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Get Free 2011 CHEVROLET EXPRESS G2500 V8, 6.6L; OHV; 32V; DI; Diesel; Turbo TSBs

Technical Service Bulletins

Released 7/13/2020
GE-52250 Power Smoke Diagnostic Leak Detector Turbocharger Charge Air And Induction System Tester MIL Reduced Engine Power

Released 6/5/2020
Power Steering Noise or Fluid Leak from Power Steering Pump, Gear or High Pressure Hose During Extreme Low Temperature Operation (Replace Power Steering Fluid)

Get all TSBs for 5 vehicles for only $25

TSB Description
Released 5/28/2020 Higher Than Expected Oil Consumption at 8600 GVW and Above
Released 5/27/2020 Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability
Released 5/5/2020 GE-52250 Power Smoke Diagnostic Leak Detector Turbocharger Charge Air And Induction System Tester MIL Reduced Engine Power
Released 2/28/2020 Unscheduled Supplemental Services (Including Flushing Services and Additives) and Proper Use of GM Simplified Maintenance Schedules
Released 10/14/2019 Information on Diesel Fuel Additives
Released 10/14/2019 Diagnostic Tip: Poor Engine Performance Or CEL On In Cold Ambient Temperatures On Vehicles Equipped With Turbocharged Gasoline Engines May Set One Or More Of The Following DTCs P0299 P2227
Released 10/9/2019 Information on Engine Oil Consumption Guidelines
Released 9/5/2019 Concerns or Questions Regarding Installation of Dealer Installed Accessories
Released 8/7/2019 Low Oil Pump Pressure Due To Sticking Oil Pressure Relief Valve
Released 7/10/2019 Concerns Or Questions Regarding Installation Of Dealer Installed Accessories
Released 2/19/2019 Diagnostic Tip: Poor Engine Performance Or CEL On In Cold Ambient Temperatures On Vehicles Equipped With Turbocharged Gasoline Engines May Set One Or More Of The Following DTCs P0299 P2227
Released 1/11/2019 Poor Engine Performance Or CEL On In Cold Ambient Temperatures On Vehicles Equipped With Turbocharged Gasoline Engines May Set One Or More Of The Following DTCs P0299 P2227
Released 12/6/2018 Poor Engine Performance Or CEL On In Cold Ambient Temperatures On Vehicles Equipped With Turbocharged Gasoline Engines May Set One Or More Of The Following DTCs P0171 P0172 P0299 P2227
Released 7/25/2018 Identifying Non-GM (Aftermarket) Engine Calibrations for Gasoline Engines Using Tech 2 or GDS 2 (U.S. and Canada)
Released 8/31/2017 Information on CJ-4 or CK-4 Diesel Engine Oil
Released 2/8/2016 Diagnostic Tip - Diesel Exhaust Fluid System Contamination
Released 10/31/2015 Diagnostic Tip - Exhaust Fluid Quality Poor Message Difficult To Clear
Released 1/24/2014 GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period
Released 11/11/2013 Fleet Key Option - Adding Keys / Converting
Released 9/23/2013 Diesel Engine Cooling System Filling Procedure For Vehicles Equipped With Rear Heater
Released 8/29/2013 Wax Coating on Frame Peeling, Metal Shows Corrosion/Rusting
Released 6/7/2013 IPC Odometer Programming Method Quick Reference Guide
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 7/22/2011 Car and Truck Fix it Right the First Time Issues
Released 3/14/2011 Global Information for GM dexos 1 and GM dexos 2 Engine Oil Specifications for Spark Ignited and Diesel Engines, Available Licensed Brands, and Service Fill for Adding or Complete Oil Change
Released 3/8/2011 GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period
Released 2/24/2011 Properly Maintaining Vehicles in Dealer Inventory
Released 11/18/2010 Information - Non-GM Parts and Accessories (Aftermarket)
Released 4/29/2010 Unnecessary Flushing Services, Additive Recommendations and Proper Utilization of GM Simplified Maintenance Schedule to Enhance Customer Service Experience
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 8/3/2020
Procedure For Attaching GDS2 Session Logs To Technical Assistance Cases Using Dealer Case Management (DCM) (US Dealers Only).

