crank, IP Gauge Fluctuation, Intermittent Door Lock Cycling / Chime Operation, Various IP Warning Lamps Illuminated, Transmission May Not Shift, Communication DTCs U0073, U0100, U0101, U0102, U0109,

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

Released 5/16/2015
Low Beam Headlamp Bulb Diagnosis/Replacement (Inspect Bulb and Connector)

Released 5/12/2015
Customer Satisfaction - Rear Axle Grinding Noise, Vibration - Inspect Rear Axle

Released 5/2/2015
Various Vehicle Handling Concerns Suspension Noise Or Damaged Suspension Components Due To Vehicle Modifications

Released 4/25/2015
Inspect XM/Cellular Mobile Phone/OnStar Antenna for Looseness or Damage, XM/Cellular/OnStar Reception Performance Degraded, Rattle/Flutter/Squeak Noise, Wind Noise/Whistle at Highway Speeds, Water Leak on Headliner at Sunvisor

Released 4/11/2015
Malfunction Indicator Lamp (MIL) Illuminated, Fuel Tank Hard to Fill, DTCs P0442, P0446, P0455 or P0449 Set

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

Released 3/28/2015
Aftermarket ALDL or DLC Interface Devices Causing Multiple Issues

Released 11/13/2014
6.6L Duramax Fuel Injection Pump Part Restriction

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

Released 11/11/2014
Intermittent Battery Draw Dead Battery Or HVAC Odor

Released 11/11/2014
Speedometer Needle Accuracy Information

Released 11/4/2014
Engine Oil Consumption on Aluminum Block/Iron Block Engines with Active Fuel Management (AFM) (Install AFM Oil Deflector and Clean Carbon from Cylinder and/or Install Updated Valve Cover)

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 8/15/2014
Duramax Diesel Airflow Leak Equivalency Ratio Or Induction System Leak Indication And P0101

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

Released 8/7/2014
Check Trailer Wiring Message Displayed On DIC

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

Released 7/30/2014
DIC Message Press Check To Turn Off Motion Sensor

Released 7/17/2014
Tapping, Clicking or Ticking Noise at Windshield Area (R and R Right and Left Windshield Side Reveal Moldings to Add Double Sided Tape)

Released 7/17/2014
Dust Intruding into Cabin Interior

Released 7/17/2014
High Voltage Safety - High Voltage Disabling

Released 7/15/2014
Service Hybrid System Message, MIL or Loss of Propulsion with DTC P1ABE, P0A7E or P0C32 Set

Released 7/14/2014
Powertrain and Various Electrical/Electronic Control Issues

Released 7/11/2014
Information Regarding A/C Service Valve Tethered Cap Requirements in the State of Idaho

Released 7/8/2014
Procedure For Emailing Global Diagnostic System 2 (GDS2) Session Log To

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

Released 6/5/2014
Water/Dust Through Openings Under The Bed Rails Near The Stake Pockets

Released 5/16/2014
DTC Symptom Byte Documentation

Released 5/8/2014
TAC 2ML70 (Two-Mode Hybrid) Transmission Restriction Process

Released 3/25/2014
Removing / Disabling Rear Park Assist RPO UD7

Released 2/6/2014
Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel Bead Seat Corrosion (Clean and Resurface Wheel Bead Seat)

Released 2/1/2014
No Audio On Certain XM Radio Channels

Released 1/25/2014
Diagnostic Tip - Driver Or Passenger Door Module DTC B2555

Released 1/24/2014
GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period

Released 1/22/2014
Speedometer Needle Accuracy Information

Released 1/22/2014
GM Accessory Heated Seats Inoperative After Installation

Released 1/4/2014
Proper Wheel Installation and Wheel Torque Techniques

Released 11/26/2013
Normal Characteristic - EZ Lift Tailgate Operation

Released 11/25/2013
Various Concerns Related To The IP Backlighting, Cruise Control, Steering Wheel Controls, Horn

Released 10/18/2013
Sweeping Whine Noise Increase/Decrease from Audio System on Lower AM Band Stations

Released 10/4/2013
Diagnostic Tip: Diagnosing Vehicles with OnStar DTC B101D-37

Released 8/29/2013
Wax Coating on Frame Peeling, Metal Shows Corrosion/Rusting

Released 8/28/2013
Wax Coating on Frame Peeling, Metal Shows Corrosion/Rusting

Released 8/28/2013
Wax Coating on Frame Peeling, Metal Shows Corrosion/Rusting

Released 7/19/2013
Power Steering Noise or Fluid Leak from Power Steering Pump, Gear or High Pressure Hose During Extreme Low Temperature Conditions

Released 7/19/2013
Rear Door Exterior Paint Finish Chipped, Cracked or Scratched Along Rear Corner of Rear Side Door Reveal Molding

Released 6/25/2013
Swapping Outside Rearview Mirrors RPOs DL8 / DL3 / DPN

Released 6/19/2013
Correct Selection Of Labor Codes

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

Released 6/19/2013
Dealership Service Consultant Procedure as Vehicle Comes into Service Drive for Tire Pressure Monitor (TPM) System Message, Light and Customer 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
Information on Slight Vehicle Movement in Park at Start Up After Cold Soak

Released 6/7/2013
Back Up Alarm Inoperative And Needs To Be Connected During PDI

Released 5/31/2013
Unexpected Loss of Radio Audio (Radio Goes Silent/No Sound) and Other Blackberry Phone - Bluetooth Issues

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 3/22/2013
New Service Cam Bearings For Gen IV V8 Engines

Released 3/1/2013
No Crank/No Start, Dead Battery Due to Parasitic Drain/Discharge

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

Released 2/17/2013
Tailgate Cable Slack

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

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

Released 2/11/2013
Prior To Any Circuit Testing

Released 1/1/2013
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)

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 5/7/2012
Service Engine Soon Light On, Rough Running Engine, Cracked or Oil Fouled #1 and/or 7 Spark Plug

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

Released 3/19/2012
Hem Flange Rust Repair

Released 1/19/2012
Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability

Released 1/19/2012
Damaged, Disassembled or Improperly Packaged Turbochargers Returned to Warranty Parts Center

Released 1/19/2012
Properly Maintaining Vehicles in Dealer Inventory

Released 1/14/2012
Properly Maintaining Vehicles in Dealer Inventory

Released 1/13/2012
Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability

Released 1/13/2012
Properly Maintaining Vehicles in Dealer Inventory

Released 1/13/2012
Properly Maintaining Vehicles in Dealer Inventory

Released 1/12/2012
Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability

Released 11/27/2011
Loss of Communication with Allison TCM, Intermittent Transmission Hesitation, Reduced Torque, Range Inhibit, Clunk, Stuck in Gear or Neutral, Wont Shift, DTC P0880 and/or U0101 Set

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 10/17/2011
Safety Belt Locking Conditions (Normal Operating Characteristics)

Released 10/13/2011
Eliminating Unwanted Odors in Vehicles

Released 8/1/2011
Proper Removal and Installation of Roof Console for any Related Service Repairs

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 7/20/2011
Carpet Curling at Front Edge (Install Velcro Fastener)

Released 7/19/2011
Left or Right Outside Rearview Mirror Glass Shake or Flutter (Relearn Power Mirrors and Replace Mirror, if Necessary)

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

Released 6/22/2011
Roof Panel Flutters or Rattle Noise from Roof or Headliner when Closing Doors (Apply Foam)

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

Released 6/7/2011
Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability

Released 5/13/2011
Instrument Panel (IP) HVAC Air Outlet Deflector Knob Chrome Insert Loose/Missing (Install Updated Design Chrome Insert)

Released 4/18/2011
Sunshade (Sun Visor) Fails to Stay in Position (Re-seat Detent Spring)

Released 4/18/2011
Chrome Outside Door Handle Loose/Cracked at Attachment Screw (Replace Handle)

Released 4/14/2011
New Vehicle Pre-Delivery Inspection (PDI) - Delivering Quality Vehicles and Generating Higher CSi Scores

Released 4/13/2011
Body Colored Side Moldings Dull, Discolored, Stained (Clean and Polish Moldings)

Released 4/13/2011
Sticking/Binding Door Mounted Seat Switches (Align Switch)

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

Released 4/11/2011
Headliner Wet, Water Leak into Cab, Water Leak Past Sunroof Glass Weatherstrip/Seal (Inspect Sunroof Weatherstrip/Seal and Replace If Necessary)

Released 4/8/2011
Front Door Window Regulator Squeak Noise When Operated (Apply Lubricant)

Released 4/6/2011
Front Seat Cushion Cover Becomes Detached (Add Push Pin Fasteners to J-Retainer)

Released 4/6/2011
Passenger Side Air Bag Door Not Flush with Dash Pad/Warped (Reposition Locking Tabs on Air Bag Panel)

Released 4/6/2011
Left or Right Power Outside Mirror Inoperative (Inspect Wire Harness)

Released 4/6/2011
Tapping, Clicking or Ticking Noise at Windshield Area (Rand R Right and Left Windshield Side Reveal Moldings to Add Double Sided Tape)

Released 3/30/2011
Front and/or Rear Wheelhouse Panel Liner Wavy or Warped (Apply Heat and Reform Wheelhouse Panel Liner)

Released 3/24/2011
Information on Driver or Passenger Seat Head Restraint Concerns with Comfort, Custom Upholstery or Other Comfort Enhancing Devices

Released 3/21/2011
Car and Truck Fix it Right the First Time Issues

Released 3/8/2011
Excessive Wind Noise Coming from Rear Interior of Vehicle (Perform Repair as Outlined)

Released 3/1/2011
Paint-less Dent Repair Process

Released 2/24/2011
Properly Maintaining Vehicles in Dealer Inventory

Released 2/21/2011
Front Seat Cushion Cover Becomes Detached (Add Push Pin Fasteners to J-retainer)

