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Technical Service Bulletins

Released 9/29/2020
Trailer Running Lights Shut Off Due to Excessive Load on the Running Lamp Circuit

Released 9/22/2020
SPS Programming Issues / No Communication / IPC Gauges Erratic / Various IPC Warning MILs / Certain Cruise Control Speeds Will Not Set / Communication DTCs

TSB Description

Released 9/14/2020
Diagnostic Tip: Inspect Engine Oil Dipstick Tube O-ring And Areas Above Lower Oil Pan Sealing Surface For Potential Engine oil Leaks

Released 7/27/2020
Needle Bearings Found In The Oil Pan During An Oil Change

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

Released 7/10/2020
Diagnosing Fishbite Chuggle Misfire Feeling Or Shudder Vibration, With A Light Tip In

Released 7/8/2020
Tri-Fold Tonneau Paint Finish Fading or Discolored

Released 6/13/2020
Diagnostic Tip: Inspect Engine Oil Dipstick Tube O-ring And Areas Above Lower Oil Pan Sealing Surface For Potential Engine oil Leaks

Released 6/5/2020
Diagnostic Tip - Trailer Lighting Complaints With Trailering App RPO U1D

Released 5/27/2020
Questions Regarding Dealer Installed Associated Accessories

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 4/7/2020
Low Oil or Add Oil Message Being Displayed on the Driver Information Center (DIC)

Released 4/2/2020
Engineering Information – Oil Leaking From Oil Pan

Released 3/30/2020
Diagnostic Tip: Oil Leak Repairs and Resealing of Composite Oil Pans and Use of Proper RTV Sealant and Surface Primer

Released 2/28/2020
Unscheduled Supplemental Services (Including Flushing Services and Additives) and Proper Use of GM Simplified Maintenance Schedules

Released 1/31/2020
Safety Recall - Tonneau Cover Retention

Released 1/10/2020
Diagnostic Tips for Engine Vibration

Released 12/18/2019
Customer Satisfaction Program - Engine Oil Cooler Lines Detaching from Crimp – Canada and State of Alaska Only

Released 12/16/2019
Emission Recall - Diesel Particulate Filter Regeneration Frequency

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 9/13/2019
Engineering Information – Oil Leaking From Oil Pan

Released 9/5/2019
Concerns or Questions Regarding Installation of Dealer Installed Accessories

Released 7/10/2019
Concerns Or Questions Regarding Installation Of Dealer Installed Accessories

Released 5/22/2019
Diagnostic Tip: Possible DTC P3075 That May Be Set Current or History

Released 4/3/2019
Service Update - Trailer Integration Module Software Error

Released 3/11/2019
Trailer Disconnected Check Connection Message on DIC Without a Trailer Connected (Reprogram the Trailer Lighting Control Module K68)

Released 3/7/2019
6.0L L96 Low Oil Pressure And/Or P0521

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 1/14/2019
Anti-Chip Coating Appearance

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 1/7/2019
Trailer Disconnected Check Connection Message on DIC Without a Trailer Connected

Released 12/7/2018
Service Power Steering Message DTC C144B or Clunk Noise at Full Steering Lock Turns after Installation of Accessory Lift Kit

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 9/30/2020
Warranty Administration - Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only)

Released 9/22/2020
SPS Programming Issues / No Communication / IPC Gauges Erratic / Various IPC Warning MILs / Certain Cruise Control Speeds Will Not Set / Communication DTCs

TSB Description

Released 9/18/2020
Hard Tri-Fold Tonneau Water Leaks at the Front Corners of the Pickup Box

Released 9/4/2020
Vertical Misalignment Between Cab and Pickup Box on Driver Side of Vehicle

Released 9/4/2020
Rear Heated Switch Indicators Inoperative

Released 8/28/2020
Customer Satisfaction Program - Tonneau Cover Retention

Released 8/3/2020
Procedure For Attaching GDS2 Session Logs To Technical Assistance Cases Using Dealer Case Management (DCM) (US Dealers Only).

Released 7/23/2020
LIN Bus Diagnostic Information

Released 7/10/2020
Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information

Released 7/10/2020
Warranty Administration - Transportation Claim Submission Requirements

Released 7/8/2020
Engineering Information – Malfunction Indicator Lamp (MIL) Illuminated and/or Functional Failures of the Airflow Shutter, DTCs P05AE, U0284, P059F, U0285 Set

Released 7/8/2020
Tri-Fold Tonneau Paint Finish Fading or Discolored

Released 6/24/2020
Customer Satisfaction Program - Tonneau Cover Retention

Released 6/24/2020
Warranty Administration - Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only)

Released 6/22/2020
Engineering Information - No Restart After Auto-Stop Event, No Crank, DTCs P0617, P26E6 P305D, U0102, U0284, U0285, U0672, U111A, U111E and/or U1348

Released 6/16/2020
Disabling Side Blind Zone Alert and/or Park Assist Systems When Removing Pickup Box and/or Bumper

Released 6/4/2020
Door May Not Unlock On First Attempt Or Lock Rod Moves Slow/Binds

Released 6/4/2020
Pickup Box Endgate Will Not Fully Close by Itself

Released 5/27/2020
Questions Regarding Dealer Installed Associated Accessories

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 5/20/2020
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 5/4/2020
Engineering Information – Malfunction Indicator Lamp (MIL) Illuminated and/or Functional Failures of the Airflow Shutter, DTCs P05AE, U0284, P059F, U0285 Set