Released 5/27/2020
Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability

Get all TSBs for 5 vehicles for only $25

TSB Description
Released 5/20/2020 IPC Odometer Programming Method Quick Reference Guide
Released 5/7/2020 New Vehicle Pre-Delivery Inspection (PDI) - Delivering Quality Vehicles and Generating Higher CSi Scores
Released 5/6/2020 Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability
Released 4/14/2020 Underbody Component Corrosion
Released 4/3/2020 Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability
Released 3/20/2020 Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability
Released 3/18/2020 Warranty Administration - Courtesy Transportation and Roadside Assistance Programs
Released 1/21/2020 Warranty Administration - Repurchase Vehicle Dealer Processing Fee Labor Operation and Submission Guidelines (U.S. ONLY)
Released 12/12/2019 Service Programming System (SPS) Errors (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961)
Released 11/25/2019 Use of Dealer Case Management (DCM) and Technician Preparedness for Contacting U.S. Technical Assistance (TAC)
Released 11/19/2019 Wax Coating on Frame Peeling, Metal Shows Corrosion/Rusting (U.S. and Canada Only)
Released 10/16/2019 Information for Dealers on How to Submit a Product Information Report (PIR) (Canada Only)
Released 9/6/2019 Procedure For Attaching GDS2 Session Logs To Technical Assistance Cases Using Dealer Case Management (US Dealers Only).
Released 9/5/2019 Creak/Pop Noise From Front Over Bumps
Released 8/19/2019 GM Wiring Repair Strategy Information
Released 6/26/2019 Information for Electrical Ground Repair - Use New Replacement Fasteners with Conductive Finish
Released 6/19/2019 Warranty Administration - Warranty SPS Control Module Reprogramming
Released 5/2/2019 Use of Dealer Case Management (DCM) and Technician Preparedness for Contacting U.S. Technical Assistance (TAC)
Released 4/23/2019 Intermittent Sunroof Operation, Bind, Noise, Auto-reverse, and/or Water Leaks
Released 4/1/2019 Information on Proper Use of Floor Mats
Released 3/28/2019 Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information
Released 3/25/2019 New Vehicle Pre-Delivery Inspection (PDI) - Delivering Quality Vehicles and Generating Higher CSi Scores
Released 3/25/2019 Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability
Released 3/22/2019 Engineering Information (EI) Process
Released 3/22/2019 Information on Proper Use of Floor Mats
Released 3/18/2019 Information for Electrical Ground Repair - Use New Replacement Fasteners with Conductive Finish
Released 3/14/2019 Properly Maintaining Vehicles in Dealer Inventory
Released 3/13/2019 Procedure For Attaching GDS2 Session Logs To Technical Assistance Cases Using Dealer Case Management (US Dealers Only)
Released 3/13/2019 Procedure For Emailing Global Diagnostic System 2 (GDS2) Session Log To GM TAC (US and Canada Dealers Only).
Released 3/8/2019 Procedure For Emailing Global Diagnostic System 2 (GDS2) Session Log To GM TAC (US and Canada Dealers Only)
Released 3/6/2019 Verifying Odometer Accuracy
Released 2/26/2019 Requesting a New Key Code for Customer with Lost or Stolen Keys
Released 2/15/2019 Diagnostic Tips For I/M Flags Resetting After Ignition Cycled
Released 2/14/2019 Wax Coating on Frame Peeling, Metal Shows Corrosion/Rusting (U.S. and Canada Only)
Released 2/8/2019 Warranty Administration â€“ Labor Operation 0600014 â€“ Suspected Tampering or Vehicle Modifications
Released 2/5/2019 Properly Maintaining Vehicles in Dealer Inventory
Released 1/31/2019 Use of Dealer Case Management (DCM) and Technician Preparedness for Contacting U.S. Technical Assistance (TAC)
Released 1/31/2019 Comeback Prevention Information and Using Customer Concern Verification Sheets (CCVS)
Released 1/18/2019 Warranty Administration - Revised Wiring Repair Labor Operations and Required Additional Information
Released 1/14/2019 Warranty Administration - Required Operating Procedures (U.S. Only)
Released 1/2/2019 Photographing Various Vehicle Concerns and Submitting Them to the GM Technical Assistance Center (TAC)
Released 12/21/2018 Warranty Administration - Customer Concern Not Duplicated (CCND) Labor Operation Numbers
Released 12/17/2018 GM TAC Support of Vehicle Vibration Complaints - U.S. and Canada Dealers Only
Released 12/13/2018 Available Stop And Turn Lamp Options/Diagnostic Information
Released 12/13/2018 Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC)
Released 12/5/2018 Warranty Administration - Warranty, SPS, Control Module Diagnostics and Configuration Information, Programming, Set-Up
Released 12/5/2018 Information on Passenger Presence Sensing System (PPS or PSS) Concerns with Custom Upholstery, Accessory Seat Heaters or Other Comfort Enhancing Devices
Released 11/30/2018 Identifying Non-GM (Aftermarket) Engine Calibrations for Gasoline Engines Using Tech 2 or GDS 2 (U.S. and Canada)
Released 11/27/2018 Information for Dealers/Service Advisors on When and How to Submit a Pre-Repair Authorization (PRA) (U.S. Dealers Only)
Released 11/20/2018 Diagnostic Tips: XM Audio Traffic And Travel Link Availability And Operation
Released 11/20/2018 Information for Dealers/Technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only)
Released 11/20/2018 Requirements For OnStar Over The Air Programming And Updates
Released 11/5/2018 Working with GM on a Product Assistance Claim (PAC)
Released 11/2/2018 Warranty Administration - Guidelines for Multiple Repairs with Independent Causes (GM Canada Dealers only)
Released 10/30/2018 Warranty Administration - Labor Operation 0600018 - Personal Property Damage
Released 10/26/2018 Use of Surface Conditioning Disks When Cleaning Gasket Sealing Surfaces and/or Reused Parts
Released 10/23/2018 Vehicle Vibration Diagnosis and TAC Requests For Assistance With Vibration Related Complaints
Released 10/19/2018 Vehicle Vibration Diagnosis and TAC Requests For Assistance With Vibration Related Complaints
Released 10/17/2018 Vehicle Vibration Diagnosis and TAC Requests For Assistance With Vibration Related Complaints
Released 10/15/2018 SES Light, Misfire, DTC P0300, And/or A Chirp, Squeak, Squeal, Or Tick Noise - Potential
Released 10/10/2018 AC Blows Warm or Poor Performance
Released 10/8/2018 PAC Courtesy Transportation Assistance Program
Released 10/3/2018 Diagnostic Tip: Fuel Injected Gasoline Engines Possible No Start Extended Crank or Fuel Pressure Related DTCs
Released 10/3/2018 IPC Odometer Programming Method Quick Reference Guide
Released 10/3/2018 Engine Replacement After Severe Internal Engine Damage - Replace Intake Manifold
Released 10/3/2018 Safety - Kidde Fire Extinguisher
Released 9/11/2018 Warranty Administration - Essential Tools that Include Consumable Parts (U.S. Only)
Released 9/5/2018 Information on A/C Odors During Start Up in Hot Humid Climates
Released 8/28/2018 Procedure For Emailing Global Diagnostic System 2 (GDS2) Session Log To GM TAC (US and Canada Dealers Only)
Released 8/24/2018 Variable Diagnostic Time Allowances (U.S. Only)
Released 8/22/2018 OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification
Released 8/22/2018 Rear and Side Tempered Glass Spots (Quench Marks)
Released 8/22/2018 Hem Flange Rust Repair
Released 8/22/2018 Diagnostic Tips for Odor Emanating from HVAC System
Released 8/22/2018 Adding Cruise Control (RPO K34)
Released 8/22/2018 Damaged, Disassembled or Improperly Packaged Turbochargers Returned to Warranty Part Center
Released 8/8/2018 Alleged Cylinders Out Of Round
Released 8/8/2018 Diagnostic Tip - Diesel Exhaust Fluid System Contamination
Released 8/2/2018 Higher Than Expected Oil Consumption at 8600 GVW and Above
Released 7/30/2018 Diagnostic Tip - Diesel Fuel System Contamination
Released 7/25/2018 Identifying Non-GM (Aftermarket) Engine Calibrations for Gasoline Engines Using Tech 2 or GDS 2 (U.S. and Canada)
Released 7/24/2018 Intake Manifold Inspection/Replacement After Severe Internal Engine Damage
Released 7/24/2018 Information on Internal Engine Noise or Damage After Oil Filter Replacement
Released 7/23/2018 Aftermarket ALDL or DLC Interface Devices Causing Multiple Issues
Released 7/23/2018 Information on Diesel Fuel Additives
Released 7/20/2018 Clean Exhaust Filter See Owners Manual Now, Cleaning Exhaust Filter Keep Driving Until Message is Cleared or Diesel Partic Filter is Full Continue Driving Displayed on DIC, DTC P2463 May Be Set
Released 7/3/2018 Intermittent Sunroof Operation, Bind, Noise, Auto-reverse, and/or Water Leaks
Released 6/22/2018 Dealer Responsibility for Cargo Carrying Capacity Labeling
Released 6/20/2018 AC Blows Warm or Poor Performance
Released 6/19/2018 Diagnostic Tip - Diesel Exhaust Fluid System Contamination
Released 6/18/2018 Diagnostic Tip - Diesel Fuel System Contamination
Released 5/30/2018 Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information
Released 5/23/2018 Diagnostic Tip: Apple Device Connectivity Issues due to USB Cord Concern
Released 5/14/2018 Warranty Administration - Required Operating Procedures (U.S. Only)
Released 5/10/2018 Warranty Administration - Courtesy Transportation and Roadside Assistance Programs
Released 5/4/2018 Warranty Administration - Proper Labor Operation Selection and Causal Part Identification for Warranty Transactions
Released 4/27/2018 Safety - Kidde Fire Extinguisher
Released 4/20/2018 Accessory Power Outlet and Trailer Lighting Fuse Replacement Labor Operation 5430130 Fuse Replacement
Released 4/19/2018 Information on Engine Oil Life Monitor Operation Calculation
Released 4/13/2018 Diagnostic Tip - School Bus Brake Warning System RPO UJ1 Functional Test And Diagnostics
Released 4/9/2018 Information on Water or Ethylene Glycol in Transmission Fluid
Released 4/9/2018 Multiple Electrical Concerns, Intermittent Multiple Instrument Panel Cluster (IPC) Warning Lamps Illuminated, Intermittent Multiple Message on Drivers Information Center (DIC), Intermittent and/or Inoperative Loss of Interior and Exterior Lighting, Engine
Released 4/6/2018 Underbody Component Corrosion
Released 4/5/2018 Information on Diesel Fuel Gelling in Cold Temperatures Causing the In-Tank Fuel Pump to Whine and Driveability Concerns
Released 4/4/2018 Wax Coating on Frame Peeling, Metal Shows Corrosion/Rusting (U.S. and Canada Only)
Released 3/12/2018 Normal Characteristic - Sag Or Hesitation On Acceleration
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 11/20/2017 Diagnostic Tip- Information for U0140 or U0073 (BCM Appears Off Line On The High Speed Buss)
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 6/21/2017 Front Shock Mount Bracket Crack (Install Reinforcement)
Released 3/7/2017 Fleet Key Option - Adding Keys / Converting
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 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 10/11/2016 Special Coverage Adjustment - Diesel-Emission-Reduction Fluid Tank
Released 9/30/2016 Intermittent MIL/Check Engine Light On, DTC P013B and P013D Set
Released 9/30/2016 Inadvertent Horn, Light, Remote Start, Lock/Unlock Activation or Charging Schedule Change
Released 9/30/2016 Loose Feel in Seat or Seat Back
Released 9/30/2016 Vehicle Runs Rough or Misfires, MIL May Not be Illuminated
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 Appearance of Discoloration or Corrosion Near Edges/Openings on Chrome Bumpers
Released 9/30/2016 Engine Control Module DTC P2610 (Control Module Ignition Off Timer Performance) Setting Malfunction Indicator Lamp (MIL)
Released 9/19/2016 Available Stop And Turn Lamp Options/Diagnostic Information
Released 8/1/2016 Information on Diesel Exhaust Fluid (DEF)
Released 6/30/2016 Brake Hydroboost Leaking Power Steering Fluid
Released 6/22/2016 Filling the Cooling System, Diagnosing and Replacing Leaking Cylinder Head Gaskets on a 6.6 Duramax Diesel
Released 5/27/2016 Emergency Vehicle Reduced Power
Released 5/2/2016 Duramax Diesel Hard Start, No Start, DTCs P0087, P0088, P0191, P128E or Injection Pump Replacement
Released 2/9/2016 Cold Engine Tick Noise That May Last Up To 50 Seconds
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 11/6/2015 Diagnostic Tips for Reduced Acceleration at Low Speed and/or Transmission Slipping from a Launch, DTC P0751 Set
Released 10/31/2015 Noise and/or Shake Felt While Driving
Released 10/31/2015 Product Safety - Chassis Electronic Control Module Internal Contamination
Released 10/31/2015 Exterior Lighting Inoperative - Incorrect Upfitter BCM Connections
Released 8/29/2015 Wax Coating on Frame Peeling, Metal Shows Corrosion/Rusting (U.S. and Canada Only)
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 Front Shock Mount Bracket Crack (Install Reinforcement)
Released 6/27/2015 SES Lamp With Camshaft Actuator Codes After SI Diagnosis Have Been Followed
Released 6/1/2015 Customer Satisfaction - Torque Converter Clutch Wear
Released 6/1/2015 Reduced Engine Power with Service Engine Message Displayed and DTC P2263 Set
Released 6/1/2015 Higher Than Expected Oil Consumption at 8600 GVW and Above
Released 6/1/2015 HVAC Vent and Floor Mode Selection Inoperative
Released 5/16/2015 Low Beam Headlamp Bulb Diagnosis/Replacement (Inspect Bulb and Connector)
Released 5/12/2015 Information on Higher Than Expected Oil Consumption
Released 5/12/2015 Customer Satisfaction - Rear Axle Grinding Noise, Vibration - Inspect Rear Axle
Released 3/28/2015 Aftermarket ALDL or DLC Interface Devices Causing Multiple Issues
Released 12/5/2014 Information on Exhaust Fluid Range, Exhaust Fluid Quality Poor, Service Exhaust Fluid System or Service Emission System Driver Information Center Messages
Released 11/13/2014 6.6L Duramax Fuel Injection Pump Part Restriction
Released 8/28/2014 Information on Diesel Exhaust Fluid (DEF) Filling Instructions, Frozen Tank Status and General 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 8/15/2014 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 Inside Rear View Mirror is Loose and/or Mirror Mounting Bracket Fell Off
Released 7/23/2014 Diagnosing Power Steering Concerns
Released 7/17/2014 F/CMVSS Noncompliance - Passenger Side Instrument Panel Performance
Released 7/17/2014 F/CMVSS Noncompliance - Passenger Side Instrument Panel Performance
Released 7/17/2014 Outside Door Handle Does Not Open, Lock Rods Loose
Released 7/17/2014 F/CMVSS Noncompliance - Passenger Side Instrument Panel Performance
Released 7/17/2014 F/CMVSS Noncompliance - Passenger Side Instrument Panel Performance
Released 7/17/2014 F/CMVSS Noncompliance - Passenger Side Instrument Panel Performance
Released 7/16/2014 Duramax Diesel Glow Plugs Difficult to Install Due to Carbon Buildup - New Glow Plug Bore Reamer Available
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 6/24/2014 Additional Diagnostics For DTC P0420 And Or P24A0
Released 6/19/2014 Radio Reprogramming Using Techline/Service Programming System (SPS) - Ensuring Correct Vehicle Selection
Released 5/16/2014 DTC Symptom Byte Documentation
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 1/24/2014 GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period
Released 1/17/2014 Outside Door Handle Does Not Open, Lock Rods Loose
Released 1/4/2014 Proper Wheel Installation and Wheel Torque Techniques
Released 11/11/2013 Fleet Key Option - Adding Keys / Converting
Released 10/4/2013 Diagnostic Tip: Diagnosing Vehicles with OnStar DTC B101D-37
Released 10/1/2013 Information on Glass Ultra Violet UV Ray Protection And Tint Percentage
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 6/28/2013 Malfunction Indicator Lamp (MIL) On, Various O2 Sensor DTCs Set
Released 6/19/2013 Information on Slight Vehicle Movement in Park at Start Up After Cold Soak
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 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 New Service Cam Bearings For Gen IV V8 Engines
Released 3/22/2013 Vibration Analysis Worksheet
Released 3/8/2013 Whine Noise - Varies with Engine Speed
Released 3/1/2013 Paint-less Dent Repair Process
Released 3/1/2013 No Crank/No Start, Dead Battery Due to Parasitic Drain/Discharge
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 2/8/2013 Windshield Wiper Motor Service Part Update
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 IPC Odometer Programming Method Quick Reference Guide
Released 9/4/2012 Information on Normal Maintenance or Warranty Service for 4T40, 4T45, 4T65, 4L60 Automatic Transmission Oil Pan Magnet Upgrade
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 4/13/2012 Diagnosis and Repair - Malfunction Indicator Lamp (MIL) Illuminated, Reduced Engine Power Message Displayed, DTC P2135 Set
Released 3/19/2012 Hem Flange Rust Repair
Released 3/13/2012 Drive Belt Noise or Chirp on Duramax Diesel Engines with Dual Alternators
Released 2/28/2012 MIL Illuminated, DTCs P0961, P0965, P0969, P2762 and Battery Has Been Relocated
Released 2/4/2012 Diagnostic Information for Transmission No Forward, No Reverse, Slips, Cracked/Split Fluid Filter
Released 1/19/2012 Properly Maintaining Vehicles in Dealer Inventory
Released 1/19/2012 Damaged, Disassembled or Improperly Packaged Turbochargers Returned to Warranty Parts Center
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 1/14/2012 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 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 9/14/2011 Information on Body Control Module (BCM) Grounds
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 6/7/2011 Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability
Released 4/14/2011 New Vehicle Pre-Delivery Inspection (PDI) - Delivering Quality Vehicles and Generating Higher CSi Scores
Released 4/11/2011 Right Side Intermediate Swing-Out Door (60 Door) Contacting Front Passenger Door (Install 60 Door Check Strag Bumper)
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 3/1/2011 Paint-less Dent Repair Process
Released 2/24/2011 Properly Maintaining Vehicles in Dealer Inventory
Released 2/21/2011 Windshield Wiper Performance, Cleaning Instructions and Maintenance
Released 2/2/2011 Seat Belt Buckle Latching Issues and/or Seat Belt Warning Lights Illuminated
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 11/19/2010 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 10/14/2010 Driver/Passenger Side Windshield Pillar Garnish Molding Loose, Gap at Top (Install N
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 8/13/2010 Information on Removing Protective Film Bumper Covers Upon Delivery of Vehicle (PDI)
Released 7/20/2010 Driver and/or Passenger Side Windshield Pillar Garnish Molding Loose, Gap at Top (Install New Fasteners)
Released 6/30/2010 Information on Hem Flange Sealer for Corrosion Protection
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 6/26/2020
Brake Pedal Moves or Self Applies at Full Turns