Released 2/21/2011
Windshield Wiper Performance, Cleaning Instructions and Maintenance

Released 2/16/2011
Information on Body Mount Bolt Stripped or Will Not Loosen

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

Released 1/13/2011
Driver or Passenger Heated Seat Inoperative, Slow to Warm, DTC(s) Set (Repair Connector, Re-Route Harness)

Released 1/4/2011
Roll Up Soft Tonneau Cover Appears Loose or Latch Not Functioning Properly (Adjust Upper Side Rail Clamps and/or Rails and/or Replace Rear Latch)

Released 12/23/2010
One-Piece Hard Tonneau Cover Fits Loose on Vehicle or Rear Tonneau Latch Not Functioning Properly (Adjust Rear Latch and Align Tonneau Cover)

Released 12/23/2010
Information on Passenger Presence Sensing System (PPS or PSS) Concerns with Custom Upholstery, Accessory Seat Heaters or Other Comfort Enhancing Devices

Released 12/21/2010
Warranty Information-Fascia Refinish Labor Operations

Released 11/22/2010
Information on Side Door Body Mounted Primary Weatherstrip Replacement

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

Released 10/21/2010
Safety Belt Locking Conditions (Normal Operating Characteristics)

Released 10/14/2010
Warranty Administration-Warranty Claims Submission-Outside Rearview Mirrors

Released 10/13/2010
Pass Side Air Bag Door Not Flush with Dash Pad/Warped (Reposition Lock Tabs on Panel)

Released 10/4/2010
Information on Mounting Points for Pickup Box Accessories

Released 9/14/2010
Car and Truck Fix It Right the First Time Issues

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

Released 9/9/2010
Minor Wrinkles, Discoloration, Cuts on Seats with Leather, Vinyl or Cloth Seat Covers

Released 8/24/2010
EI08028-Intermittent, Inoperative Remote Keyless Entry (RKE) (Reprogram Key Fobs)

Released 7/27/2010
Tapping, Clicking or Ticking Noise at Windshield Area (R and R Right and Left Windshield Side Reveal Moldings to Add Double-Sided Tape)

Released 7/23/2010
Service Guide, Unique Characteristics and Normal Operating Conditions for Two-Mode Hybrid Models

Released 7/14/2010
New Model Features and Service Guide

Released 6/30/2010
Information on Hem Flange Sealer for Corrosion Protection

Released 6/21/2010
Driver or Passenger Heated Seat Inoperative, Slow to Warm, DTC(s) Set (Repair Connector, Re-Route Harness)

Released 6/15/2010
Information on Adjusting Outside Rearview Mirrors

Released 6/15/2010
Information on Difficult to Install Fixed Radio Antenna Mast

Released 5/27/2010
Key Code Security Rules and Information on GM KeyCode Look-Up Application (Canada Only)

Released 5/27/2010
Key Code Security Rules and Information on GM KeyCode Look-Up Application (U.S. Only)

Released 4/28/2010
New Vehicle Pre-Delivery Inspection (PDI) - Delivering Quality Vehicles and Generating Higher CSi Scores

Released 4/27/2010
Interior Cleaning-Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer-Product Availability

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

Released 2/9/2010
2011 Model Year Light Duty Truck - Vehicle Identification Number (VIN) Structure Changes

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

Released 11/18/2016
(HYBRID) ABS Light On After Sequential Programming

Released 9/22/2016
(Hybrid) 2-Mode GM TAC Part Restriction for EBCM & BPMV has ended

Released 9/14/2016
Service StabiliTrak Message Displayed in DIC, StabiliTrak Indicator Light On, DTC C0455 and/or C0710 Set

Released 5/11/2016
Brake Pedal Moves Or Self Applies At Full Turns

Released 5/3/2016
(Hybrid) 2-Mode GM TAC Part Restriction for EBCM & BPMV

Released 3/1/2016
2 MODE HYBRID Additional Information On Bleeding The Brakes

Released 1/25/2016
Service StabiliTrak Message Displayed in DIC, StabiliTrak Indicator Light On, DTC C0455 and/or C0710 Set

Released 10/31/2015
Product Safety - Chassis Electronic Control Module Internal Contamination

Released 10/31/2015
Product Safety - Chassis Electronic Control Module Internal Contamination

Released 10/24/2013
Adding Integrated Trailer Brake Controller RPO JL1

Released 6/10/2013
Service Malfunction Indicator Light Or Service Anti-Lock Brake System Message Displayed In The Drivers Information Center

Released 3/22/2013
Aftermarket ALDL or DLC Interface Devices Causing Multiple Issues

Released 1/19/2012
Properly Maintaining Vehicles in Dealer Inventory

Released 1/14/2012
Properly Maintaining Vehicles in Dealer Inventory

Released 1/13/2012
Properly Maintaining Vehicles in Dealer Inventory

Released 8/17/2011
Service Guide, Unique Characteristics and Normal Operating Conditions for Two-Mode Hybrid Models

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

Released 4/19/2011
Disc Brake Warranty Service and Procedures

Released 4/13/2011
Brake Induced Pulsation/Vibration Felt in Steering Wheel, Rumble Noise from Underbody During Downhill Descent (Verify Condition and Replace Front Brake Pads)

Released 3/21/2011
Car and Truck Fix it Right the First Time Issues

Released 11/9/2010
Procedure for Installation of an Aftermarket Trailer Brake Controller

Released 11/8/2010
Brake Induced Pulsation/Vibration Felt in Steering Wheel, Rumble Noise from Underbody During Downhill Descent (Verify Condition and Replace Front Brake Pads)

Released 7/23/2010
Service Guide, Unique Characteristics and Normal Operating Conditions for Two-Mode Hybrid Models

Released 7/12/2010
Procedure for Installation of Aftermarket Trailer Brake Controller in Lieu of Factory Installed Integrated Trailer Brake Controller

Released 7/12/2010
Information on Auxiliary Power Wire at Trailer and Installation of Aftermarket Trailer Brake Controller - Towing, Tow

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

Released 3/7/2016
(Hybrid) Supplement To Generator Control Module (PIM) Cooling System Draining And Filling Procedure - keywords GCM inverter power replacement

Released 1/13/2016
Hybrid No Crank or Loss of High Speed Communications

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 6/24/2013
Engine Whine Noise At 1500-1800 RPM

Released 3/26/2012
Automatic Transmission Oil Cooler Flow Test Essential Tool J-45096 TransFlow

Released 8/29/2011
Engine Oil Leak at Engine Oil Cooler Hose/Pipe Adapter to Engine Connection (Duagnose and Repair as Outlined)

Released 7/26/2011
Coolant Leak at Surge Tank (Repair Leak/Replace Surge Tank)

Released 6/22/2011
Malfunction Indicator Lamp (MIL) Illuminated at Very Cold Ambient Temperatures when Using Engine Coolant Heater, DTC P0116 and/or P1400 Set (Relocate ECT Sensor and Engine Coolant Heater Cord)

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 3/21/2011
Car and Truck Fix it Right the First Time Issues

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

Released 10/27/2010
Engine Oil Leak at Engine Oil Cooler Hose/Pipe Adapter to Engine Connection (Diagnose and Repair as Outlined)

Released 7/23/2010
Service Guide, Unique Characteristics and Normal Operating Conditions for Two-Mode Hybrid Models

Released 4/29/2010
Unnecessary Flushing Services, Additive Recommendations and Proper Utilization of GM Simplified Maintenance Schedule to Enhance Customer Service Experience

Released 2/28/2018
Red LED, No WiFi Operation, and/or Limited OnStar Module Functionality After OnStar Module Replacement for Another Condition

Released 2/2/2018
Information on Available BCM Calibrations to Restore Bulb Outage Detection on Vehicles Produced by a Second Stage Manufacturer (Upfitter), Turn Signals Flash Fast after Factory Box Removed

Released 11/20/2017
Diagnostic Tip- Information for U0140 or U0073 (BCM Appears Off Line On The High Speed Buss)

Released 7/25/2017
Information on How to Prevent Inadvertent Vehicle Starting from Key Fob or OnStar Mobile Application

Released 7/11/2017
SIR MIL With DTCs B0012 B0013 B0014 B0015 B0019 B0020 B0021 and/or B0022 (Aftermarket USB/Phone Charger)

Released 6/27/2017
Information on Available BCM Calibrations to Restore Bulb Outage Detection on Vehicles Produced by a Second Stage Manufacturer (Upfitter), Turn Signals Flash Fast after Factory Box Removed

Released 5/24/2017
Adding Cruise Control (RPO K34)

Released 5/11/2017
SIR MIL With DTCs B0012 B0013 B0014 B0015 B0019 B0020 B0021 and/or B0022 (Aftermarket USB/Phone Charger)

Released 3/15/2017
Speedometer Needle Accuracy Information

Released 12/1/2016
Hybrid 2-Mode Vehicle Stalls on Auto Start DTC P0BBD

Released 11/15/2016
Diagnostic Information for Supplemental Inflatable Restraint (SIR) System, Intermittent AIR BAG Indicator/Lamp Illuminated with DTC(s) B0012, B0013, B0015, B0016, B0019, B0020, B0022, B0023, B0026, B0033, B0040, B0042 or B0044 Set

Released 11/2/2016
Cruise Control Inoperative (Inspect Circuit 6311)

Released 9/30/2016
Service Guide, Unique Characteristics and Normal Operating Conditions for Two-Mode Hybrid Models

Released 9/30/2016
Service Theft Deterrent Message Displayed in Driver Information Center (DIC)

Released 9/30/2016
Diagnostic Information for Supplemental Inflatable Restraint (SIR) System, Intermittent AIR BAG Indicator/Lamp Illuminated with DTC(s) B0012, B0013, B0015, B0016, B0019, B0020, B0022, B0023, B0026, B0033, B0040, B0042 or B0044 Set