Released 4/20/2020
Rattle Noise from Driver or Passenger Seat Belt

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 3/18/2020
Pickup Box Power Endgate May Not Open on Initial Press, or May Not Open at All

Released 2/28/2020
Endgate Will Not Auto Open or Auto Close After Accessory Tonneau Cover Installation, and/or Poor Fit of Tonneau Cover to Endgate

Released 2/27/2020
Warranty Administration – Required Operating Procedures - 8 Points (U.S. Only)

Released 2/17/2020
Engineering Information – Vibration and/or Banging Noise Heard From Under the Vehicle

Released 1/31/2020
Safety Recall - Tonneau Cover Retention

Released 1/23/2020
Customer Satisfaction Program - Rear Window Defroster Thermal Events - US Only

Released 1/21/2020
Warranty Administration - Repurchase Vehicle Dealer Processing Fee Labor Operation and Submission Guidelines (U.S. ONLY)

Released 1/9/2020
Safety Recall - Seatbelt Pretensioner Fire

Released 1/9/2020
Safety Recall - Tonneau Cover Retention

Released 1/7/2020
Customer Satisfaction Program - Power Sliding Rear Window Defroster Failures (Canada only)

Released 1/6/2020
Intermittent or Continuous Horn Blowing, Horn Activation Sensitive to the Touch

Released 12/12/2019
Service Programming System (SPS) Errors (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961)

Released 12/11/2019
Safety Recall - Tonneau Cover Retention

Released 12/4/2019
Engineering Information - Melted Stone Guard On the Right Rear Quarter Panel From Exhaust Heat and/or Making Contact with the Exhaust Tip

Released 11/25/2019
Use of Dealer Case Management (DCM) and Technician Preparedness for Contacting U.S. Technical Assistance (TAC)

Released 11/22/2019
Safety Recall - Seatbelt Pretensioner Fire

Released 11/20/2019
Pickup Box Out of Alignment

Released 11/19/2019
Engineering Information – Pictures of Loose Ground Connections at G110 and/or G114

Released 10/30/2019
Spray-in Bed Liner General Information and Repair Procedures

Released 10/16/2019
Information for Dealers on How to Submit a Product Information Report (PIR) (Canada Only)

Released 10/11/2019
Engineering Information – Power Outside Folding Rearview Mirror Shakes, Clicking and/or Noisy While Folding or Loose Between Mirror Head and Mirror Base

Released 9/26/2019
Hood Ajar Message

Released 9/24/2019
Customer Satisfaction Program - Water Leak at Driver Side C-Pillar

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
Engineering Information – Melted Stone Guard On the Right Rear Quarter Panel From Exhaust Heat and/or Making Contact with the Exhaust Tip

Released 8/19/2019
GM Wiring Repair Strategy Information

Released 8/15/2019
Engineering Information – Power Outside Folding Rearview Mirror Shakes, Clicking and/or Noisy While Folding or Loose Between Mirror Head and Mirror Base

Released 8/5/2019
No Crank Intermittent Dead Battery

Released 7/26/2019
Customer Satisfaction Program - Cloth Rear Seat Headrests Instead of Vinyl

Released 7/18/2019
Equipment Safety Recall - Tonneau Cover Retention

Released 6/28/2019
Rear Heated Switch Indicators Inoperative

Released 6/26/2019
USB Software Programming of Certain Infotainment 3.4 Radios in TIS2Web Temporarily Suspended

Released 6/26/2019
Information for Electrical Ground Repair - Use New Replacement Fasteners with Conductive Finish

Released 6/20/2019
SES MIL / No Start / No Crank / Runs Rough / Reduced Engine Power / VSS / DTCs (Inspect Engine Harness)

Released 6/19/2019
Warranty Administration - Warranty SPS Control Module Reprogramming

Released 6/10/2019
Steam/Vapor Coming from Front Grille or Radiator Area

Released 6/6/2019
Service Column Lock Message with DTC B144C SYM06 After a Remote Vehicle Start

Released 6/5/2019
Shake and/or Shudder During Light Throttle Acceleration Between 25 and 80 MPH (40 and 128 KM/H) at Steady Speed

Released 6/4/2019
No Restart after an Auto Stop Event

Released 5/31/2019
Spray-in Bed Liner General Information and Repair Procedures

Released 5/30/2019
Water Found in Rear Interior of Cab, Water Leak at Rear Sliding Window

Released 5/23/2019
Equipment Safety Recall - Tonneau Cover Retention

Released 5/21/2019
Blue Screen and Service Rear Vision System Message on Radio Display

Released 5/15/2019
During Start up Forward Collision System Reduced Displayed on DIC

Released 5/3/2019
Equipment Safety Recall - Tonneau Cover Retention

Released 5/2/2019
Use of Dealer Case Management (DCM) and Technician Preparedness for Contacting U.S. Technical Assistance (TAC)

Released 4/30/2019
Service Update - Reset Park Assist

Released 4/23/2019
Intermittent Sunroof Operation, Bind, Noise, Auto-reverse, and/or Water Leaks

Released 4/8/2019
8L45, 8L90 Park System Does Not Engage

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 3/26/2019
Warranty Administration - Updated - Dealer Empowerment Labor Operations and Customer Enthusiasm (U.S. Only)