Released 4/6/2020
Diagnostic Tip - School Bus Brake Warning System RPO UJ1 Functional Test and Diagnostics

Get all TSBs for 5 vehicles for only $25

TSB Description
Released 6/24/2019 Brake Pedal Moves or Self Applies at Full Turns
Released 5/13/2019 Brake Pedal Moves or Self Applies at Full Turns
Released 12/13/2018 Diagnostic Tip - School Bus Brake Warning System RPO UJ1 Functional Test And Diagnostics
Released 12/5/2018 Warranty Administration - Warranty, SPS, Control Module Diagnostics and Configuration Information, Programming, Set-Up
Released 4/13/2018 Diagnostic Tip - School Bus Brake Warning System RPO UJ1 Functional Test And Diagnostics
Released 1/31/2017 Brake Pedal Moves Or Self Applies At Full Turns
Released 9/14/2016 Service StabiliTrak Message Displayed in DIC, StabiliTrak Indicator Light On, DTC C0455 and/or C0710 Set
Released 6/30/2016 Brake Hydroboost Leaking Power Steering Fluid
Released 5/11/2016 Brake Pedal Moves Or Self Applies At Full Turns
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 10/31/2015 Diagnostic Tip - School Bus Brake Warning System RPO UJ1 Functional Test and Diagnostics
Released 8/22/2015 Product Safety - Rear Brake Line Contact (Canada Only)
Released 3/28/2015 Special Coverage Adjustment - Inadequate Clearance of Fuel Fill Pipe Clamp to Brake Lines
Released 3/1/2015 Special Coverage Adjustment - Inadequate Clearance of Fuel Fill Pipe Clamp to Brake Lines
Released 3/22/2013 Aftermarket ALDL or DLC Interface Devices Causing Multiple Issues
Released 3/21/2012 Service StabiliTrak Message Displayed in DIC, StabiliTrak Indicator Light On, DTC C0455 and/or C0710 Set
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 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 Steering Noise When Turning (Replace Power Steering Cooler Pipe and Booster Outlet Hose Assembly)
Released 3/21/2011 Car and Truck Fix it Right the First Time Issues
Released 1/17/1997 Car and Truck Fix it Right the First Time Issues

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

Released 6/30/2016
Brake Hydroboost Leaking Power Steering Fluid

Get all TSBs for 5 vehicles for only $25

TSB Description
Released 6/22/2016 Filling the Cooling System, Diagnosing and Replacing Leaking Cylinder Head Gaskets on a 6.6 Duramax Diesel
Released 3/3/2016 Diesel Engine Cooling System Filling Procedure For Vehicles Equipped With Rear Heater
Released 8/8/2015 Diagnostic Tip - Engine Cooling System Fill Procedure For Vehicles Equipped With Rear Heater
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 8/15/2014 Diesel Engine Cooling System Filling Procedure For Vehicles Equipped With Rear Heater - Diagnostic Tip
Released 9/23/2013 Diesel Engine Cooling System Filling Procedure For Vehicles Equipped With Rear Heater
Released 4/12/2013 Engineering Information - Service Engine Soon Lamp Illuminated, Increased Engine Noise, Perceived Higher RPM Shift Points (Caused By Excessive Cooling Fan Noise) or Reduced A/C Performance At Low Vehicle Speeds
Released 3/26/2012 Automatic Transmission Oil Cooler Flow Test Essential Tool J-45096 TransFlow
Released 3/13/2012 Drive Belt Noise or Chirp on Duramax Diesel Engines with Dual Alternators
Released 8/29/2011 Engine Oil Leak at Engine Oil Cooler Hose/Pipe Adapter to Engine Connection (Duagnose and Repair as Outlined)
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 4/13/2011 Steering Noise When Turning (Replace Power Steering Cooler Pipe and Booster Outlet Hose Assembly)
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 4/29/2010 Unnecessary Flushing Services, Additive Recommendations and Proper Utilization of GM Simplified Maintenance Schedule to Enhance Customer Service Experience