Released 9/30/2016
Engine Control Module DTC P2610 (Control Module Ignition Off Timer Performance) Setting Malfunction Indicator Lamp (MIL)

Released 9/19/2016
Hybrid 2-Mode Vehicle Stalls on Auto Start DTC P0BBD

Released 8/30/2016
(Hybrid) High Voltage 2-Mode Battery Parts Restriction-TAC has Ended

Released 6/10/2016
Hybrid No Crank With DTC B009F or Service Hybrid message with no codes

Released 6/3/2016
TAC Part Restriction Ended - Drive Motor Generator Control Module (PIM)

Released 4/6/2016
Drive Motor Generator Control Module (PIM) Part Restriction

Released 4/4/2016
2-Mode (Hybrid) TAC APM Part Restriction has ended

Released 3/24/2016
Service Charging System Message / SES MIL / P0621 and/or P0622

Released 3/14/2016
Hybrid No Crank With Multiple Diagnostic Codes

Released 3/2/2016
2 MODE HYBRID Vehicle Stalls When Shifted Out Of Park

Released 2/29/2016
Replacement Information for Broken T-Bolt on Negative and/or Positive Battery Cable Terminal

Released 1/13/2016
Hybrid No Crank or Loss of High Speed Communications

Released 11/12/2015
Information on Available BCM Calibrations to Restore Bulb Outage Detection on Vehicles Produced by a Second Stage Manufacturer (Upfitter), Turn Signals Flash Fast after Factory Box Removed

Released 10/31/2015
Information on Voltmeter Gauge Fluctuation Due to Regulated Voltage Control System and Concerns About Camper/Trailer Battery Charging

Released 10/31/2015
Drive Motor Generator Control Module (PIM) Part Restriction

Released 10/31/2015
Low Beam Headlamp Bulb Diagnosis/Replacement (Inspect Bulb and Connector)

Released 10/31/2015
Poor Radio Hands-free Voice Recognition Performance or Sound Quality After OnStar Upgrade

Released 7/18/2015
Diagnostic Tips - Diagnosing High Speed LAN Concerns

Released 7/4/2015
Diagnostic Tip - Security Light On Intermittently / No Crank/No Start Or Start Stall And Keyless Access Vehicles May Display No Remote/Fob Detected

Released 6/27/2015
Loss of High Speed GMLAN Communications, Intermittent No Crank, IP Gauge Fluctuation, Intermittent Door Lock Cycling / Chime Operation, Various IP Warning Lamps Illuminated, Transmission May Not Shift, Communication DTCs U0073, U0100, U0101, U0102, U0109,

Released 6/20/2015
(Hybrid) Emergency First Responder Information

Released 6/1/2015
Special Coverage Adjustment - Accessory Power Module May Not Initialize in Cold Temperature

Released 4/25/2015
Diagnostic Tip - Vehicle Start And Stalls After Theft Deterrent Module Replacement

Released 3/28/2015
Special Coverage Adjustment - Nitrogen Oxide (NOx) Sensor

Released 3/28/2015
Aftermarket ALDL or DLC Interface Devices Causing Multiple Issues

Released 3/7/2015
Installation of Electrical Aftermarket Accessories-Battery, Ignition and Ground Feeds-Do Not Splice into Wiring Harness (Install Diode to Solenoid/Relay to Suppress Voltage Spikes)

Released 1/1/2015
Radio Does Not Mute Enough When OnStar Turn-By-Turn Navigation Directions Are Announced (Increase Volume Setting or Request Soft Mute Feature Change Through OnStar Customer Service)

Released 10/17/2014
2-Mode (Hybrid) TAC APM Part Restriction - Loss of Power Steering Assist After Cold Soak in Cold Ambient Temperatures - Service Power Steering Message Or Service Hybrid System Message Displayed - Charging System Light On

Released 9/23/2014
Roof Beacon Inoperative (Switch Disconnected)

Released 8/22/2014
Product Safety - Auxiliary Battery

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

Released 8/7/2014
Check Trailer Wiring Message Displayed On DIC

Released 8/6/2014
Puddle Light Operation

Released 7/30/2014
DIC Message Press Check To Turn Off Motion Sensor

Released 7/17/2014
Service Power Steering and Service Hybrid System Messages After Cold Soak in Cold Ambient Temperatures

Released 7/17/2014
High Voltage Safety - High Voltage Disabling

Released 7/17/2014
Accessory Power Outlet and Trailer Lighting Fuse Replacement - Use GLC Labor Operation 5430130 Fuse Replacement

Released 7/16/2014
SES Light Reduced Engine Power Mode and APP Sensor DTCs

Released 7/15/2014
Service Hybrid System Message, MIL or Loss of Propulsion with DTC P1ABE, P0A7E or P0C32 Set

Released 7/14/2014
Powertrain and Various Electrical/Electronic Control Issues

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

Released 6/13/2014
Tow/Haul Cruise SES 4x4 Heated Washer Fluid Off Message And Various Other Indicator Lamps Do Not Illuminate

Released 6/13/2014
Unwanted Alarm Sounding (GM Accessory Inclination Sensor Mounting)

Released 6/3/2014
DTCs P0601 P0603 P0604 P062F or P1621 (Stored In The TCM)

Released 5/16/2014
DTC Symptom Byte Documentation

Released 3/25/2014
Removing / Disabling Rear Park Assist RPO UD7

Released 2/1/2014
No Audio On Certain XM Radio Channels

Released 1/25/2014
Diagnostic Tip - Driver Or Passenger Door Module DTC B2555

Released 1/22/2014
Speedometer Needle Accuracy Information

Released 1/22/2014
GM Accessory Heated Seats Inoperative After Installation

Released 1/8/2014
Aftermarket Back Up Alarm Sounds When Using RKE To Unlock Doors

Released 1/8/2014
Passenger Air Bag And Seat Belt Indicator / Switch Information

Released 11/25/2013
Various Concerns Related To The IP Backlighting, Cruise Control, Steering Wheel Controls, Horn

Released 10/25/2013
Normal Characteristic - RKE Inoperative/Unable To Program Fobs

Released 10/18/2013
Sweeping Whine Noise Increase/Decrease from Audio System on Lower AM Band Stations

Released 10/16/2013
Diagnosing / Troubleshooting Multiple Electrical Concerns / Intermittent No Crank / Or DTC C0900

Released 10/15/2013
2-Mode (HYBRID) Diagnosing Slip Stall At A Stop Surge Lack Of Power Poor Fuel Economy with or without DTC P061B P0AFA P0BBD

Released 10/5/2013
OnStar Will Not Power Up

Released 10/2/2013
Adding Cruise Control (RPO K34)

Released 9/14/2013
OnStar Will Not Power Up

Released 6/25/2013
Swapping Outside Rearview Mirrors RPOs DL8 / DL3 / DPN

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

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 6/7/2013
Back Up Alarm Inoperative And Needs To Be Connected During PDI

Released 5/31/2013
Unexpected Loss of Radio Audio (Radio Goes Silent/No Sound) and Other Blackberry Phone - Bluetooth Issues

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
Accessory Power Outlet and Trailer Lighting Fuse Replacement Labor Operation N1720 Fuse Replacement

Released 3/29/2013
Vehicle Software Enhancements

Released 3/29/2013
Powertrain and Various Electrical/Electronic Control Issues

Released 3/22/2013
Vibration Analysis Worksheet

Released 3/22/2013
OnStar Will Not Power Up

Released 3/22/2013
Aftermarket ALDL or DLC Interface Devices Causing Multiple Issues

Released 3/1/2013
No Crank/No Start, Dead Battery Due to Parasitic Drain/Discharge

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

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

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

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

Released 2/11/2013
Prior To Any Circuit Testing

Released 1/11/2013
No Crank/No Start, Dead Battery Due to Parasitic Drain/Discharge

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

Released 1/1/2013
Accessory Power Outlet and Trailer Lighting Fuse Replacement Labor Operation N1720 Fuse Replacement

Released 12/17/2012
Checking Smartphone Bluetooth Software Update Status

Released 5/8/2012
Properly Maintaining Vehicles in Dealer Inventory

Released 3/5/2012
Part Restriction and Ordering Process Information for OnStar Vehicle Communication Interface Modules (VCIM)

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 1/19/2012
Properly Maintaining Vehicles in Dealer Inventory

Released 1/14/2012
Properly Maintaining Vehicles in Dealer Inventory

Released 1/13/2012
Properly Maintaining Vehicles in Dealer Inventory

Released 1/13/2012
Properly Maintaining Vehicles in Dealer Inventory

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 8/22/2011
Installation of Electrical Aftermarket Accessories on 2-Mode Hybrid Full Size Trucks

Released 8/17/2011
Service Guide, Unique Characteristics and Normal Operating Conditions for Two-Mode Hybrid Models

Released 8/17/2011
Information on Body Control Module (BCM) Grounds

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

Released 6/22/2011
MIL Illuminated, Heated Oxygen Sensor (HO2S) Bank 2, Sensor 2 Wire Rub, Chaffing on Top of Frame Rail, DTCs P0056, P0060, P013C, P013D, P014A, P014B, P0157, P0158, P0160, P0161, P0430, P2272, P2273)

Released 6/9/2011
Information on Difficult to Install Fixed Radio Antenna Mast

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

Released 5/26/2011
Loss of High Speed GMLAN Communications, Intermittent No Crank, IP Gauge Fluctuation, Intermittent Door Lock Cycling / Chime Operation, Various IP Warning Lamps Illuminated, Trans May Not Shift

Released 5/25/2011
Air Bag Warning Lamp Illuminated, Repeat History DTC B0083 0F - B0088 0F (Follow SI and Procedure Outlined Below, if Necessary)

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

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

Released 4/8/2011
Installation of Electrical Aftermarket Accessories-Battery, Ignition and Ground Feeds-Do Not Splace into Wiring Harness (Install Diode to Solenoid/Relay to Suppress Voltage Spikes)