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
Power Folding Mirror(s) Does Not Stop at the Correct Location / Do Not Move / Make Grinding Noise / or Will Fold Completely Forward

Released 3/22/2019
Information on Proper Use of Floor Mats

Released 3/18/2019
Engineering Information – Service Engine Soon (SES) Light On When Snow and/or Ice Accumulates in the Active Grille Air Shutters, DTC P059F Set

Released 3/18/2019
Information for Electrical Ground Repair - Use New Replacement Fasteners with Conductive Finish

Released 3/18/2019
Hard-Trifold Tonneau Front and/or Rear Cover Unlatching, Popping Up

Released 3/15/2019
Squeak/Creak/Squawk/Itch Type Noise Heard From The I/P or Center Console Area

Released 3/14/2019
Properly Maintaining Vehicles in Dealer Inventory

Released 3/13/2019
Procedure For Emailing Global Diagnostic System 2 (GDS2) Session Log To GM TAC (US and Canada Dealers Only).

Released 3/13/2019
Procedure For Attaching GDS2 Session Logs To Technical Assistance Cases Using Dealer Case Management (US Dealers Only)

Released 3/11/2019
Transport Mode On Message Displayed in DIC and/or Battery Light is Flashing

Released 3/11/2019
Engineering Information - Rough Idle and/or Misfire, DTC P0300 Set

Released 3/8/2019
Park Assist Message Displayed on the Drivers Information Center (DIC)

Released 3/8/2019
Ticking Noise From The Engine

Released 3/8/2019
Service Update - Rear Bumper Corrosion

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 3/1/2019
Trailer Disconnected Check Connection Message on DIC Without a Trailer Connected (Reprogram the Trailer Lighting Control Module K68)

Released 2/26/2019
Requesting a New Key Code for Customer with Lost or Stolen Keys

Released 2/25/2019
Operational Tips/Support for GM Accessory Three Camera Trailering System Package by EchoMaster

Released 2/18/2019
Diagnostic Tip: -Take Steering- DIC Message along with Warning Chime/Alert

Released 2/14/2019
Engineering Information - Pictures of Door Weather Strip, Door Body Fit and/or Rear Tail Lamp Moisture Product Issues Covered Under Warranty

Released 2/12/2019
Trailer Disconnected Check Connection Message on DIC Without a Trailer Connected

Released 2/12/2019
Wi-Fi Hotspot Inoperative

Released 2/8/2019
Warranty Administration – Labor Operation 0600014 – Suspected Tampering or Vehicle Modifications

Released 2/8/2019
Transport Mode On Message Displayed in DIC and/or Battery Light is Flashing

Released 2/5/2019
Properly Maintaining Vehicles in Dealer Inventory

Released 1/31/2019
Comeback Prevention Information and Using Customer Concern Verification Sheets (CCVS)

Released 1/31/2019
Use of Dealer Case Management (DCM) and Technician Preparedness for Contacting U.S. Technical Assistance (TAC)

Released 1/24/2019
Engineering Information – Service Engine Soon (SES) Light On When Snow and/or Ice Accumulates in the Active Grille Air Shutters, DTC P059F Set

Released 1/22/2019
Spray-in Bed Liner General Information and Repair Procedures

Released 1/18/2019
Engineering Information – Check Engine Light On, DTCs P0097, P00F4, P0102 and/or P2199 Set

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 1/14/2019
Anti-Chip Coating Appearance

Released 1/10/2019
Hoot or Whistle Noise Heard at Highway Speeds

Released 1/8/2019
Disabling Auto Door Locks

Released 1/8/2019
Warranty Administration - Transportation Claim Submission Requirements

Released 1/4/2019
Dead Battery / P1682 / Crank No Start / Unable To Program ECM / Headlamp Water Intrusion / Engine Runs With Ignition Off

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 12/21/2018
Service Update - Cluster Display Reset

Released 12/21/2018
Service Update - Reset Park Assist

Released 12/17/2018
Diagnostic Tip: EL-51578 MOST Bus Diagnostic Tool Kit

Released 12/17/2018
GM TAC Support of Vehicle Vibration Complaints - U.S. and Canada Dealers Only

Released 12/14/2018
Service Power Steering Message DTC C144B or Clunk Noise at Full Steering Lock Turns after Installation of Accessory Lift Kit

Released 12/13/2018
Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC)

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

Released 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 12/3/2018
Engineering Information – Reduced Steering Assist and/or Service Steering Message On Driver Information Center (DIC)

Released 11/30/2018
Identifying Non-GM (Aftermarket) Engine Calibrations for Gasoline Engines Using Tech 2 or GDS 2 (U.S. and Canada)

Released 11/29/2018
Transfer Case Exchange Program

Released 11/29/2018
Service Update - Harsh Downshift After Extended Driving in High Gears

Released 11/28/2018
Service Update - Front Brake Caliper Cotter Pin Missing

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 11/23/2018
2.7L (RPO L3B) Engine Exchange Program

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 11/20/2018
Diagnostic Tips: XM Audio Traffic And Travel Link Availability And Operation

Released 11/19/2018
Sunroof Air Deflector Loose Spring Arm

Released 11/15/2018
10L80 10 Speed Automatic Transmission Restriction Program

Released 11/15/2018
Heated Seat Switch Indicators Inoperative or 110v Power Receptacle Switch Indicator Dimly Lit