Released 7/24/2020
Diagnostic Tip - Security Light on Intermittently / No Crank/No Start or Start Stall / Keyless Access Vehicles May Display No Remote/Fob Detected / Poor or No RKE Range / Service TPM

Released 6/26/2020
Duramax Intermittent High Idle Or Elevated Idle Descriptions

Get all TSBs for 5 vehicles for only $25

TSB Description
Released 6/26/2020 Procedure For Emailing Global Diagnostic System 2 (GDS2) Session Log To GM TAC (US and Canada Dealers Only)
Released 5/21/2020 Misfire Template
Released 5/20/2020 IPC Odometer Programming Method Quick Reference Guide
Released 5/14/2020 IPC Odometer Programming Method Quick Reference Guide
Released 4/2/2020 Available Stop and Turn Lamp Options/Diagnostic Information
Released 3/26/2020 Adding Cruise Control (RPO K34)
Released 11/26/2019 Key Code Security Rules and Information on GM KeyCode Look-Up Application (U.S. Only)
Released 11/5/2019 J-35616-64B Or EL-35616-58 Terminal Test Probe Information/Repair
Released 8/19/2019 GM Wiring Repair Strategy Information
Released 6/3/2019 J-35616-64B Terminal Test Probe / Replacement Terminal / Terminated Lead
Released 5/28/2019 Procedure For Attaching GDS2 Session Logs To Technical Assistance Cases Using Dealer Case Management (US Dealers Only).
Released 4/23/2019 Intermittent Sunroof Operation, Bind, Noise, Auto-reverse, and/or Water Leaks
Released 1/29/2019 Cold Weather and Long Stand Time Battery Maintenance and Testing Tips
Released 1/18/2019 Warranty Administration - Revised Wiring Repair Labor Operations and Required Additional Information
Released 12/13/2018 Exterior Lamp Condensation and Replacement Guidelines
Released 12/13/2018 Available Stop And Turn Lamp Options/Diagnostic Information
Released 11/30/2018 Identifying Non-GM (Aftermarket) Engine Calibrations for Gasoline Engines Using Tech 2 or GDS 2 (U.S. and Canada)
Released 11/20/2018 Diagnostic Tips: XM Audio Traffic And Travel Link Availability And Operation
Released 11/20/2018 Requirements For OnStar Over The Air Programming And Updates
Released 10/23/2018 Vehicle Vibration Diagnosis and TAC Requests For Assistance With Vibration Related Complaints
Released 10/3/2018 IPC Odometer Programming Method Quick Reference Guide
Released 8/28/2018 Procedure For Emailing Global Diagnostic System 2 (GDS2) Session Log To GM TAC (US and Canada Dealers Only)
Released 8/24/2018 Variable Diagnostic Time Allowances (U.S. Only)
Released 8/22/2018 Adding Cruise Control (RPO K34)
Released 8/8/2018 Diagnostic Tip - Diesel Exhaust Fluid System Contamination
Released 7/24/2018 Information on Internal Engine Noise or Damage After Oil Filter Replacement
Released 7/23/2018 Aftermarket ALDL or DLC Interface Devices Causing Multiple Issues
Released 7/3/2018 Intermittent Sunroof Operation, Bind, Noise, Auto-reverse, and/or Water Leaks
Released 6/18/2018 Diagnostic Tip - Diesel Fuel System Contamination
Released 5/23/2018 Diagnostic Tip: Apple Device Connectivity Issues due to USB Cord Concern
Released 4/20/2018 Accessory Power Outlet and Trailer Lighting Fuse Replacement Labor Operation 5430130 Fuse Replacement
Released 4/13/2018 Diagnostic Tip - School Bus Brake Warning System RPO UJ1 Functional Test And Diagnostics
Released 4/9/2018 Multiple Electrical Concerns, Intermittent Multiple Instrument Panel Cluster (IPC) Warning Lamps Illuminated, Intermittent Multiple Message on Drivers Information Center (DIC), Intermittent and/or Inoperative Loss of Interior and Exterior Lighting, Engine
Released 4/5/2018 Information on Diesel Fuel Gelling in Cold Temperatures Causing the In-Tank Fuel Pump to Whine and Driveability Concerns
Released 2/28/2018 Red LED, No WiFi Operation, and/or Limited OnStar Module Functionality After OnStar Module Replacement for Another Condition
Released 2/27/2018 Any Of The Following Fuses Blown F22PA F7UA F9UA F8UA F10UA F11UA F12UA F14UA F25UA F26UA F27UA F28UA F29UA F46UA F58UA F59UA F72UA and/or F75UA
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 5/24/2017 Adding Cruise Control (RPO K34)
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 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 Available Stop And Turn Lamp Options/Diagnostic Information
Released 10/31/2015 Low Beam Headlamp Bulb Diagnosis/Replacement (Inspect Bulb and Connector)
Released 10/31/2015 Exterior Lighting Inoperative - Incorrect Upfitter BCM Connections
Released 4/25/2015 Diagnostic Tip - Vehicle Start And Stalls After Theft Deterrent Module Replacement
Released 3/28/2015 Aftermarket ALDL or DLC Interface Devices Causing Multiple Issues
Released 3/28/2015 Special Coverage Adjustment - Nitrogen Oxide (NOx) Sensor
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 8/8/2014 Concerns Or Questions Regarding The Installation Of Dealer Installed Accessories
Released 7/17/2014 F/CMVSS Noncompliance - Passenger Side Instrument Panel Performance
Released 7/17/2014 F/CMVSS Noncompliance - Passenger Side Instrument Panel Performance
Released 7/17/2014 Accessory Power Outlet and Trailer Lighting Fuse Replacement - Use GLC Labor Operation 5430130 Fuse Replacement
Released 7/17/2014 F/CMVSS Noncompliance - Passenger Side Instrument Panel Performance
Released 7/17/2014 F/CMVSS Noncompliance - Passenger Side Instrument Panel Performance
Released 7/17/2014 F/CMVSS Noncompliance - Passenger Side Instrument Panel Performance
Released 7/14/2014 Powertrain and Various Electrical/Electronic Control Issues
Released 6/24/2014 Additional Diagnostics For DTC P0420 And Or P24A0
Released 6/24/2014 Service Charging System Message Or Low Volt Gauge Reading After Cold
Released 6/19/2014 Radio Reprogramming Using Techline/Service Programming System (SPS) - Ensuring Correct Vehicle Selection
Released 6/3/2014 DTCs P0601 P0603 P0604 P062F or P1621 (Stored In The TCM)
Released 5/29/2014 Service Charging System Message Or Low Volt Gauge Reading After Cold Star
Released 5/16/2014 DTC Symptom Byte Documentation
Released 3/28/2014 Available Stop And Turn Lamp Options/Diagnostic Information
Released 2/8/2014 F/CMVSS Noncompliance - Passenger Side Instrument Panel Performance
Released 2/8/2014 F/CMVSS Noncompliance - Passenger Side Instrument Panel Performance
Released 2/1/2014 No Audio On Certain XM Radio Channels
Released 1/16/2014 Service Charging System Message Or Low Volt Gauge Reading After Cold Start
Released 1/8/2014 Aftermarket Back Up Alarm Sounds When Using RKE To Unlock Doors
Released 11/11/2013 Fleet Key Option - Adding Keys / Converting
Released 10/25/2013 Information on Exhaust Fluid Range, Exhaust Fluid Quality Poor, Service Exhaust Fluid System or Service Emission System Driver Information Center Messages
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 8/2/2013 Product Safety - Compressed Natural Gas (CNG) Fuel Tank Shut-Off Solenoid Connector
Released 6/28/2013 Special Coverage Adjustment - Throttle Position Sensor Replacement
Released 6/19/2013 Information on Slight Vehicle Movement in Park at Start Up After Cold Soak
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 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 Aftermarket ALDL or DLC Interface Devices Causing Multiple Issues
Released 3/22/2013 OnStar Will Not Power Up
Released 3/1/2013 Paint-less Dent Repair Process
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 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 2/28/2012 MIL Illuminated, DTCs P0961, P0965, P0969, P2762 and Battery Has Been Relocated
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 9/14/2011 Information on Body Control Module (BCM) Grounds
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 6/6/2011 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 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 3/21/2011 Car and Truck Fix it Right the First Time Issues
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 1/5/2011 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 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 6/28/2010 Intermittent Malfunction Indicator Lamp (MIL) Illuminated, DTC P2138 with Reduced Engine Power (Repair Instrument Panel (IP) to Body Harness Connector)
Released 6/11/2010 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 3/12/2018
Normal Characteristic - Sag Or Hesitation On Acceleration