Released 3/24/2011
Hybrid Two-Mode High Voltage Battery Parts Restriction

Released 3/21/2011
Car and Truck Fix it Right the First Time Issues

Released 3/17/2011
Air Bag Warning Lamp Illuminated, Repeat History DTC B0083 0F-B0088 0F (Follow SI and Procedure Outlined Below if Necessary)

Released 2/24/2011
Properly Maintaining Vehicles in Dealer Inventory

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

Released 1/24/2011
Low Beam Headlamp Bulb Diagnosis/Replacement (Inspect Bulb and Connector)

Released 1/18/2011
Installation of Electrical Aftermarket Accessories on 2-mode Hybrid Full Size Trucks

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 12/8/2010
Intermittent No Crank/No Start, No Module Communication, MIL, Warning Lights, Messages or DTCs Set by Various Control Modules-Diagnosing and Repairing Fretting Corrosion

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

Released 11/11/2010
Information on BCM Calibrations Available to Restore Bulb Outage Detection on Vehicles Produced by Second Stage Manufacturer, Turn Signals Flash Fast after Factory Box Removed (Upfitter)

Released 10/25/2010
Information for Electrical Ground Repair - Use New Replacement Fasteners with Conductive Finish

Released 10/18/2010
Warranty Code Generated by El-50313/Charger Required for N0110, Battery Parts Rest

Released 9/14/2010
Car and Truck Fix It Right the First Time Issues

Released 8/23/2010
Parts Restriction on Ordering OnStar Generation 8 and Generation 9 Vehicle Communication Interface Modules (VCIM)

Released 8/6/2010
Low Beam Headlamp Bulb Diagnosis/Replacement (Inspect Bulb and Connector)

Released 7/27/2010
Installation of Electrical Aftermarket Accessories on 2-Mode Hybrid Full Size Trucks

Released 7/23/2010
Service Guide, Unique Characteristics and Normal Operating Conditions for Two-Mode Hybrid Models

Released 7/21/2010
Information on Inspecting Top Post Battery Cable Bolts, Clamps and Nuts During Pre-Delivery Inspection (PDI)

Released 7/14/2010
New Model Features and Service Guide

Released 6/28/2010
Intermittent Malfunction Indicator Lamp (MIL) Illuminated, DTC P2138 with Reduced Engine Power (Repair Instrument Panel (IP) to Body Harness Connector)

Released 6/15/2010
Information on Adjusting Outside Rearview Mirrors

Released 6/11/2010
Information on Inappropriate Warranty Claims Submitted for Damaged Radios and Instrument Panel Clusters (IPCs)

Released 4/28/2010
New Vehicle Pre-Delivery Inspection (PDI) - Delivering Quality Vehicles and Generating Higher CSi Scores

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

Released 4/24/2017
Information for Diesel Particulate Filter (DPF) Service Regeneration Documentation, Service Regeneration Will Not Run, Reduced Engine Power Message Displayed, DTC P2463 Set

Released 1/12/2017
Catalytic Converter Break-In Information to Prevent DTCs P0420 And/Or P0430

Released 12/23/2016
Rough Idle and/or Lack of Power on Acceleration after Cold Start - Possible Characteristic

Released 12/21/2016
Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared Message Displayed on DIC, DTC P2463 May Be Set

Released 12/19/2016
Information on Exhaust Fluid Range, Exhaust Fluid Quality Poor, Service Exhaust Fluid System or Service Emission System Driver Information Center Messages

Released 12/12/2016
Duramax Intermittent High Idle Or Elevated Idle Descriptions

Released 10/28/2016
Diagnostic Tip - Diesel Exhaust Fluid System Contamination

Released 9/30/2016
Intermittent MIL/Check Engine Light On, DTC P013B and P013D Set

Released 9/30/2016
Engine Control Module DTC P2610 (Control Module Ignition Off Timer Performance) Setting Malfunction Indicator Lamp (MIL)

Released 8/15/2016
Low Oil Pressure Message/Light - Inspect Valve Lifter Oil Filter

Released 8/1/2016
Information on Diesel Exhaust Fluid (DEF)

Released 3/3/2016
Diagnostic Tip - Exhaust Fluid Quality Poor Message Difficult To Clear

Released 2/2/2016
Duramax Intermittent High Idle Or Elevated Idle Descriptions

Released 1/29/2016
DTCs P0088 And P128E, After Fuel System Or Engine Repair

Released 12/14/2015
Diagnostic Tip - Exhaust Fluid Low - Exhaust Fluid Empty - Exhaust Fluid Range and Service Exhaust Fluid Messages Difficult To Reset - Including Cold Weather Operation

Released 10/31/2015
Diagnostic Tip - Exhaust Fluid Quality Poor Message Difficult To Clear

Released 10/31/2015
Special Coverage Adjustment - Nitrogen Oxide (NOx) Sensor

Released 10/31/2015
SES Lamp P0171 P0174

Released 6/1/2015
Additional Diagnostics For DTC P0420 And Or P24A0

Released 4/11/2015
Malfunction Indicator Lamp (MIL) Illuminated, Fuel Tank Hard to Fill, DTCs P0442, P0446, P0455 or P0449 Set

Released 3/28/2015
Special Coverage Adjustment - Nitrogen Oxide (NOx) Sensor

Released 8/18/2014
Additional Diagnostics For DTC P0420 And Or P24A0

Released 8/15/2014
Duramax Intermittent High Idle Or Elevated Idle Descriptions

Released 7/14/2014
Powertrain and Various Electrical/Electronic Control Issues

Released 6/3/2014
DTCs P0601 P0603 P0604 P062F or P1621 (Stored In The TCM)

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

Released 4/4/2014
Possible Engine Oil Leak Due To PCV Freeze-Up

Released 3/25/2014
Possible Engine Oil Leak Due To PCV Freeze-Up

Released 2/5/2014
Cold Engine Tick Noise That May Last Up To 50 Seconds

Released 1/31/2014
Cold Extended Crank - Rough Running - And/Or SES Light With DTCs P0172 And/Or P0175 - Check Fuel Alcohol Content

Released 1/3/2014
Special Coverage Adjustment - Throttle Position Sensor Replacement

Released 9/16/2013
Exhaust Fluid Low - Exhaust Fluid Empty - Exhaust Fluid Range and Service Exhaust Fluid Messages Difficult To Reset - Including Cold Weather Operation

Released 3/22/2013
Identifying Non-GM (Aftermarket) Engine and Transmission Calibrations for V6 and V8 Gasoline Engines Using Tech 2 or Global Diagnostic System 2 (GDS 2)

Released 2/1/2013
Aftermarket ALDL or DLC Interface Devices Causing Multiple Issues

Released 9/4/2012
Identifying Non-GM (Aftermarket) Engine and Transmission Calibrations for V8 Gasoline Engines Using Tech 2 or Global Diagnostic System 2 (GDS 2)

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 3/24/2011
Information on Diesel Exhaust Fluid (DEF) Filling Instructions, Frozen Tank Status and General Information

Released 3/21/2011
Car and Truck Fix it Right the First Time Issues

Released 2/7/2011
Malfunction Indicator Lamp (MIL) Illuminated, Poor Engine Performance with Low Power, DTC P0299, P0513, P0606, P0622, P207F, P20EE, P2202 and/or P22A0 Set (Reprogram Engine Control Module (ECM))

Released 8/6/2010
Information on Drilling High Strength Steel Related to Collision Repair

Released 7/14/2010
New Model Features and Service Guide

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

Released 11/16/2016
Diagnostic Tip for Excessive Smoke From Tail Pipe, DTC P2002 Set

Released 2/8/2016
Diagnostic Tip - Diesel Exhaust Fluid System Contamination

Released 12/22/2015
Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared Message Displayed on DIC, DTC P2463 May Be Set

Released 11/30/2015
Premature Catalytic Converter Failures

Released 10/31/2015
Diesel Oxidation Converter Part Restriction

Released 9/5/2015
Information on Exhaust Fluid Range, Exhaust Fluid Quality Poor, Service Exhaust Fluid System or Service Emission System Driver Information Center Messages

Released 6/20/2015
Diagnostic Tip - Exhaust Fluid Low - Exhaust Fluid Empty - Exhaust Fluid Range and Service Exhaust Fluid Messages Difficult To Reset - Including Cold Weather Operation

Released 9/29/2014
Diesel Oxidation Converter Part Restriction

Released 9/18/2014
Diesel Oxidation Converter Part Restriction

Released 9/9/2014
Diesel Oxidation Converter Part Restriction

Released 8/18/2014
Additional Diagnostics For DTC P0420 And Or P24A0

Released 8/15/2014
Exhaust Fluid Low - Exhaust Fluid Empty - Exhaust Fluid Range and Service Exhaust Fluid Messages Difficult To Reset - Including Cold Weather Operation

Released 8/13/2014
Exhaust Fluid Quality Poor Message Difficult To Clear

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

Released 2/5/2014
Cold Engine Tick Noise That May Last Up To 50 Seconds

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

Released 2/1/2013
Identifying Non-GM (Aftermarket) Engine and Transmission Calibrations for V6 and V8 Gasoline Engines Using Tech 2 or Global Diagnostic System 2 (GDS 2)

Released 1/1/2013
Identifying Non-GM (Aftermarket) Engine and Transmission Calibrations for V8 Gasoline Engines Using Tech 2 or Global Diagnostic System 2 (GDS 2)

Released 3/22/2011
Muffler Heat Shield Buzz During Operation (Perform Repair) or Exhaust Pinging/Popping/Snapping Noise During Cool Down, at Idle or After Vehicle Shut Off

Released 3/21/2011
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 2/4/2011
Exhaust Leak, Rattle, Rumble and/or Noise (Install New Clamp and Align Correctly)