Released 11/14/2018
Diagnostic Tip - Headliner Sagging Reattach Hook and Loop Patch

Released 11/14/2018
Ticking Noise From The Engine

Released 11/9/2018
Rear Infotainment Audio Output Choppy/Intermittent When Headphones are Connected VIA Audio Jack or Bluetooth

Released 11/9/2018
E01 ECM Restriction

Released 11/8/2018
Rear View Camera Image Flicker When Brake Lamps or Turn Signals are on

Released 11/5/2018
Driver Information Center (DIC) Inoperative

Released 11/5/2018
Air-Filter Showing 0% Life

Released 11/5/2018
Working with GM on a Product Assistance Claim (PAC)

Released 11/2/2018
Ticking Noise From The Engine

Released 11/2/2018
Warranty Administration - Guidelines for Multiple Repairs with Independent Causes (GM Canada Dealers only)

Released 11/1/2018
Engineering Information - Pictures of Windshield, Steering Wheel and/or Door Trim Panel for Product Issues Covered Under Warranty

Released 10/31/2018
Service Update - Defrost Linkage Not Fully Seated

Released 10/30/2018
Warranty Administration - Labor Operation 0600018 - Personal Property Damage

Released 10/30/2018
Intermittent OnStar Inoperative DTC B101D-39 Red LED And Clock Date Time Inaccurate

Released 10/29/2018
Front and Rear Axle Restriction for Vehicles with RPO SU5 SU8

Released 10/29/2018
Service Brake Assist Message with DTC a C053D or C058E

Released 10/26/2018
Steering Jerks Or Kicks Back / Reduced Power Steering Assist / Engine Stall / No Start / Service Stabilitrak / IPC / Radio / HVAC Goes Blank Various DTCs

Released 10/26/2018
Use of Surface Conditioning Disks When Cleaning Gasket Sealing Surfaces and/or Reused Parts

Released 10/25/2018
Radio Software Version V507 Over-the-Air Update

Released 10/24/2018
Intermittent Bluetooth Connection or Total Loss of Bluetooth Connection

Released 10/23/2018
Power Folding Mirror(s) Does Not Stop at the Correct Location / Do Not Move / Make Grinding Noise / or Will Fold Completely Forward

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 10/19/2018
Normal Characteristic - Detent or Click Felt as The Accelerator is Pressed

Released 10/17/2018
Vehicle Vibration Diagnosis and TAC Requests For Assistance With Vibration Related Complaints

Released 10/16/2018
Blank 7 Inch Radio Display During Radio Replacement

Released 10/12/2018
Engineering Information - Rough Idle and/or Misfire, DTC P0300 Set

Released 10/12/2018
SES MIL DTC P1005

Released 10/12/2018
DTC P0011 Setting

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

Released 10/8/2018
Malfunction Indicator Lamp (MIL) Illuminated with DTC P0300

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 10/2/2018
Tick Noise Inside Vehicle While Driving

Released 10/2/2018
E01 ECM Restriction

Released 10/1/2018
Customer Satisfaction - Low Bolt Torque at Prop Shaft to Front Differential

Released 10/1/2018
SES MIL / Service Brake System / Hard Brake Pedal / Speed Limited With DTC P0606

Released 10/1/2018
Malfunction Indicator Lamp (MIL) Illuminated - DTC P3498, P3499, P349A, P039B, P349C, P349D, P349E, and/or P349F Set

Released 9/27/2018
Transmission Fluid Leak from Transmission Oil Cooler Line Fitting Retaining Bolt

Released 9/27/2018
10L80 10 Speed Automatic Transmission Restriction Program

Released 9/27/2018
Unwanted Stability Activation and/or C0710

Released 9/26/2018
Power Folding Mirror(s) Does Not Stop at the Correct Location and Will Fold Completely Forward

Released 9/26/2018
Squeak, Rubbing and/or Grinding Type Noise Heard From Steering Wheel When Turning

Released 9/26/2018
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 9/14/2018
False DTC U0020 Setting in the Video Processing Control Module

Released 9/13/2018
Normal Engine Air Leak Whistle Noise From The PCV

Released 9/13/2018
Passive Door Unlocking Inoperative and/or Enabling and Disabling of Passive Unlocking

Released 9/13/2018
2019 Full Size Truck E90 ECM Restriction

Released 9/12/2018
Dent/Ripple Appearance Around Wheel Well Opening

Released 9/11/2018
Warranty Administration - Essential Tools that Include Consumable Parts (U.S. Only)

Released 9/5/2018
Dynamic Fuel System DTC

Released 9/5/2018
Diagnostic Tip: Diagnosing Vehicles with OnStar DTC B101D-39

Released 9/5/2018
Information on A/C Odors During Start Up in Hot Humid Climates

Released 9/4/2018
Privacy Settings, Permissions, and Terms and Conditions Accessible While Driving

Released 8/30/2018
Diagnostic Tip - Passive Door Unlocking Inoperative

Released 8/30/2018
Engineering Information – Reduced Steering Assist and/or Service Steering Message On Driver Information Center (DIC)

Released 8/28/2018
Procedure For Emailing Global Diagnostic System 2 (GDS2) Session Log To GM TAC (US and Canada Dealers Only)