Released 2/21/2018
Special Coverage Adjustment - Diesel-Emission-Reduction Fluid Tank

Get all TSBs for 5 vehicles for only $25

TSB Description
Released 8/29/2017 Duramax Intermittent High Idle Or Elevated Idle Descriptions
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 Diesel Exhaust Fluid (DEF) Filling Instructions, Frozen Tank Status and General Information
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 10/11/2016 Special Coverage Adjustment - Diesel-Emission-Reduction Fluid Tank
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 8/1/2016 Information on Diesel Exhaust Fluid (DEF)
Released 5/27/2016 Emergency Vehicle Reduced Power
Released 4/12/2016 Customer Satisfaction - Emergency Vehicle Reduced Power
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 6/1/2015 Special Coverage Adjustment - Plugged EGR Cooler
Released 6/1/2015 Product Emission - Oxygen Sensor Fracture
Released 6/1/2015 Exhaust Fluid Quality Poor Message Displayed, Reductant Fluid Quality Test Status will Pass, Time Out, Fail or Interrupt
Released 6/1/2015 Additional Diagnostics For DTC P0420 And Or P24A0
Released 3/28/2015 Special Coverage Adjustment - Nitrogen Oxide (NOx) Sensor
Released 12/5/2014 Information on Exhaust Fluid Range, Exhaust Fluid Quality Poor, Service Exhaust Fluid System or Service Emission System Driver Information Center Messages
Released 10/1/2014 Product Emission - Oxygen Sensor Fracture
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 7/17/2014 Product Emiission - Oxygen Sensor Fracture
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 10/25/2013 Information on Exhaust Fluid Range, Exhaust Fluid Quality Poor, Service Exhaust Fluid System or Service Emission System Driver Information Center Messages
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 9/11/2013 Exhaust Fluid Quality Poor Message Difficult To Clear
Released 6/28/2013 Malfunction Indicator Lamp (MIL) On, Various O2 Sensor DTCs Set
Released 4/12/2013 Engineering Information - Service Engine Soon Lamp Illuminated, Increased Engine Noise, Perceived Higher RPM Shift Points (Caused By Excessive Cooling Fan Noise) or Reduced A/C Performance At Low Vehicle Speeds
Released 4/4/2013 Cold Engine Tick Noise That May Last Up To 50 Seconds
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 1/22/2013 Exhaust Fluid Quality Poor Message Difficult To Clear
Released 1/14/2013 Rough Idle And/Or Lack Of Power On Acceleration After Cold Start - Possible Characteristic
Released 1/14/2013 Rough Idle And/Or Lack Of Power On Acceleration After Cold Start - Possible Characteristic
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 Information on Exhaust Fluid Range, Exhaust Fluid Quality Poor, Service Exhaust Fluid System or Service Emission System Driver Information Center Messages
Released 4/13/2012 Diagnosis and Repair - Malfunction Indicator Lamp (MIL) Illuminated, Reduced Engine Power Message Displayed, DTC P2135 Set
Released 3/3/2012 Warranty, SPS, Control Module Diagnostics and Configuration Information, Programming, Set-Up
Released 2/12/2012 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 2/10/2012 Service Programming System (SPS) Errors (E4398, E4399, E4403, E4404 E4413, E4414, E4423 or E4491, E4494)
Released 1/19/2012 Information on Removing Seized Exhaust Temperature Sensors
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 1/17/1997 Car and Truck Fix it Right the First Time Issues

Released 6/27/2019
Identifying Non-GM (Aftermarket) Engine Calibrations for Gasoline Engines Using Tech 2 or GDS 2 (U.S. and Canada)

Released 3/6/2019
Catalytic Converter Break-In Information To Prevent DTCs P0420 And/Or P0430

Get all TSBs for 5 vehicles for only $25

TSB Description
Released 7/20/2018 Clean Exhaust Filter See Owners Manual Now, Cleaning Exhaust Filter Keep Driving Until Message is Cleared or Diesel Partic Filter is Full Continue Driving Displayed on DIC, DTC P2463 May Be Set
Released 6/19/2018 Diagnostic Tip - Diesel Exhaust Fluid System Contamination
Released 2/1/2018 Exhaust Leak or Vibration/Rattle Noise at Approximately 900 RPM, Fuel Smell, White Smoke, Oily Substance on Exhaust Downpipe
Released 11/16/2016 Diagnostic Tip for Excessive Smoke From Tail Pipe, DTC P2002 Set
Released 3/23/2016 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 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 10/31/2015 Diesel Oxidation Converter Part Restriction
Released 10/31/2015 Diesel Oxidation Converter Part Restriction Has Ended
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 7/25/2015 SES Lamp P0420
Released 7/18/2015 SES Lamp P0420
Released 7/12/2015 Special Coverage Adjustment - Diesel-Emission-Reduction Fluid Tank
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 12/5/2014 Information on Exhaust Fluid Range, Exhaust Fluid Quality Poor, Service Exhaust Fluid System or Service Emission System Driver Information Center Messages
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 8/28/2014 Information on Diesel Exhaust Fluid (DEF) Filling Instructions, Frozen Tank Status and General Information
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 7/17/2014 Exhaust Fluid Quality Poor Message Displayed, Reductant Fluid Quality Test Status will Pass, Time Out, Fail or Interrupt
Released 6/19/2014 Additional Diagnostics For DTC P0420 And Or P24A0
Released 6/4/2014 Diesel Oxidation Converter Part Restriction
Released 5/14/2014 Catalytic Converter Break-In Information To Prevent DTCs P0420 And/Or P0430
Released 5/2/2014 Service Exhaust Fluid System Message Displayed With DTCs P203D P21AB Or P21B0
Released 4/24/2014 Service Exhaust Fluid System Message Displayed With DTCs P203D P21AB Or P21B0
Released 3/19/2014 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 2/5/2014 Cold Engine Tick Noise That May Last Up To 50 Seconds
Released 11/15/2013 Exhaust Leak or Vibration/Rattle Noise at Approximately 900 RPM, Fuel Smell, White Smoke, Oily Substance on Exhaust Downpipe
Released 10/25/2013 Information on Exhaust Fluid Range, Exhaust Fluid Quality Poor, Service Exhaust Fluid System or Service Emission System Driver Information Center Messages
Released 6/24/2013 Catalytic Converter Break-In Information To Prevent DTCs P0420 And/Or P0430
Released 4/22/2013 SES Lamp P0420
Released 2/4/2013 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 Information on Exhaust Fluid Range, Exhaust Fluid Quality Poor, Service Exhaust Fluid System or Service Emission System Driver Information Center Messages
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 2/8/2012 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 1/1/2012 Exhaust Leak or Vibration/Rattle Noise at Approximately 900 RPM, Fuel Smell, White Smoke, Oily Substance on Exhaust Downpipe
Released 12/29/2011 Exhaust Leak or Vibration/Rattle Noise at Approximately 900 RPM, Fuel Smell, White Smoke, Oily Substance on Exhaust Downpipe
Released 12/24/2011 Exhaust Leak or Vibration/Rattle Noise at Approximately 900 RPM, Fuel Smell, White Smoke, Oily Substance on Exhaust Downpipe
Released 3/21/2011 Car and Truck Fix it Right the First Time Issues
Released 9/14/2010 Car and Truck Fix It Right the First Time Issues

Released 5/21/2020
Misfire Template

Released 5/8/2020
EPA Summer Grade Gasoline Waiver Allows Use of Winter Grade Surplus Potential Drivability Concerns P0300 P0171 P0174 P228C Fuel Smell Odor Longer Extended Cranking Time Hesitation Engine Stalls