Released 9/14/2010
Car and Truck Fix It Right the First Time Issues

Released 8/25/2010
Exhaust Leak, Rattle, Rumble and/or Noise (Install New Clamp and Align Correctly)

Released 7/14/2010
New Model Features and Service Guide

Released 3/5/2018
Fleet Key Option - Adding Keys / Converting

Released 9/27/2017
Information on Diesel Fuel Additives

Released 7/25/2017
Information on How to Prevent Inadvertent Vehicle Starting from Key Fob or OnStar Mobile Application

Released 6/20/2017
Fuel Leak, Fuel Smell/Odor, Rubbing/Grinding/Clanking/Hitting/Banging/Popping/Thumping Noise from Under Vehicle, Fuel Gauge Reading Inaccurate

Released 3/7/2017
Fleet Key Option - Adding Keys / Converting

Released 2/20/2017
Customer Satisfaction Program - Vehicles with Key Codes Improperly Handled by Third Party

Released 2/1/2017
Normal Characteristic - Bump Feel Or Clunk Noise After A Stop

Released 11/3/2016
Information on Diesel Fuel Additives

Released 9/30/2016
Service Theft Deterrent Message Displayed in Driver Information Center (DIC)

Released 9/19/2016
Damaged, Disassembled or Improperly Packaged Turbochargers Returned to Warranty Parts Center

Released 8/2/2016
Information on Diesel Fuel Additives

Released 7/12/2016
Diagnostic Tip - 6.6L Duramax Fuel System Contamination

Released 4/21/2016
Normal Characteristic - Bump Feel Or Clunk Noise After A Stop

Released 4/1/2016
Information on Changes in Exhaust Tone for Active Fuel Management Engines When in Three or Four Cylinder Mode

Released 3/29/2016
Alternative Gaseous Fuel Systems on BI-Fuel, CNG and LPG Equipped Vehicles

Released 3/2/2016
2 MODE HYBRID Vehicle Stalls When Shifted Out Of Park

Released 1/27/2016
Alternative Gaseous Fuel Systems on BI-Fuel, CNG and LPG Equipped Vehicles

Released 11/25/2015
Normal Characteristic - Bump Feel Or Clunk Noise After A Stop

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

Released 10/31/2015
Product Safety - Ignition Lock Cylinder Binding

Released 10/31/2015
Service Parts Safety - Ignition Lock Cylinder Binding

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

Released 10/31/2015
Product Safety - Chassis Electronic Control Module Internal Contamination

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

Released 6/13/2015
Lack Of Power On Initial Acceleration From A Stop When the Ambient Temperature Is 103F Or Greater (U.S.A. Dealers Only)

Released 6/13/2015
Duramax Diesel Hard Start No Start P0087 P0088 P0191 P128E Or Injection Pump Replacement

Released 5/2/2015
Product Safety - Ignition Lock Cylinder Binding

Released 4/11/2015
Product Safety - Ignition Lock Cylinder Binding

Released 3/14/2015
6.6L Duramax Fuel Injection Pump Part Restriction Has Ended

Released 11/13/2014
6.6L Duramax Fuel Injection Pump Part Restriction

Released 8/7/2014
Duramax Diesel Hard Start No Start P0087 P0088 P0191 P128E Or Injection Pump Replacement

Released 7/16/2014
SES Light Reduced Engine Power Mode and APP Sensor DTCs

Released 6/19/2014
Diagnostic Tip - 2010 through 2015 6.6L Duramax Fuel System Contamination Identification

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

Released 3/28/2014
Normal Characteristic - Bump Feel Or Clunk Noise After A Stop

Released 12/5/2013
Engine Oil Consumption on Aluminum Block/Iron Block Engines with Active Fuel Management (AFM) (Install AFM Oil Deflector and Clean Carbon from Cylinder and/or Install Updated Valve Cover)

Released 9/16/2013
Exhaust Fluid Low - Exhaust Fluid Empty - Exhaust Fluid Range and Service Exhaust Fluid Messages Difficult To Reset - Including Cold Weather Operation

Released 1/1/2013
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)

Released 5/9/2012
Service Engine Soon Light On, Rough Running Engine, Cracked or Oil Fouled #1 and/or 7 Spark Plug

Released 5/7/2012
Service Engine Soon Light On, Rough Running Engine, Cracked or Oil Fouled #1 and/or 7 Spark Plug

Released 1/19/2012
Damaged, Disassembled or Improperly Packaged Turbochargers Returned to Warranty Parts Center

Released 1/19/2012
Damaged, Disassembled or Improperly Packaged Turbochargers Returned to Warranty Parts Center

Released 1/19/2012
Properly Maintaining Vehicles in Dealer Inventory

Released 1/14/2012
Properly Maintaining Vehicles in Dealer Inventory

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 3/21/2011
Car and Truck Fix it Right the First Time Issues

Released 12/20/2010
Information on Duramax Turbo Air Intake Duct Service Clamp

Released 12/8/2010
General Motors Position Regarding the Environmental Protection Agencys Partial Waiver Announcement Allowing the Use of E 15 in MY 2007 and Newer Vehicles

Released 11/3/2010
Information on Duramax Turbo Vane Position Sensor

Released 10/27/2010
TOP TIER Detergent Gasoline Information and Available Brands (Deposits, Fuel Economy, No Start, Stall Concerns) Canada Only

Released 7/14/2010
New Model Features and Service Guide

Released 7/2/2010
Information on Vehicles Sitting Outside on Dealer Lots for Extended Periods of Time with Hard Start or Crank/No Start Condition

Released 4/29/2010
Unnecessary Flushing Services, Additive Recommendations and Proper Utilization of GM Simplified Maintenance Schedule to Enhance Customer Service Experience

Released 12/5/2015
Air Conditioning Odor (Install Evaporator Core Dryer Kit and Apply Cooling Coil Coating)

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

Released 11/11/2014
Intermittent Battery Draw Dead Battery Or HVAC Odor

Released 7/17/2014
Dust Intruding into Cabin Interior

Released 7/11/2014
Information Regarding A/C Service Valve Tethered Cap Requirements in the State of Idaho

Released 6/13/2014
Unwanted Alarm Sounding (GM Accessory Inclination Sensor Mounting)

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 7/20/2011
Excessive Cabin Moisture / Reduced Window Clearing, Non Responsive HVAC Control (Reprogram HVAC System Control Module)

Released 5/13/2011
Instrument Panel (IP) HVAC Air Outlet Deflector Knob Chrome Insert Loose/Missing (Install Updated Design Chrome Insert)

Released 5/5/2011
Air Conditioning (A/C) Blows Warm Air Intermittently

Released 4/11/2011
Repair Information for Reconnection of Rear Window Defroster Contact or Tab

Released 3/21/2011
Car and Truck Fix it Right the First Time Issues

Released 2/28/2011
Excessive Cabin Moisture / Reduced Window Clearing (Reprogram HVAC System Control Module)

Released 1/13/2011
Driver or Passenger Heated Seat Inoperative, Slow to Warm, DTC(s) Set (Repair Connector, Re-Route Harness)

Released 12/23/2010
Information on Passenger Presence Sensing System (PPS or PSS) Concerns with Custom Upholstery, Accessory Seat Heaters or Other Comfort Enhancing Devices

Released 4/29/2010
Unnecessary Flushing Services, Additive Recommendations and Proper Utilization of GM Simplified Maintenance Schedule to Enhance Customer Service Experience

Released 6/25/2019
Use of Surface Conditioning Disks When Cleaning Gasket Sealing Surfaces and/or Reused Parts

Released 1/29/2019
Special Coverage Adjustment - MIL Lamp On / Glow Plug Heater Inoperative

Released 1/3/2019
Vehicle May Not Start Due To Loose Pin Fit or Backed Out Terminals

Released 1/2/2019
2 MODE HYBRID Vehicle Stalls When Shifted Out Of Park

Released 3/12/2018
Normal Characteristic - Sag Or Hesitation On Acceleration

Released 8/31/2017
Information on CJ-4 or CK-4 Diesel Engine Oil

Released 8/29/2017
Duramax Intermittent High Idle Or Elevated Idle Descriptions

Released 3/24/2017
Normal Characteristic - Sag Or Hesitation On Acceleration

Released 3/1/2017
TAC 2ML70 (Two-Mode Hybrid) Transmission Restriction has ended

Released 12/23/2016
Rough Idle and/or Lack of Power on Acceleration after Cold Start - Possible Characteristic

Released 12/23/2016
SES Light, Misfire, DTC P0300, and/or a Chirp, Squeak, Squeal, Or Tick Noise - Potential Valvetrain Concern

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

Released 12/12/2016
Duramax Intermittent High Idle Or Elevated Idle Descriptions

Released 11/16/2016
2-3 Upshift Slip or Flare

Released 10/3/2016
2010 through 2016 6.6L Duramax Diesel Engine (RPO Codes LGH and LML) Part Number 12638502 PQC Restriction Has Ended

Released 9/30/2016
Engine Oil Leak at Engine Oil Cooler Hose/Pipe Adapter to Engine Connection (Diagnose and Repair as Outlined)

Released 9/30/2016
Diagnostic Tips for DTC P0796, Slip or No 4th, 5th or 6th Gear

Released 9/30/2016
Transfer Case Output Shaft Slinger and Seal Revision

Released 9/30/2016
Engine Control Module DTC P2610 (Control Module Ignition Off Timer Performance) Setting Malfunction Indicator Lamp (MIL)

Released 9/23/2016
2010 through 2016 6.6L Duramax Diesel Engine (RPO Codes LGH and LML) Part Number 12638502 PQC Restriction Has Ended

Released 8/30/2016
Auxiliary Transmission Fluid Pump (ATFP) Control Module And Pump Parts Restriction has Ended