Released 8/27/2018
Diagnostic Tip - IPC Gauges Inoperative or Fluctuate, No Crank, Start then Stall

Released 8/24/2018
Variable Diagnostic Time Allowances (U.S. Only)

Released 8/24/2018
IPC Odometer Programming Method Quick Reference Guide

Released 8/23/2018
Passive Entry and Passive Starting Functions Are Always Inoperative on One, or Both, of the RKE Fobs, Possible Various DIC Messages

Released 8/22/2018
A/C Inoperative and/or Insufficient Cooling

Released 8/22/2018
Rear and Side Tempered Glass Spots (Quench Marks)

Released 8/22/2018
Hem Flange Rust Repair

Released 8/22/2018
6.6L Duramax Possible Oil Leak Path Information

Released 8/22/2018
Engineering Information — Trailer Electrical Not Working as Intended and/or Trailer Message Displayed

Released 8/22/2018
OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification

Released 8/22/2018
Information on Service Manuals Availability on USB

Released 8/20/2018
Diagnostic Tip - Lane Keep Assist and Lane Departure Warning Functionality

Released 8/20/2018
10L90 10L80 10 Speed Automatic Transmission Restriction Program July 20, 2018

Released 8/20/2018
Rear View Camera (RVC) Missing Guidance Lines and Has Distorted Image

Released 8/15/2018
Information On Oil Residue Found On The Engine Oil Cooler (EOC) Lines, Cooler Block and Oil Filter During PDI or Low Mileage Repair

Released 8/14/2018
TAC Part Restriction for US Dealers - Navigation Radio, Radio, Human Machine Interface, Radio Display, and Radio Control/Integrated Center Stack

Released 8/9/2018
Part Restriction and Ordering Process Information for OnStar Vehicle Communication Interface Modules (VCIM) (GMNA Only)

Released 8/8/2018
Alleged Cylinders Out Of Round

Released 8/8/2018
Front and Rear Axle Restriction for Vehicles with RPO SU5 SU8

Released 8/6/2018
PQC 2019 Part Restriction T93 Transmission Control Module

Released 8/6/2018
Information on Die Marks Off Location on Left Engine Compartment Structure Rail

Released 8/6/2018
Transfer Case Exchange Program

Released 8/3/2018
Engineering Information - Pictures of Windshield, Steering Wheel and/or Door Trim Panel for Product Issues Covered Under Warranty

Released 7/30/2018
Diagnostic Tip - Diesel Fuel System Contamination

Released 7/25/2018
2019 Chevrolet Silverado 1500 and GMC Sierra 1500 New Model Features

Released 7/13/2018
New Engine Features 5.3L L84 and 6.2L L87

Released 7/10/2018
5.3L L84 6.2L L87 Engine Exchange Program

Released 10/9/2020
Warranty Administration - Customer Concern Not Duplicated (CCND) Labor Operation Numbers

Released 10/7/2020
During Start up Forward Collision System Reduced Displayed on DIC

TSB Description

Released 9/22/2020
Loss of Brake Assist, Various Messages Displayed in Driver Information Center (DIC), Brake Pedal Travel and Apply May Feel Different, One or More of the Following DTCs May be Set: P0606 with C0021, C05D2, C0595, C2A3B, C0024, C053D, P25A2

Released 9/18/2020
Service Parking Brake Message, Red Park Brake Indicator Flashing & or Amber Parking Brake Wrench Indicator Illuminated. DTC C056D or C056E Could Have Other ABS DTCs

Released 9/18/2020
Instrument Panel Cluster (IPC) Gauges Inoperative, Numerous Driver information Center (DIC) Error Messages, No Brake or Electric Power Steering Assist, Transmission in Default Gear, No Reverse and/or Back Up Lights, No Daytime Running Lights (DRL), No Cru

Released 9/10/2020
Service Engine Soon Message at Start Up or Shortly after Start Up

Released 6/16/2020
DTC C116C and/or C116B After Installation of GM Accessory Performance Brake Pads

Released 6/12/2020
Unwanted Grade Braking, Low Power, and/or Transmission Busy Shifting / P057B, P057C, and/or P057D

Released 5/27/2020
SES MIL With BSCM DTCs U0146 U0100 U0101 U0140 U0151 U026A U0131 and/or U0422

Released 5/21/2020
GM Accessory Performance Brake System Rotor Specifications (Brembo Brake Kit)

Released 4/23/2020
Customer Satisfaction Program - Premature Brake Wear Notification

Released 4/21/2020
NonCompliance - Brake System Malfunction Warning

Released 4/16/2020
SES MIL With BSCM DTCs U0146 U0100 U0140 U0151 U026A U0131 and/or U0422

Released 3/19/2020
Customer Satisfaction Program - Premature Brake Wear Notification

Released 2/20/2020
NonCompliance - Brake System Malfunction Warning

Released 2/4/2020
Customer Satisfaction Program - Brake Assist Feature - Frontview Camera Reprogramming and Configuration

Released 1/31/2020
BSCM DTCs P0606 C0021 Set After BSCM Reprogrammed For N192268090 / N192264451 / N192210460

Released 1/30/2020
NonCompliance Recall - Brake System Malfunction Warning

Released 1/22/2020
NonCompliance Recall - Brake System Malfunction Warning

Released 1/20/2020
Customer Satisfaction Program - Premature Brake Wear Notification