Get all TSBs for 5 vehicles for only $25

TSB Description
Released 1/14/2020 Diagnostic Tip: Poor Engine Performance Or CEL On In Cold Ambient Temperatures On Vehicles Equipped With Turbocharged Gasoline Engines May Set One Or More Of The Following DTCs P0299 P2227
Released 10/22/2019 GE-52250 Power Smoke Diagnostic Leak Detector Turbocharger Charge Air And Induction System Tester MIL Reduced Engine Power
Released 6/26/2019 TOP TIER Detergent Gasoline and TOP TIER Diesel Fuel Information and Licensed Brands
Released 6/19/2019 Warranty Administration - Warranty SPS Control Module Reprogramming
Released 3/7/2019 TOP TIER Detergent Gasoline and TOP TIER Diesel Fuel Information and Licensed Brands
Released 2/15/2019 Diagnostic Tips For I/M Flags Resetting After Ignition Cycled
Released 12/3/2018 SES Light with Fuel Trim and or Oxygen Sensor Codes
Released 11/30/2018 Identifying Non-GM (Aftermarket) Engine Calibrations for Gasoline Engines Using Tech 2 or GDS 2 (U.S. and Canada)
Released 10/3/2018 Diagnostic Tip: Fuel Injected Gasoline Engines Possible No Start Extended Crank or Fuel Pressure Related DTCs
Released 8/8/2018 Diagnostic Tip - Diesel Exhaust Fluid System Contamination
Released 7/30/2018 Diagnostic Tip - Diesel Fuel System Contamination
Released 7/25/2018 Identifying Non-GM (Aftermarket) Engine Calibrations for Gasoline Engines Using Tech 2 or GDS 2 (U.S. and Canada)
Released 7/23/2018 Information on Diesel Fuel Additives
Released 6/18/2018 Diagnostic Tip - Diesel Fuel System Contamination
Released 3/5/2018 Fleet Key Option - Adding Keys / Converting
Released 2/1/2018 Exhaust Leak or Vibration/Rattle Noise at Approximately 900 RPM, Fuel Smell, White Smoke, Oily Substance on Exhaust Downpipe
Released 7/25/2017 Information on How to Prevent Inadvertent Vehicle Starting from Key Fob or OnStar Mobile Application
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 9/30/2016 Vehicle Runs Rough or Misfires, MIL May Not be Illuminated
Released 9/19/2016 Damaged, Disassembled or Improperly Packaged Turbochargers Returned to Warranty Parts Center
Released 7/12/2016 Diagnostic Tip - 6.6L Duramax Fuel System Contamination
Released 6/28/2016 Compressed Natural Gas (CNG) Fuel Line Inspection and Replacement Part Identification
Released 5/2/2016 Duramax Diesel Hard Start, No Start, DTCs P0087, P0088, P0191, P128E or Injection Pump Replacement
Released 4/18/2016 Compressed Natural Gas (CNG) Valve Outgassing at Extreme Cold Temperatures
Released 3/29/2016 Alternative Gaseous Fuel Systems on BI-Fuel, CNG and LPG Equipped Vehicles
Released 1/27/2016 Alternative Gaseous Fuel Systems on BI-Fuel, CNG and LPG Equipped Vehicles
Released 10/31/2015 Special Coverage Adjustment - Fuel Pump Module Battery Terminal
Released 10/31/2015 Product Safety - Chassis Electronic Control Module Internal Contamination
Released 10/31/2015 Product Safety - Compressed Natural Gas (CNG) High Pressure Regulator
Released 10/31/2015 Exhaust Leak or Vibration/Rattle Noise at Approximately 900 RPM, Fuel Smell, White Smoke, Oily Substance on Exhaust Downpipe
Released 10/31/2015 Diesel Engine Hard Start When Hot
Released 7/12/2015 Special Coverage Adjustment - MIL Lamp On / Glow Plug Heater Inoperative
Released 6/20/2015 Special Coverage Adjustment - Indirect Fuel Injector Replacement
Released 6/13/2015 Duramax Diesel Hard Start No Start P0087 P0088 P0191 P128E Or Injection Pump Replacement
Released 3/14/2015 6.6L Duramax Fuel Injection Pump Part Restriction Has Ended
Released 3/1/2015 Special Coverage Adjustment - Inadequate Clearance of Fuel Fill Pipe Clamp to Brake Lines
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 Duramax Diesel Glow Plugs Difficult to Install Due to Carbon Buildup - New Glow Plug Bore Reamer Available
Released 7/8/2014 Fuel Odor - Fuel Leak At High Pressure Pump To High Pressure Fuel Lines - Fuel Leak Found At the Bottom Of The Flywheel Housing
Released 6/19/2014 Diagnostic Tip - 2010 through 2015 6.6L Duramax Fuel System Contamination Identification
Released 6/4/2014 Diesel Oxidation Converter Part Restriction
Released 5/14/2014 Catalytic Converter Break-In Information To Prevent DTCs P0420 And/Or P0430
Released 4/23/2014 6.6L Duramax Fuel Injection Pump Part Restriction
Released 11/18/2013 Diagnostic Tip - 2010 through 2014 6.6L Duramax Fuel System Contamination Identification
Released 11/15/2013 Exhaust Leak or Vibration/Rattle Noise at Approximately 900 RPM, Fuel Smell, White Smoke, Oily Substance on Exhaust Downpipe
Released 9/25/2013 Diagnostic Tip - 2010 through 2014 6.6L Duramax Fuel System Contamination Identification
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 9/11/2013 Exhaust Fluid Quality Poor Message Difficult To Clear
Released 8/2/2013 Product Safety - Compressed Natural Gas (CNG) Fuel Tank Shut-Off Solenoid Connector
Released 7/12/2013 2010 through 2013 6.6L Duramax Fuel Injection Pump Part Restriction
Released 5/8/2013 DTCs P0088 And P128E Setting After Fuel System Or Engine Repair
Released 3/22/2013 Product Safety - Misbuilt Pressure Relief Vent Pipe
Released 2/9/2013 Reduced Engine Power with Service Engine Message Displayed and DTC P2263 Set
Released 2/5/2013 SES Light due to P0300-P0308 and Engine Misfires - Inspect Plug Wire
Released 1/22/2013 DTC P0420 - Requesting Additional Information If Q57 Indirect Fuel Injector Replacement Is Necessary
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 4/16/2012 Diagnosis and Repair - Malfunction Indicator Lamp (MIL) Illuminated, Reduced Engine Power Message Displayed, DTC P2135 Set
Released 4/13/2012 Diagnosis and Repair - Malfunction Indicator Lamp (MIL) Illuminated, Reduced Engine Power Message Displayed, DTC P2135 Set
Released 1/19/2012 Properly Maintaining Vehicles in Dealer Inventory
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 1/14/2012 Properly Maintaining Vehicles in Dealer Inventory
Released 1/10/2012 Diagnosis and Repair - Malfunction Indicator Lamp (MIL) Illuminated, Reduced Engine Power Message Displayed, DTC P2135 Set
Released 1/1/2012 Exhaust Leak or Vibration/Rattle Noise at Approximately 900 RPM, Fuel Smell, White Smoke, Oily Substance on Exhaust Downpipe
Released 12/29/2011 Exhaust Leak or Vibration/Rattle Noise at Approximately 900 RPM, Fuel Smell, White Smoke, Oily Substance on Exhaust Downpipe
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 7/2/2010 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 7/27/2020
AC Blows Warm or Poor Performance

Released 10/10/2018
AC Blows Warm or Poor Performance

Get all TSBs for 5 vehicles for only $25

TSB Description
Released 9/5/2018 Information on A/C Odors During Start Up in Hot Humid Climates
Released 8/22/2018 Diagnostic Tips for Odor Emanating from HVAC System
Released 6/20/2018 AC Blows Warm or Poor Performance
Released 12/5/2015 Air Conditioning Odor (Install Evaporator Core Dryer Kit and Apply Cooling Coil Coating)
Released 6/1/2015 HVAC Vent and Floor Mode Selection Inoperative
Released 7/11/2014 Information Regarding A/C Service Valve Tethered Cap Requirements in the State of Idaho
Released 9/23/2013 Diesel Engine Cooling System Filling Procedure For Vehicles Equipped With Rear Heater
Released 4/12/2013 Engineering Information - Service Engine Soon Lamp Illuminated, Increased Engine Noise, Perceived Higher RPM Shift Points (Caused By Excessive Cooling Fan Noise) or Reduced A/C Performance At Low Vehicle Speeds
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 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 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 10/8/2020
Misfire Template