Released 8/15/2016
Low Oil Pressure Message/Light - Inspect Valve Lifter Oil Filter

Released 7/28/2016
Engine Misfire, Ticking/Knocking Noise, No Compression due to Piston Damage, Malfunction Indicator Lamp (MIL) Illuminated

Released 7/5/2016
Engine Misfire and No Compression due to Piston Damage

Released 6/22/2016
Filling the Cooling System, Diagnosing and Replacing Leaking Cylinder Head Gaskets on a 6.6 Duramax Diesel

Released 6/10/2016
SES Lamp P0521 Setting After An Oil Change And Or Low Oil Pressure Indicated On The Instrument Panel

Released 4/27/2016
No Reverse, No Second After Upper Valve Body Replacement

Released 4/22/2016
Crank No Start - Inspect for Sheared Cam Pin

Released 4/5/2016
Engine Knock on Cold Start

Released 3/16/2016
Tick Noise and/or Misfires on AFM Cylinders 1 4 6 And/or 7

Released 2/2/2016
Duramax Intermittent High Idle Or Elevated Idle Descriptions

Released 1/13/2016
Hybrid No Crank or Loss of High Speed Communications

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

Released 11/6/2015
Diagnostic Tips for Reduced Acceleration at Low Speed and/or Transmission Slipping from a Launch, DTC P0751 Set

Released 10/31/2015
SES Lamp With Camshaft Actuator Codes After SI Diagnosis Have Been Followed

Released 10/31/2015
Tick Noise and/or Misfires On AFM Cylinders 1 4 6 and/or 7

Released 10/31/2015
Drive Motor Generator Control Module (PIM) Part Restriction

Released 10/31/2015
Crank No Start - Inspect for Sheared Cam Pin

Released 10/31/2015
Product Safety - Chassis Electronic Control Module Internal Contamination

Released 10/31/2015
Diagnostic Tip for Vibration, Shudder or Roughness While Driving at Low Steady Speeds in V4 Mode

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

Released 10/31/2015
Diagnostic Tips for Reduced Acceleration at Low Speed and/or Transmission Slipping from a Launch, DTC P0751 Set

Released 10/31/2015
Engine Oil Consumption on Aluminum Block/Iron Block Engines with Active Fuel Management (AFM) (Install AFM Oil Deflector and Clean Carbon from Cylinder and/or Install Updated Valve Cover)

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

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

Released 8/29/2015
2010 through 2016 6.6L Duramax Diesel Engine (RPO Codes LGH and LML) Part Number 12638502 PQC Restriction

Released 8/22/2015
Gauge Fluctuation, Various DTCs, Wiring Harness Chafing/Rubbing on A/C Line

Released 8/15/2015
SES Lamp P0521 Setting After An Oil Change And Or Low Oil Pressure Indicated On The Instrument Panel

Released 8/1/2015
Information for Identifying Non-GM ECM Calibration Use and Power-up Hardware Detection in Duramax Diesel Engines - Photograph Tech 2 Calibration IDs, Calibration Verification Numbers (CVNs) and Transmission Data Screen

Released 7/18/2015
Low Oil Pressure Message/Light - Inspect Valve Lifter Oil Filter

Released 7/18/2015
Information - Service Parts Transfer Case Bolt Hole And Case Appearance

Released 6/27/2015
Loss of High Speed GMLAN Communications, Intermittent No Crank, IP Gauge Fluctuation, Intermittent Door Lock Cycling / Chime Operation, Various IP Warning Lamps Illuminated, Transmission May Not Shift, Communication DTCs U0073, U0100, U0101, U0102, U0109,

Released 6/13/2015
SES Lamp P0521 Setting After An Oil Change And Or Low Oil Pressure Indicated On The Instrument Panel

Released 6/6/2015
SES Lamp P0521 Setting After An Oil Change And Or Low Oil Pressure Indicated On The Instrument Panel

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

Released 6/1/2015
Diagnostic Tips for Reduced Acceleration at Low Speed and/or Transmission Slipping from a Launch, DTC P0751 Set

Released 5/12/2015
Customer Satisfaction - Rear Axle Grinding Noise, Vibration - Inspect Rear Axle

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

Released 4/11/2015
Low Oil Pressure Message/Light - Inspect Valve Lifter Oil Filter

Released 3/28/2015
TAC 2ML70 (Two-Mode Hybrid) Transmission Restriction Process

Released 3/14/2015
SES Lamp P0521 Setting In Cold Ambient Temperatures

Released 9/4/2014
Engine Oil Consumption on Aluminum Block/Iron Block Engines with Active Fuel Management (AFM) (Install AFM Oil Deflector and Clean Carbon from Cylinder and/or Install Updated Valve Cover)

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 8/15/2014
Duramax Intermittent High Idle Or Elevated Idle Descriptions

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 6/3/2014
DTCs P0601 P0603 P0604 P062F or P1621 (Stored In The TCM)

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

Released 5/8/2014
TAC 2ML70 (Two-Mode Hybrid) Transmission Restriction Process

Released 4/4/2014
Possible Engine Oil Leak Due To PCV Freeze-Up

Released 3/25/2014
Possible Engine Oil Leak Due To PCV Freeze-Up

Released 2/25/2014
Crank No Start - Inspect for Sheared Cam Pin

Released 2/5/2014
Cold Engine Tick Noise That May Last Up To 50 Seconds

Released 1/23/2014
Crank No Start - Inspect for Sheared Cam Pin

Released 1/22/2014
Service 4 Wheel Drive Message C0569 After Transfer Case Related Repairs

Released 1/22/2014
Diagnostic Aids For Driveline Noise Or Vibration

Released 1/18/2014
Normal Characteristic - Sag Or Hesitation On Acceleration

Released 1/15/2014
Tick Noise And/Or Misfires On AFM Cylinders 1 4 6 And/or 7

Released 1/6/2014
Crank No Start - Inspect For Sheared Cam Pin

Released 12/5/2013
Engine Oil Consumption on Aluminum Block/Iron Block Engines with Active Fuel Management (AFM) (Install AFM Oil Deflector and Clean Carbon from Cylinder and/or Install Updated Valve Cover)

Released 10/31/2013
Random Bump Chuggle or Fishbite Sensation While Cruising At Approximately 1,300 RPM

Released 10/30/2013
Tick Noise And/or Misfires On AFM Cylinders 1 4 6 And/or 7

Released 10/16/2013
Diagnosing / Troubleshooting Multiple Electrical Concerns / Intermittent No Crank / Or DTC C0900

Released 10/15/2013
2-Mode (HYBRID) Diagnosing Slip Stall At A Stop Surge Lack Of Power Poor Fuel Economy with or without DTC P061B P0AFA P0BBD

Released 10/9/2013
Engine Misfire and No Compression due to Piston Damage

Released 10/4/2013
Allison LCT1000 Range Inhibit Or No Forward Reverse P0701 P0729 P0731 P0732 P0733 P0734 P0735 P0751 P0756 P0761 P0877 Or P2723 May Be Set

Released 10/4/2013
Diagnostic Tip: Diagnosing Vehicles with OnStar DTC B101D-37

Released 9/18/2013
Axle Lubricant Consolidation For Cars And Trucks

Released 8/23/2013
Engineering Information - Engine Whine Noise at 1000-1900 RPMs

Released 8/13/2013
PQC Part Restriction Control Solenoid WBody And TCM Valve Assembly And Valve Body

Released 8/12/2013
Slight Roughness at Idle with No DTCs - Possible Characteristic

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

Released 8/5/2013
Normal Characteristic - Sag Or Hesitation On Acceleration

Released 8/1/2013
Normal Characteristic - Sag Or Hesitation On Acceleration

Released 7/1/2013
Tick Noise And/or Misfires On AFM Cylinders 1 4 6 And/or 7

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 6/10/2013
Low Oil Pump Pressure Due To Sticking Oil Pressure Relief Valve

Released 5/21/2013
GM TAC Support of Vehicle Vibration Complaints - U.S. Dealers Only

Released 4/12/2013
Information on Driveline Clunk Noise

Released 3/22/2013
Vibration Analysis Worksheet

Released 3/22/2013
New Service Cam Bearings For Gen IV V8 Engines

Released 3/22/2013
Identifying Non-GM (Aftermarket) Engine and Transmission Calibrations for V6 and V8 Gasoline Engines Using Tech 2 or Global Diagnostic System 2 (GDS 2)

Released 3/22/2013
Aftermarket ALDL or DLC Interface Devices Causing Multiple Issues

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

Released 2/1/2013
Identifying Non-GM (Aftermarket) Engine and Transmission Calibrations for V6 and V8 Gasoline Engines Using Tech 2 or Global Diagnostic System 2 (GDS 2)

Released 1/1/2013
Identifying Non-GM (Aftermarket) Engine and Transmission Calibrations for V8 Gasoline Engines Using Tech 2 or Global Diagnostic System 2 (GDS 2)

Released 9/4/2012
Identifying Non-GM (Aftermarket) Engine and Transmission Calibrations for V8 Gasoline Engines Using Tech 2 or Global Diagnostic System 2 (GDS 2)

Released 9/4/2012
New Service Cam Bearings For Gen IV V8 Engines

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

Released 5/8/2012
Properly Maintaining Vehicles in Dealer Inventory

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

Released 3/26/2012
Automatic Transmission Oil Cooler Flow Test Essential Tool J-45096 TransFlow

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 1/19/2012
Properly Maintaining Vehicles in Dealer Inventory

Released 1/18/2012
Service Engine Soon Light On, Rough Running Engine, Cracked or Oil Fouled #1 and/or 7 Spark Plug

Released 1/14/2012
Properly Maintaining Vehicles in Dealer Inventory

Released 1/14/2012
Engine Oil Consumption on Aluminum Block/Iron Block Engines with Active Fuel Management (AFM) (Install AFM Oil Deflector and Clean Carbon from Cylinder and/or Install Updated Valve Cover)