Released 1/16/2020
BSCM DTCs P0606 C0021 Set After BSCM Reprogrammed For N192268090 / N192264451 / N192210460

Released 1/10/2020
Customer Satisfaction Program - Brake Assist Feature

Released 1/9/2020
Service Parking Brake Message, Red Park Brake Indicator Flashing & or Amber Parking Brake Wrench Indicator Illuminated. DTC C056D or C056E Could Have Other ABS DTCs

Released 12/20/2019
DTC P0606 C0021 Set In the BSCM After N192268090 Was Completed

Released 12/12/2019
NonCompliance Recall - Brake System Malfunction Warning

Released 12/11/2019
Customer Satisfaction Program - Brake Assist Feature

Released 12/9/2019
Diagnostic Tip - Perceived Brake Fluid Leak at Caliper Piston Boot

Released 11/20/2019
Brake Pad Life % Calculates Down too Quickly and/or Service Brake Pad Monitor System DTC C116B SYM59 and/or C116C SYM59

Released 11/7/2019
Customer Satisfaction Program - Brake Pedal Assembly Misbuilt

Released 9/16/2019
Replace Brake Pad or Service Brake Pad Life System Message Displayed at Very Low Mileage

Released 9/6/2019
Customer Satisfaction Program - Rear Brake Pipe Protective Sleeve

Released 7/19/2019
Service Parking Brake Message, Red Park Brake Indicator Flashing & or Amber Parking Brake Wrench Indicator Illuminated. DTC C056D or C056E Could Have Other ABS DTC’s

Released 6/28/2019
Brake Pad Life % Calculates Down too Quickly

Released 6/26/2019
Service Update - eBoost Control Module Software False Detection with DTC Associated

Released 5/29/2019
Rear Wheels Lock Up While Driving At Low Speeds Feels Like The Brakes Applied Or The Transmission Was Shifted To Park DTCs P2724 P2727 Or P2729 May Or May Not Set

Released 5/15/2019
Service Brake Assist Message with DTC C0021, C058E and/or C05B0

Released 5/15/2019
During Start up Forward Collision System Reduced Displayed on DIC

Released 5/9/2019
GM Accessory Performance Brake System Rotor Specifications (Brembo Brake Kit)

Released 5/3/2019
Service Parking Brake Message, Red Park Brake Indicator Flashing & or Amber Parking Brake Wrench Indicator Illuminated. DTC C056D or C056E Could Have Other ABS DTC’s

Released 4/18/2019
DTC C116C and/or C116B After Installation of GM Accessory Performance Brake Pads

Released 3/14/2019
Service Brake Assist Message with DTC C0021, C058E and/or C05B0

Released 3/12/2019
Service Update - eBoost Control Module Software False Detection with DTC Associated

Released 12/19/2018
Service Brake Assist Message with DTC a C058E and/or C05B0

Released 12/13/2018
Diagnostic Tip - Perceived Brake Fluid Leak at Caliper Piston Boot

Released 12/5/2018
Warranty Administration - Warranty, SPS, Control Module Diagnostics and Configuration Information, Programming, Set-Up

Released 10/29/2018
Service Brake Assist Message with DTC a C053D or C058E

Released 10/1/2018
SES MIL / Service Brake System / Hard Brake Pedal / Speed Limited With DTC P0606

Released 9/8/2020
Information on Malfunction Indicator Lamp (MIL) Illuminated - DTCs P050D and/or P0300 Setting on A Cold Start and/or Engine Runs Rough when Warm with No Codes

Released 9/2/2020
Malfunction Indicator Lamp (MIL) Illuminated - DTC P0128 Set

TSB Description

Released 6/22/2020
Engineering Information - No Restart After Auto-Stop Event, No Crank, DTCs P0617, P26E6 P305D, U0102, U0284, U0285, U0672, U111A, U111E and/or U1348

Released 5/20/2020
MIL illuminated with DTC P1098 and/or P26BB

Released 4/7/2020
MIL illuminated with DTC P1098 and/or P26BB

Released 4/6/2020
Diagnostic Tip: Possible DTC P3075 That May Be Set Current or History

Released 3/16/2020
MIL illuminated with DTC P1098 and/or P26BB

Released 1/17/2020
MIL illuminated with DTC P1098 and/or P26BB

Released 1/17/2020
Diagnostic Tip: Possible DTC P3075 That May Be Set Current or History

Released 9/11/2019
MIL illuminated with DTC P1098 and/or P26BB

Released 9/3/2019
Malfunction Indicator Lamp (MIL) Illuminated with DTC P3075 Set

Released 6/10/2019
Steam/Vapor Coming from Front Grille or Radiator Area

Released 10/16/2020
Customer Satisfaction Program - Rear Wheels Lock At Low Speed

Released 10/15/2020
Engineering Information - Check Engine Lamp Illuminated On Drivers Information Center (DIC), DTCs U0284, U0285, P059F and/or P05AE Set

TSB Description

Released 10/12/2020
Information on Normal Remote Window Operation and Radio Setting Description

Released 10/9/2020
Warranty Administration - Customer Concern Not Duplicated (CCND) Labor Operation Numbers

Released 9/29/2020
Trailer Running Lights Shut Off Due to Excessive Load on the Running Lamp Circuit