Released 6/26/2020
Duramax Intermittent High Idle Or Elevated Idle Descriptions

Get all TSBs for 5 vehicles for only $25

TSB Description
Released 6/23/2020 Warranty Administration - Engine and Transmission Assembly Replacement (U.S. Only)
Released 5/28/2020 Higher Than Expected Oil Consumption at 8600 GVW and Above
Released 5/21/2020 Misfire Template
Released 5/11/2020 2-3 Upshift Slip or Flare
Released 5/5/2020 GE-52250 Power Smoke Diagnostic Leak Detector Turbocharger Charge Air And Induction System Tester MIL Reduced Engine Power
Released 3/9/2020 Information on Malfunction Indicator Lamp (MIL) Illuminated with Multiple Fuel Trim and/or Oxygen Sensor Codes Set
Released 10/29/2019 Information on Driveline Clunk Noise
Released 10/17/2019 Diagnostic Tip - Diesel Exhaust Fluid System Contamination
Released 10/14/2019 Clean Exhaust Filter See Owners Manual Now, Cleaning Exhaust Filter Keep Driving Until Message is Cleared or Diesel Partic Filter is Full Continue Driving Displayed on DIC, DTC P2463 May Be Set
Released 10/9/2019 Information on Engine Oil Consumption Guidelines
Released 9/20/2019 Diagnostic Tip on Misfire, Chirp, Squeak, Squeal or Tick Noise, Malfunction Indicator Lamp (MIL) Illuminated - DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307 and/or P0308 Set
Released 8/21/2019 Identifying Non-GM (Aftermarket) Engine Calibrations for Gasoline Engines Using Tech 2 or GDS 2 (U.S. and Canada)
Released 8/19/2019 GM Wiring Repair Strategy Information
Released 8/15/2019 Engine Replacement After Severe Internal Engine Damage - Replace Intake Manifold
Released 8/13/2019 Information on Internal Engine Noise or Damage After Oil Filter Replacement
Released 8/12/2019 Information on Slight Vehicle Movement in Park at Start Up After Cold Soak
Released 8/7/2019 Low Oil Pump Pressure Due To Sticking Oil Pressure Relief Valve
Released 7/16/2019 Diagnostic Tips for Reduced Acceleration at Low Speed and/or Transmission Slipping from a Launch, DTC P0751 Set
Released 6/27/2019 Identifying Non-GM (Aftermarket) Engine Calibrations for Gasoline Engines Using Tech 2 or GDS 2 (U.S. and Canada)
Released 6/26/2019 Aftermarket ALDL or DLC Interface Devices Causing Multiple Issues
Released 6/25/2019 Use of Surface Conditioning Disks When Cleaning Gasket Sealing Surfaces and/or Reused Parts
Released 6/19/2019 Warranty Administration - Warranty SPS Control Module Reprogramming
Released 5/20/2019 Information on Water or Ethylene Glycol in Transmission Fluid
Released 5/7/2019 Avoiding Torque Converter Or Crankshaft Damage While Diagnosing Noise Concerns Do Not Separate The Torque Converter From the Flex Plate
Released 4/2/2019 Manual Transmission Operating Characteristics
Released 2/21/2019 High Pitch Whine or Buzz Noise Heard From Under The Vehicle
Released 2/18/2019 Misfire Template
Released 1/29/2019 Special Coverage Adjustment - MIL Lamp On / Glow Plug Heater Inoperative
Released 1/11/2019 Poor Engine Performance Or CEL On In Cold Ambient Temperatures On Vehicles Equipped With Turbocharged Gasoline Engines May Set One Or More Of The Following DTCs P0299 P2227
Released 12/6/2018 Poor Engine Performance Or CEL On In Cold Ambient Temperatures On Vehicles Equipped With Turbocharged Gasoline Engines May Set One Or More Of The Following DTCs P0171 P0172 P0299 P2227
Released 12/5/2018 Warranty Administration - Warranty, SPS, Control Module Diagnostics and Configuration Information, Programming, Set-Up
Released 12/3/2018 SES Light with Fuel Trim and or Oxygen Sensor Codes
Released 10/30/2018 Warranty Administration - Labor Operation 0600018 - Personal Property Damage
Released 10/23/2018 Vehicle Vibration Diagnosis and TAC Requests For Assistance With Vibration Related Complaints
Released 10/19/2018 Vehicle Vibration Diagnosis and TAC Requests For Assistance With Vibration Related Complaints
Released 10/17/2018 Vehicle Vibration Diagnosis and TAC Requests For Assistance With Vibration Related Complaints
Released 10/15/2018 SES Light, Misfire, DTC P0300, And/or A Chirp, Squeak, Squeal, Or Tick Noise - Potential
Released 10/3/2018 Engine Replacement After Severe Internal Engine Damage - Replace Intake Manifold
Released 8/22/2018 OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification
Released 8/22/2018 Damaged, Disassembled or Improperly Packaged Turbochargers Returned to Warranty Part Center
Released 8/8/2018 Alleged Cylinders Out Of Round
Released 8/2/2018 Higher Than Expected Oil Consumption at 8600 GVW and Above
Released 7/30/2018 Diagnostic Tip - Diesel Fuel System Contamination
Released 7/24/2018 Intake Manifold Inspection/Replacement After Severe Internal Engine Damage
Released 7/24/2018 Information on Internal Engine Noise or Damage After Oil Filter Replacement
Released 4/19/2018 Information on Engine Oil Life Monitor Operation Calculation
Released 4/9/2018 Information on Water or Ethylene Glycol in Transmission Fluid
Released 4/5/2018 Information on Diesel Fuel Gelling in Cold Temperatures Causing the In-Tank Fuel Pump to Whine and Driveability Concerns
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 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 Information on Higher Than Expected Oil Consumption
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 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 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 2/2/2016 Duramax Intermittent High Idle Or Elevated Idle Descriptions
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 Product Safety - Chassis Electronic Control Module Internal Contamination
Released 10/31/2015 SES Lamp With Camshaft Actuator Codes After SI Diagnosis Have Been Followed
Released 10/31/2015 Crank No Start - Inspect for Sheared Cam Pin
Released 10/31/2015 Special Coverage Adjustment - Torque Converter Clutch Wear
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 Diesel Engine Hard Start When Hot
Released 8/29/2015 2010 through 2016 6.6L Duramax Diesel Engine (RPO Codes LGH and LML) Part Number 12638502 PQC Restriction
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 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 Diagnostic Tips for Reduced Acceleration at Low Speed and/or Transmission Slipping from a Launch, DTC P0751 Set
Released 6/1/2015 Customer Satisfaction - Torque Converter Clutch Wear
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 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 3/14/2015 SES Lamp P0521 Setting In Cold Ambient Temperatures
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 Customer Satisfaction Program - Rear Axle Grinding Noise, Vibration - Inspect Rear Axle
Released 7/17/2014 Alleged Cylinders Out Of Round
Released 6/11/2014 Duramax Diesel Engine Oil Pan Whine Noise
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 4/17/2014 Crank No Start - Inspect for Sheared Cam Pin
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 3/8/2014 2010 through 2015 6.6L Duramax Diesel Engine (RPO Codes LGH and LML) Part Number 12638502 PQC Restriction
Released 2/26/2014 Poor Finish On Camshafts
Released 2/25/2014 Crank No Start - Inspect for Sheared Cam Pin
Released 2/13/2014 2010 through 2014 6.6L Duramax Diesel Engine (RPO codes LGH and LML) Part Number 12638502 PQC Restriction
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 1/18/2014 Normal Characteristic - Sag Or Hesitation On Acceleration
Released 1/6/2014 Crank No Start - Inspect For Sheared Cam Pin
Released 11/8/2013 Duramax Intermittent High Idle Or Elevated Idle Descriptions
Released 10/4/2013 Diagnostic Tip: Diagnosing Vehicles with OnStar DTC B101D-37
Released 9/27/2013 Customer Satisfaction - Propshaft Bolt Inspection
Released 8/29/2013 Duramax Diesel Engine Oil Pan Whine Noise
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 6/24/2013 Catalytic Converter Break-In Information To Prevent DTCs P0420 And/Or P0430
Released 6/19/2013 Information on Slight Vehicle Movement in Park at Start Up After Cold Soak
Released 6/19/2013 Global Information for GM dexos 1 and dexos 2 Engine Oil Specifications, Licensed Brands, and Service Fill
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 New Service Cam Bearings For Gen IV V8 Engines
Released 3/22/2013 Vibration Analysis Worksheet
Released 3/22/2013 Aftermarket ALDL or DLC Interface Devices Causing Multiple Issues
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 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 1/29/2013 PQC Restriction 2010- 2013 6.6L Duramax Diesel Engine (RPO LGH and LML) Part Number 12638502
Released 1/16/2013 Misfire After Camshaft Replacement On The AFM Cylinders 1 4 6 And 7(Check The Part Number On The End Of The Camshaft)
Released 1/8/2013 SES Light, Misfire, DTC P0300, and/or a Chirp, Squeak, Squeal, or Tick Noise - Potential Valvetrain Concern
Released 1/1/2013 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 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 12/25/2012 SES Light Misfire DTC P0300 And/Or A Chirp Squeak Squeal Or Tick Noise - Potential Valvetrain Concern
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 Customer Satisfaction - Rear Axle Grinding Noise, Vibration - Inspect Rear Axle
Released 9/4/2012 New Service Cam Bearings For Gen IV V8 Engines
Released 9/4/2012 Customer Satisfaction - Rear Axle Grinding Noise, Vibration - Inspect Rear Axle
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 3/30/2012 Information on Diesel Engine Ticking Noise
Released 3/28/2012 Information on Diesel Engine Ticking Noise
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 2/16/2012 Information for Identifying Non-GM ECM Calibration Usages and Power-up Hardware Detection in Duramax Diesel Engines - Photograph Tech 2 Calibration IDs, Calibration Verification Numbers (CVNs) and Transmission Data Screen
Released 2/12/2012 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 2/8/2012 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 2/5/2012 Diagnostic Information for Transmission No Forward, No Reverse, Slips, Cracked/Split Fluid Filter
Released 2/5/2012 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 2/4/2012 Diagnostic Information for Transmission No Forward, No Reverse, Slips, Cracked/Split Fluid Filter
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 10/24/2011 Use of Surface Conditioning Disks When Cleaning Engine Gasket Sealing Surfaces and/or Reused Engine Parts
Released 10/2/2011 Information on Duramax Flywheel Housing Seals
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 4/11/2011 Leak from Rear of Transmission or Propeller Shaft Slip Yoke (If Plug is Missing, Replace Propshaft Slip Yoke and Universal Joint or Diagnose Source of Leak)
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 2/7/2011 Identifying Non-GM ECM Calibration Usages for Duramax Diesel Engines and Power-up Hardware Detection
Released 12/15/2010 Manual Transmission Operating Characteristics
Released 11/18/2010 Information - Non-GM Parts and Accessories (Aftermarket)
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 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 2/21/2018
Special Coverage Adjustment - Diesel-Emission-Reduction Fluid Tank