Released 1/12/2012
Engine Oil Consumption on Aluminum Block/Iron Block Engines with Active Fuel Management (AFM) (Install AFM Oil Deflector and Clean Carbon from Cylinder and/or Install Updated Valve Cover)

Released 1/10/2012
Engine Oil Consumption on Aluminum Block/Iron Block Engines with Active Fuel Management (AFM) (Install AFM Oil Deflector and Clean Carbon from Cylinder and/or Install Updated Valve Cover)

Released 1/8/2012
Engine Oil Consumption on Aluminum Block/Iron Block Engines with Active Fuel Management (AFM) (Install AFM Oil Deflector and Clean Carbon from Cylinder and/or Install Updated Valve Cover)

Released 1/6/2012
Engine Oil Consumption on Aluminum Block/Iron Block Engines with Active Fuel Management (AFM) (Install AFM Oil Deflector and Clean Carbon from Cylinder and/or Install Updated Valve Cover)

Released 11/27/2011
Loss of Communication with Allison TCM, Intermittent Transmission Hesitation, Reduced Torque, Range Inhibit, Clunk, Stuck in Gear or Neutral, Wont Shift, DTC P0880 and/or U0101 Set

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

Released 8/29/2011
Engine Oil Leak at Engine Oil Cooler Hose/Pipe Adapter to Engine Connection (Duagnose and Repair as Outlined)

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 4/28/2011
Information on Diesel Engine Ticking Noise

Released 4/18/2011
Chrome Outside Door Handle Loose/Cracked at Attachment Screw (Replace Handle)

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

Released 4/8/2011
Exchange Program for 2010-2011 Model Year 6.6L Duramax Diesel Engine (RPO LML and LGH) (U.S. and Canada Dealers Only)

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

Released 3/21/2011
Car and Truck Fix it Right the First Time Issues

Released 3/7/2011
Product Quality Center (PQC) for Engine, Transmission Assembly and Transfer Case Repalcement

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 2/9/2011
Active Fuel Management (AFM) Engine, Valve Lifter Tick Noise at Start Up When Engine Has Been Off for 2 Hours or More (Evaluate Noise and/or Replace Valve Lifters)

Released 2/7/2011
Identifying Non-GM ECM Calibration Usages for Duramax Diesel Engines and Power-up Hardware Detection

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 11/10/2010
WOT 4-5 Shift Flare or Tie Up with DTC P0733, P0777, P0735 or P2723 Stored, Intermittent Slip in Reverse (Inspect Seals, Replace Piston/Clutch Plates if Damaged)

Released 11/1/2010
Information on Water or Ethylene Glycol in Transmission Fluid

Released 10/27/2010
Engine Oil Leak at Engine Oil Cooler Hose/Pipe Adapter to Engine Connection (Diagnose and Repair as Outlined)

Released 9/14/2010
Car and Truck Fix It Right the First Time Issues

Released 8/6/2010
Information on Drilling High Strength Steel Related to Collision Repair

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 7/23/2010
Service Guide, Unique Characteristics and Normal Operating Conditions for Two-Mode Hybrid Models

Released 7/14/2010
New Model Features and Service Guide

Released 6/30/2010
Exchange Program for 2010-2011 Model Year 6.6L Duramax Diesel Engine (RPO LML and LGH) (U.S. and Canadian Dealers Only)

Released 6/23/2010
Information on Duramax Flywheel Housing Seals

Released 4/29/2010
Unnecessary Flushing Services, Additive Recommendations and Proper Utilization of GM Simplified Maintenance Schedule to Enhance Customer Service Experience

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

Released 2/20/2017
Customer Satisfaction Program - Vehicles with Key Codes Improperly Handled by Third Party

Released 5/17/2016
Special Coverage Adjustment - Fractured Leaf Springs (Canada Only)

Released 3/9/2016
Special Coverage Adjustment - Fractured Leaf Springs

Released 10/31/2015
Product Safety - Ignition Lock Cylinder Binding

Released 10/31/2015
Service Parts Safety - Ignition Lock Cylinder Binding

Released 10/31/2015
Product Safety - Chassis Electronic Control Module Internal Contamination

Released 10/31/2015
Product Safety - Chassis Electronic Control Module Internal Contamination

Released 10/31/2015
Special Coverage Adjustment - Nitrogen Oxide (NOx) Sensor

Released 6/1/2015
Special Coverage Adjustment - Accessory Power Module May Not Initialize in Cold Temperature

Released 5/12/2015
Customer Satisfaction - Rear Axle Grinding Noise, Vibration - Inspect Rear Axle

Released 5/2/2015
Product Safety - Ignition Lock Cylinder Binding

Released 4/11/2015
Product Safety - Ignition Lock Cylinder Binding

Released 8/22/2014
Product Safety - Auxiliary Battery

Released 12/11/2017
Power Steering Noise or Fluid Leak from Power Steering Pump, Gear or High Pressure Hose During Extreme Low Temperature Conditions

Released 12/8/2017
Squeak Noise from Rear of Vehicle (Lubricate Rear Leaf Springs)

Released 12/8/2017
Clunking Noise from Rear of Vehicle (Retorque Leaf Spring Bolts)

Released 11/21/2017
Tire Sidewall Irregularities

Released 7/25/2017
Squeak Noise from Rear of Vehicle (Lubricate Rear Leaf Springs)

Released 5/9/2017
Various Vehicle Handling Concerns Suspension Noise Or Damaged Suspension Components Due To Vehicle Modifications

Released 2/1/2017
Diagnostic Tip - Rattle Squeak Clunk Thump Bump Noise From Front Suspension

Released 9/30/2016
Diagnostic Tips for Difficult to Resolve Tire/Wheel Vibration Concerns

Released 8/16/2016
Various Vehicle Handling Concerns Suspension Noise Or Damaged Suspension Components Due To Vehicle Modifications

Released 7/19/2016
Squeak Noise from Rear of Vehicle (Lubricate Rear Leaf Springs)

Released 5/17/2016
Special Coverage Adjustment - Fractured Leaf Springs (Canada Only)

Released 4/12/2016
Clunking Noise from Rear of Vehicle (Retorque Leaf Spring Bolts)

Released 3/21/2016
Various Vehicle Handling Concerns Suspension Noise Or Damaged Suspension Components Due To Vehicle Modifications

Released 3/9/2016
Special Coverage Adjustment - Fractured Leaf Springs

Released 1/19/2016
Power Steering Noise or Fluid Leak from Power Steering Pump, Gear or High Pressure Hose During Extreme Low Temperature Conditions

Released 10/31/2015
Clunking Noise from Rear of Vehicle (Retorque Leaf Spring Bolts)

Released 10/31/2015
Diagnostic Tips: Vehicle Body Tilt Or Lean

Released 10/31/2015
Tire Sidewall Irregularities

Released 6/27/2015
Squeak Noise from Rear of Vehicle (Lubricate Rear Leaf Springs)

Released 5/2/2015
Various Vehicle Handling Concerns Suspension Noise Or Damaged Suspension Components Due To Vehicle Modifications

Released 8/18/2014
Diagnostic Tip - Missing Alignment Dowel Pin

Released 8/6/2014
Power Steering Noise or Fluid Leak from Power Steering Pump, Gear or High Pressure Hose During Extreme Low Temperature Conditions

Released 7/30/2014
DIC Message Press Check To Turn Off Motion Sensor

Released 2/6/2014
Information on Slight or Mild Tire Feathering and Recommended Practices (Normal Tire Wear Condition)

Released 2/6/2014
Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel Bead Seat Corrosion (Clean and Resurface Wheel Bead Seat)

Released 2/6/2014
Vibration Shortly After Tires are Mounted/Preventing Vibration from Wheel Slip (Tire Sliding on Wheel)

Released 1/22/2014
Diagnostic Aids For Driveline Noise Or Vibration

Released 1/4/2014
Proper Wheel Installation and Wheel Torque Techniques

Released 11/25/2013
Various Concerns Related To The IP Backlighting, Cruise Control, Steering Wheel Controls, Horn

Released 10/2/2013
Adding Cruise Control (RPO K34)

Released 7/19/2013
Power Steering Noise or Fluid Leak from Power Steering Pump, Gear or High Pressure Hose During Extreme Low Temperature Conditions

Released 6/19/2013
Dealership Service Consultant Procedure as Vehicle Comes into Service Drive for Tire Pressure Monitor (TPM) System Message, Light and Customer Information

Released 6/7/2013
Power Steering Noise or Fluid Leak from Power Steering Pump, Gear or High Pressure Hose During Extreme Low Temperature Conditions

Released 5/21/2013
GM TAC Support of Vehicle Vibration Complaints - U.S. Dealers Only

Released 3/22/2013
Vibration Analysis Worksheet

Released 3/22/2013
Aftermarket ALDL or DLC Interface Devices Causing Multiple Issues

Released 1/1/2013
Proper Wheel Installation and Wheel Torque Techniques

Released 5/17/2012
Information on Slight or Mild Tire Feathering and Recommended Practices (Normal Tire Wear Condition)

Released 5/8/2012
Properly Maintaining Vehicles in Dealer Inventory

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

Released 3/27/2012
Hydraulic Power Steering System Leak - Required Diagnostic Actions

Released 1/23/2012
Hydraulic Power Steering System Leak - Required Diagnostic Actions

Released 1/19/2012
Properly Maintaining Vehicles in Dealer Inventory

Released 1/14/2012
Properly Maintaining Vehicles in Dealer Inventory

Released 1/13/2012
Properly Maintaining Vehicles in Dealer Inventory

Released 1/13/2012
Properly Maintaining Vehicles in Dealer Inventory

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 6/14/2011
Squeak/Creak/Rumble or Rattle Noise Coming from Front of Vehicle During Low Speed Maneuvers in Cold Ambient Temperatures (Enlarge Upper Inside Diameter (ID) of Strut Jounce Bumper)