Released 9/18/2020
Instrument Panel Cluster (IPC) Gauges Inoperative, Numerous Driver information Center (DIC) Error Messages, No Brake or Electric Power Steering Assist, Transmission in Default Gear, No Reverse and/or Back Up Lights, No Daytime Running Lights (DRL), No Cru

Released 9/17/2020
Transport Mode On Message Displayed in Driver Information Center (DIC) and/or Battery Light is Flashing

Released 9/4/2020
Rear Heated Switch Indicators Inoperative

Released 9/3/2020
Diagnostic Tip: DTC P06DD P06DA P06DB Set Current Or History Due To Potential Engine Wiring Harness Issues

Released 9/3/2020
SES MIL / No Start / No Crank / Runs Rough / Reduced Engine Power / VSS / DTCs (Inspect Engine Harness)

Released 8/17/2020
Squeak/Creak/Squawk/Itch Type Noise Heard From The I/P or Center Console Area

Released 8/12/2020
Engineering Information – Check Trailer Message on Drivers Information Center (DIC) and/or F74, F82 Fuses Blown

Released 8/4/2020
Engineering Information - Vehicle Exhibits a No Crank No Start Condition During Start/Stop Event or When Starting Vehicle Using the Start Button On the Dash

Released 7/29/2020
SES MIL / No Start / No Crank / Runs Rough / Reduced Engine Power / Loss Communication / DTCs (V8 and V6 Inspect Engine Harness)

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 7/20/2020
Heated Seat Switch Indicators Inoperative or 110v Power Receptacle Switch Indicator Dimly Lit

Released 7/15/2020
Information on Available BCM Calibrations to Restore Bulb Outage Detection on Vehicles Produced by a Second Stage Manufacturer (Upfitter), Turn Signals Flash Fast after Factory Box Removed

Released 6/26/2020
Procedure For Emailing Global Diagnostic System 2 (GDS2) Session Log To GM TAC (US and Canada Dealers Only)

Released 6/26/2020
Various Electrical Concerns (Inspect UBEC Bolts For Being Loose)

Released 6/25/2020
Warranty Administration - Battery Testing and Warranty Replacement Requirements (North America ONLY)

Released 6/11/2020
Possible Crank No Start or Extended Crank With DTC P12A6 Set As Current or History

Released 6/10/2020
Diagnostic Tip - Intermittent Parasitic Battery Draw / Dead Battery / Slow Crank / Radio Stays On or Fades Slowly After RAP Cancel / (LIN Bus)

Released 6/10/2020
Engineering Information - Shift to Park Message On the Drivers Information Center (DIC) (ONLY On Push Button Ignition), Unable to Remove Key from Ignition Cylinder and/or Difficult to Shift Out of Park

Released 6/5/2020
Diagnostic Tip - Trailer Lighting Complaints With Trailering App RPO U1D

Released 6/4/2020
Door May Not Unlock On First Attempt Or Lock Rod Moves Slow/Binds

Released 6/2/2020
Diagnostic Tips - Intermittent Parasitic Battery Draw Below 40 Degrees F / Dead Battery / Slow Crank

Released 5/26/2020
SES MIL / No Start / No Crank / Runs Rough / Reduced Engine Power / Loss Communication / DTCs (V8 and V6 Inspect Engine Harness)

Released 5/21/2020
Misfire Template

Released 5/20/2020
IPC Odometer Programming Method Quick Reference Guide

Released 5/18/2020
Engineering Information - Shift to Park Message On the Drivers Information Center (DIC) (ONLY On Push Button Ignition), Unable to Remove Key from Ignition Cylinder and/or Difficult to Shift Out of Park

Released 5/14/2020
IPC Odometer Programming Method Quick Reference Guide

Released 5/7/2020
SES MIL / IPC Gauges Sweep / IPC Warning Message / Reduced Engine Power / Loss Communication / Various DTCs (V6 Inspect Engine Harness)

Released 4/30/2020
Diagnostic Tips - SES MIL DTC B2B0D and/or B2B0E

Released 4/27/2020
Speedometer Needle Accuracy Information

Released 4/9/2020
Warranty Administration - Battery Testing and Warranty Replacement Requirements (North America ONLY)

Released 3/25/2020
Customer Satisfaction Program - Rear Window Defroster Thermal Events - US Only

Released 3/25/2020
Engineering Information – Check Trailer Message on Drivers Information Center (DIC) and/or F74, F82 Fuses Blown

Released 3/18/2020
Pickup Box Power Endgate May Not Open on Initial Press, or May Not Open at All

Released 3/17/2020
8L45 8L90 Internal Wiring Harness Part Numbers By Application

Released 2/20/2020
Safety Recall - Loose Alternator Cable

Released 1/23/2020
Customer Satisfaction Program - Rear Window Defroster Thermal Events - US Only

Released 1/20/2020
SES MIL / No Start / No Crank / Runs Rough / Reduced Engine Power / VSS / DTCs (Inspect Engine Harness)

Released 1/17/2020
Snow Plow Generator Harness Installation / Radio HVAC IPC Blank out When Operating a Snow Plow

Released 1/7/2020
Customer Satisfaction Program - Power Sliding Rear Window Defroster Failures (Canada only)

Released 1/6/2020
Intermittent or Continuous Horn Blowing, Horn Activation Sensitive to the Touch