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

Get all TSBs for 5 vehicles for only $25

TSB Description
Released 2/20/2017 Customer Satisfaction Program - Vehicles with Key Codes Improperly Handled by Third Party
Released 10/11/2016 Special Coverage Adjustment - Diesel-Emission-Reduction Fluid Tank
Released 5/27/2016 Emergency Vehicle Reduced Power
Released 10/31/2015 Special Coverage Adjustment - Fuel Pump Module Battery Terminal
Released 10/31/2015 Product Safety - Chassis Electronic Control Module Internal Contamination
Released 10/31/2015 Product Safety - Compressed Natural Gas (CNG) High Pressure Regulator
Released 10/31/2015 Special Coverage Adjustment - Torque Converter Clutch Wear
Released 10/31/2015 Product Safety - Chassis Electronic Control Module Internal Contamination
Released 10/31/2015 Special Coverage Adjustment - Nitrogen Oxide (NOx) Sensor
Released 8/22/2015 Product Safety - Rear Brake Line Contact (Canada Only)
Released 7/12/2015 Special Coverage Adjustment - Diesel-Emission-Reduction Fluid Tank
Released 6/20/2015 Special Coverage Adjustment - Indirect Fuel Injector Replacement
Released 6/1/2015 Customer Satisfaction - Torque Converter Clutch Wear
Released 6/1/2015 Product Emission - Oxygen Sensor Fracture
Released 5/12/2015 Customer Satisfaction - Rear Axle Grinding Noise, Vibration - Inspect Rear Axle
Released 3/28/2015 Special Coverage Adjustment - Inadequate Clearance of Fuel Fill Pipe Clamp to Brake Lines
Released 3/1/2015 Special Coverage Adjustment - Inadequate Clearance of Fuel Fill Pipe Clamp to Brake Lines
Released 10/1/2014 Product Emission - Oxygen Sensor Fracture
Released 7/17/2014 F/CMVSS Noncompliance - Passenger Side Instrument Panel Performance
Released 7/17/2014 F/CMVSS Noncompliance - Passenger Side Instrument Panel Performance
Released 7/17/2014 F/CMVSS Noncompliance - Passenger Side Instrument Panel Performance
Released 7/17/2014 Product Emiission - Oxygen Sensor Fracture
Released 7/17/2014 F/CMVSS Noncompliance - Passenger Side Instrument Panel Performance
Released 7/17/2014 F/CMVSS Noncompliance - Passenger Side Instrument Panel Performance
Released 2/8/2014 F/CMVSS Noncompliance - Passenger Side Instrument Panel Performance
Released 2/8/2014 F/CMVSS Noncompliance - Passenger Side Instrument Panel Performance
Released 8/2/2013 Product Safety - Compressed Natural Gas (CNG) Fuel Tank Shut-Off Solenoid Connector
Released 9/4/2012 Customer Satisfaction - Rear Axle Grinding Noise, Vibration - Inspect Rear Axle

Released 6/26/2020
Brake Pedal Moves or Self Applies at Full Turns

Released 6/5/2020
Power Steering Noise or Fluid Leak from Power Steering Pump, Gear or High Pressure Hose During Extreme Low Temperature Operation (Replace Power Steering Fluid)

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TSB Description
Released 2/26/2020 Warranty Administration - General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only)
Released 6/24/2019 Brake Pedal Moves or Self Applies at Full Turns
Released 6/19/2019 Warranty Administration - Warranty SPS Control Module Reprogramming
Released 5/13/2019 Brake Pedal Moves or Self Applies at Full Turns
Released 5/9/2019 Information on Tire Radial Force Variation (RFV)
Released 12/17/2018 GM TAC Support of Vehicle Vibration Complaints - U.S. and Canada Dealers Only
Released 12/5/2018 Warranty Administration - General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only)
Released 6/21/2017 Front Shock Mount Bracket Crack (Install Reinforcement)
Released 3/31/2016 Noise from Rear Leaf Spring Under Acceleration and High Loads (Replace Rear Leaf Spring Shackle)
Released 10/31/2015 Front Shock Mount Bracket Crack (Install Reinforcement)
Released 10/31/2015 Noise and/or Shake Felt While Driving
Released 6/27/2015 Front Shock Mount Bracket Crack (Install Reinforcement)
Released 7/23/2014 Diagnosing Power Steering Concerns
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 Information on Slight or Mild Tire Feathering and Recommended Practices (Normal Tire Wear Condition)
Released 2/6/2014 Vibration Shortly After Tires are Mounted/Preventing Vibration from Wheel Slip (Tire Sliding on Wheel)
Released 1/4/2014 Proper Wheel Installation and Wheel Torque Techniques
Released 10/11/2013 Front Shock Mount Bracket Crack (Install Reinforcement)
Released 10/2/2013 Adding Cruise Control (RPO K34)
Released 6/19/2013 Diagnosing Power Steering Concerns
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 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 3/8/2013 Whine Noise - Varies with Engine Speed
Released 1/25/2013 Whine Noise - Varies with Engine Speed
Released 1/1/2013 Proper Wheel Installation and Wheel Torque Techniques
Released 9/4/2012 Diagnosing Power Steering Concerns
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 7/25/2011 Front End Alignment Warranty Claims on Upfitted or Conversion Vehicles with Under 500 Miles on Odometer
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 4/14/2011 New Vehicle Pre-Delivery Inspection (PDI) - Delivering Quality Vehicles and Generating Higher CSi Scores
Released 4/13/2011 Steering Noise When Turning (Replace Power Steering Cooler Pipe and Booster Outlet Hose Assembly)
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 4/8/2011 Noise from Rear Leaf Spring Under Acceleration and High Loads (Replace Rear Leaf Spring Shackle)
Released 3/21/2011 General Motors New Vehicle Wheel Warranty Coverage
Released 3/21/2011 Car and Truck Fix it Right the First Time Issues
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 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 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 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 Low Tire Pressure, Leaking Cast Aluminum Wheels (Repair with Adhesive Sealant)
Released 4/27/2010 Use of Nitrogen Gas in Tires
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 4/27/2010 Tire Puncture Repair Procedures for All Cars and Light Duty Trucks
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 7/13/2020
GE-52250 Power Smoke Diagnostic Leak Detector Turbocharger Charge Air And Induction System Tester MIL Reduced Engine Power

Released 11/26/2019
Key Code Security Rules and Information on GM KeyCode Look-Up Application (U.S. Only)

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TSB Description
Released 11/5/2019 J-35616-64B Or EL-35616-58 Terminal Test Probe Information/Repair
Released 10/10/2019 Vehicle Vibration Diagnosis and TAC Requests For Assistance With Vibration Related Complaints
Released 10/9/2019 Key Code Security Rules and Information on GM KeyCode Look-Up Application (U.S. Only)
Released 9/17/2019 Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information
Released 6/3/2019 J-35616-64B Terminal Test Probe / Replacement Terminal / Terminated Lead
Released 5/9/2019 Information on Tire Radial Force Variation (RFV)
Released 11/27/2018 Information for Dealers/Service Advisors on When and How to Submit a Pre-Repair Authorization (PRA) (U.S. Dealers Only)
Released 11/20/2018 Information for Dealers/Technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only)
Released 11/5/2018 Working with GM on a Product Assistance Claim (PAC)
Released 10/26/2018 Use of Surface Conditioning Disks When Cleaning Gasket Sealing Surfaces and/or Reused Parts
Released 10/8/2018 PAC Courtesy Transportation Assistance Program
Released 10/3/2018 Safety - Kidde Fire Extinguisher
Released 9/11/2018 Warranty Administration - Essential Tools that Include Consumable Parts (U.S. Only)
Released 6/22/2018 Dealer Responsibility for Cargo Carrying Capacity Labeling
Released 5/30/2018 Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information
Released 5/14/2018 Warranty Administration - Required Operating Procedures (U.S. Only)
Released 5/10/2018 Warranty Administration - Courtesy Transportation and Roadside Assistance Programs
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 12/14/2016 Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information
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 7/16/2014 Duramax Diesel Glow Plugs Difficult to Install Due to Carbon Buildup - New Glow Plug Bore Reamer Available
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 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 10/22/2011 Information for Dealers/Technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only)
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 Warranty Administration - Courtesy Transportation and Roadside Assistance Programs
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 4/13/2011 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 2/3/2011 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 7/20/2010 Driver and/or Passenger Side Windshield Pillar Garnish Molding Loose, Gap at Top (Install New Fasteners)
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 2/15/2013
Windshield Wiper Performance, Cleaning Instructions and Maintenance

Released 2/8/2013
Windshield Wiper Motor Service Part Update

Get all TSBs for 5 vehicles for only $25

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

Get Free 2011 CHEVROLET EXPRESS G2500 V8, 6.6L; OHV; 32V; DI; Diesel; Turbo TSBs

Technical Service Bulletins

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