Released 4/21/2011
Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels

Released 4/14/2011
New Vehicle Pre-Delivery Inspection (PDI) - Delivering Quality Vehicles and Generating Higher CSi Scores

Released 4/13/2011
Clunking Noise from Rear of Vehicle (Retorque Leaf Spring Bolts)

Released 4/12/2011
Rattle Noise from Wheel or Hub Cap While Driving, Loose Wheel Nut Caps or Wheel Nut Caps May Not Tighten on Wheel Nuts (Inspect/Replace Wheel Nut Caps As Necessary)

Released 3/21/2011
Car and Truck Fix it Right the First Time Issues

Released 3/21/2011
General Motors New Vehicle Wheel Warranty Coverage

Released 3/17/2011
Refinishing Aluminum Wheels

Released 2/24/2011
Properly Maintaining Vehicles in Dealer Inventory

Released 12/13/2010
Guidelines for Using Labor Operations E0200, E0201, E0203, E0204 - Wheel Balance

Released 12/9/2010
Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles

Released 11/11/2010
Squeak Noise from Rear of Vehicle (Lubricate Rear Leaf Springs)

Released 11/3/2010
Squeak/Creak/Rumble or Rattle Noise from Front of Vehicle During Low Speed Maneuvers in Cold Ambient Temps (Enlarge Upper ID of Strut Jounce Bumper)

Released 10/13/2010
Information on Pitman Arm Shaft Seal Service Kit

Released 9/14/2010
Car and Truck Fix It Right the First Time Issues

Released 8/9/2010
20 Inch and 22 Inch Accessory Wheels Available Through GM Accessories

Released 7/29/2010
New Balancer Mounting Instructions for Aluminum Wheels (HD Models Only)

Released 7/23/2010
EI07032-Power Steering Fluid Leaking from Power Steering Gear/Rack Assembly (Engineering Recommendations/Engineering Information Closed)

Released 7/23/2010
Service Guide, Unique Characteristics and Normal Operating Conditions for Two-Mode Hybrid Models

Released 7/23/2010
Installation and Programming for 20 Inch and 22 Inch Accessory Wheels (RPO RPP)

Released 7/14/2010
New Model Features and Service Guide

Released 6/21/2010
Information on Pitman Arm Shaft Seal Service Kit

Released 6/9/2010
Information on Proper Wheel Changing Procedures and Cautions

Released 6/7/2010
Guidelines for Using Labor Operations E2020 - Wheel Alignments, E2000 - Toe Adjust and E0200, E0201, E0203, E0204 - Wheel Balance

Released 5/19/2010
Warranty Administration - Labor Operation Z1111 - Suspected Tampering or Vehicle Modifications

Released 5/4/2010
Information on Tire Radial Force Variation (RFV)

Released 4/29/2010
Unnecessary Flushing Services, Additive Recommendations and Proper Utilization of GM Simplified Maintenance Schedule to Enhance Customer Service Experience

Released 4/28/2010
New Vehicle Pre-Delivery Inspection (PDI) - Delivering Quality Vehicles and Generating Higher CSi Scores

Released 4/27/2010
Use of Nitrogen Gas in Tires

Released 4/27/2010
Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel Bead Seat Corrosion (Clean and Resurface Wheel Bead Seat)

Released 4/27/2010
Tire Puncture Repair Procedures for All Cars and Light Duty Trucks

Released 4/27/2010
Low Tire Pressure, Leaking Cast Aluminum Wheels (Repair with Adhesive Sealant)

Released 4/27/2010
Dealership Service Consultant Procedure as Vehicle Comes into Service Drive for Tire Pressure Monitor (TPM) System Message, Light and Customer Information

Released 4/26/2010
TPM System Overview, Diagnosing Tire Pressure Monitor System (TPM) Concerns and TPM Frequently Asked Questions (FAQ)

Released 4/13/2010
Revised GM of Canada New Vehicle Limited Warranty Tire Program and Global Warranty Management (GWM) Submission Rollout Information

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 12/14/2016
Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information

Released 9/30/2016
Information on USB Cable and Receptacle for Service

Released 9/30/2016
Service Guide, Unique Characteristics and Normal Operating Conditions for Two-Mode Hybrid Models

Released 7/18/2015
Diagnostic Tips - Diagnosing High Speed LAN Concerns

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 12/5/2014
Information for Dealers on How to Submit a Product Information Report (PIR) (Canada Only)

Released 7/8/2014
Procedure For Emailing Global Diagnostic System 2 (GDS2) Session Log To

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 2/6/2014
Information on Slight or Mild Tire Feathering and Recommended Practices (Normal Tire Wear Condition)

Released 6/19/2013
Correct Selection Of Labor Codes

Released 6/7/2013
IPC Odometer Programming Method Quick Reference Guide

Released 5/21/2013
GM TAC Support of Vehicle Vibration Complaints - U.S. Dealers Only

Released 3/22/2013
Identifying Non-GM (Aftermarket) Engine and Transmission Calibrations for V6 and V8 Gasoline Engines Using Tech 2 or Global Diagnostic System 2 (GDS 2)

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

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

Released 9/4/2012
GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period

Released 3/26/2012
Automatic Transmission Oil Cooler Flow Test Essential Tool J-45096 TransFlow

Released 3/19/2012
Hem Flange Rust Repair

Released 3/5/2012
Part Restriction and Ordering Process Information for OnStar Vehicle Communication Interface Modules (VCIM)

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

Released 1/13/2012
Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability

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 8/17/2011
Service Guide, Unique Characteristics and Normal Operating Conditions for Two-Mode Hybrid Models

Released 8/10/2011
Comeback Prevention Information and Using Customer Concern Verification Sheets (CCVS)

Released 7/22/2011
Enhancing Field Product Reports with Digital Pictures

Released 7/22/2011
Clarification of Use - Dealer Empowerment Labor Operations and Customer Enthusiasm

Released 6/17/2011
Improperly Formatted SI Screen Characters

Released 6/9/2011
Warranty Administration-Revised Customer Concern Not Duplicated (CCND)/Verified Labor Operation Numbers/How to Submit CCND Transactions in GWM / Elimination of E9995, J9993, J9994 and J9995

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 4/18/2011
Warranty Administration - Courtesy Transportation and Roadside Assistance Programs

Released 4/13/2011
Warranty Parts Center (WPC) Special Part Request Enhancement - New Expedited Overnight Shipping Process and Form Information

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 2/16/2011
Information on Body Mount Bolt Stripped or Will Not Loosen

Released 2/3/2011
Expanded Customer Concern Not Duplicated (CCND)/Verified Labor Operation Numbers/How to Submit CCND Transactions in Global Warranty Management

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

Released 10/18/2010
Warranty Code Generated by El-50313/Charger Required for N0110, Battery Parts Rest

Released 10/13/2010
General Motors Dealership Critical Equipment Requirements and Recommendations

Released 9/2/2010
Engineering Information (EI) Process

Released 9/1/2010
Correct Selection Of Labor Codes

Released 8/23/2010
Parts Restriction on Ordering OnStar Generation 8 and Generation 9 Vehicle Communication Interface Modules (VCIM)

Released 8/6/2010
Information on Drilling High Strength Steel Related to Collision Repair

Released 7/30/2010
Electronic Exchange Program Changes

Released 7/29/2010
New Balancer Mounting Instructions for Aluminum Wheels (HD Models Only)

Released 7/23/2010
Service Guide, Unique Characteristics and Normal Operating Conditions for Two-Mode Hybrid Models

Released 7/14/2010
New Model Features and Service Guide

Released 7/1/2010
Out-of-Warranty Parts for Engineering Analysis

Released 6/17/2010
Free Agent Best Practices for HUMMER, Pontiac, Saab and Saturn Customers or Those Affected by Dealership Consolidation (U.S. Only) (SB10168)

Released 5/28/2010
Expediting Warranty Parts

Released 5/27/2010
Key Code Security Rules and Information on GM KeyCode Look-Up Application (Canada Only)

Released 5/26/2010
Warranty Admin - Warranty Claims Submission-Importance of GM Part Numbers and Parts with Date Codes

Released 5/21/2010
Improperly Formatted SI Screen Characters

Released 5/20/2010
Warranty Administration - Courtesy Transportation and Roadside Assistance Programs

Released 5/20/2010
Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information

Released 5/19/2010
Warranty Administration - Labor Operation Z1111 - Suspected Tampering or Vehicle Modifications

Released 5/18/2010
Information for Dealers on How to Submit a Field Product Report (FPR) (U.S. Dealers Only)

Released 5/17/2010
Information for Dealers on How to Submit a Product Information Report (PIR) (Canada Only)

Released 5/4/2010
Information on Tire Radial Force Variation (RFV)

Released 5/4/2010
Enhancing Field Product Reports with Digital Pictures

Released 5/3/2010
Warranty Administration-Revised Wiring Repair Labor Operations and Required Additional Information

Released 4/29/2010
Unnecessary Flushing Services, Additive Recommendations and Proper Utilization of GM Simplified Maintenance Schedule to Enhance Customer Service Experience

Released 4/26/2010
Required Return Criteria of Complete Electrical Center (EC) and Body Control Module (BCM) with Integrated Electrical Center to Warranty Parts Center (WPC)

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 2/9/2010
2011 Model Year Light Duty Truck - Vehicle Identification Number (VIN) Structure Changes

Released 1/13/2012
Properly Maintaining Vehicles in Dealer Inventory

Released 2/21/2011
Windshield Wiper Performance, Cleaning Instructions and Maintenance

Released 9/14/2010
Car and Truck Fix It Right the First Time Issues

Released 4/28/2010
New Vehicle Pre-Delivery Inspection (PDI) - Delivering Quality Vehicles and Generating Higher CSi Scores