Released 1/6/2020
DTC P0606 C0021 Set In the BSCM After N192268090 Was Completed

Released 1/3/2020
Engineering Information – No Crank / No Start

Released 12/20/2019
DTC P0606 C0021 Set In the BSCM After N192268090 Was Completed

Released 12/13/2019
Safety Recall - Loose Alternator

Released 12/12/2019
Engineering Information - During Start/Stop Event Vehicle Fails to Restart Using the Start Button On the Dash

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

Released 11/22/2019
Driver Information Center Welcome Logo Flickers When Entering Vehicle

Released 11/21/2019
Customer Satisfaction Program - Engine Harness Chafing

Released 11/19/2019
Engineering Information – Pictures of Loose Ground Connections at G110 and/or G114

Released 11/7/2019
Engineering Information – Service Engine Soon (SES) Lamp Illuminated, DTC P1467 Set

Released 11/5/2019
J-35616-64B Or EL-35616-58 Terminal Test Probe Information/Repair

Released 10/17/2019
Check Engine Lamp With DTC P3055 or P3056

Released 10/17/2019
Installation of Upfitter Auxiliary Switches (RPO 9L7)

Released 10/16/2019
SES MIL / IPC Gauges Sweep / IPC Warning Message / Reduced Engine Power / Loss Communication / DTCs U0073 U0100 U0101 u0121 U0128 U0129 U0131 U0140 U0146 U0422 U2413 P0107 P0641 C2A07 (Inspect Engine Harness)

Released 10/7/2019
Malfunction Indicator Lamp (MIL) Illuminated, Shift to Park Message on Drivers Information Center (DIC), Unable to Turn Off Ignition and/or Discharged Battery - Multiple DTCs Set

Released 9/26/2019
Hood Ajar Message

Released 9/20/2019
Dead Battery / P1682 P129D P10E4 P2535 / Crank No Start / Unable to Program ECM / Headlamp Water Intrusion / Engine Runs with Ignition Off

Released 9/3/2019
Noisy Starter Operation or a No Start Condition During Auto-Start Function

Released 9/3/2019
Malfunction Indicator Lamp (MIL) Illuminated with One or More Codes set. DTC P30CE, P30CF, P30D0, P30D1

Released 9/3/2019
No Start Conditions Due to Dead Battery

Released 8/26/2019
SES MIL / No Start / No Crank / Runs Rough / Reduced Engine Power / VSS / DTCs (Inspect Engine Harness)

Released 8/19/2019
GM Wiring Repair Strategy Information

Released 8/7/2019
Installation of Upfitter Auxiliary Switches (RPO 9L7)

Released 8/5/2019
No Crank Intermittent Dead Battery

Released 8/1/2019
Driver Information Center Welcome Logo Flickers When Entering Vehicle

Released 7/31/2019
Diagnostic Tip - Engine Will Not Crank

Released 7/30/2019
LIN Bus Diagnostic Information

Released 7/29/2019
Diagnostic Aids: Adding A Transmitter or Key Without Service Programming System (Quick Learn)

Released 7/16/2019
Multiple U-code Diagnostic Information – With one having symptom Byte 71

Released 7/10/2019
Malfunction Indicator Lamp (MIL) Illuminated - DTCs U0101, U102, U0129, U0140 and/or U18A2 Set

Released 6/28/2019
Rear Heated Switch Indicators Inoperative

Released 6/20/2019
SES MIL / No Start / No Crank / Runs Rough / Reduced Engine Power / VSS / DTCs (Inspect Engine Harness)

Released 6/4/2019
Second or Third Row Seat Center Reading and Courtesy Lamp Stays On

Released 6/3/2019
J-35616-64B Terminal Test Probe / Replacement Terminal / Terminated Lead

Released 5/31/2019
Heated Seat Switch Indicators Inoperative or 110v Power Receptacle Switch Indicator Dimly Lit

Released 5/28/2019
Procedure For Attaching GDS2 Session Logs To Technical Assistance Cases Using Dealer Case Management (US Dealers Only).

Released 5/21/2019
Engine Air Filter Life Shows 0% After Battery Disconnect

Released 5/17/2019
SES MIL / No Start / Stall / DTCs P16A7 P16AF

Released 5/13/2019
Headlight Flicker or Inoperative When Switching Between The Truck and Snow Plow Headlights

Released 5/13/2019
DRLs or Auto Headlights Will Not Disable with Headlamp Switch

Released 4/23/2019
Intermittent Sunroof Operation, Bind, Noise, Auto-reverse, and/or Water Leaks

Released 4/5/2019
No Crank After An Auto Stop Event

Released 4/3/2019
Service Update - Trailer Integration Module Software Error

Released 4/1/2019
Warranty Administration - Battery Testing and Warranty Replacement Requirements (North America ONLY)

Released 3/29/2019
Service Update - Cruise Control Indicator and Digital Speed Not Displaying (U.S. Only)

Released 3/12/2019
SES MIL and ECM DTCs U0101 U102 U0129 U0140 and/or U18A2

Released 3/11/2019
Transport Mode On Message Displayed in DIC and/or Battery Light is Flashing

Released 3/11/2019
Trailer Disconnected Check Connection Message on DIC Without a Trailer Connected (Reprogram the Trailer Lighting Control Module K68)

Released 3/8/2019
Loose Shifter Lever / Poor Shift Actuation from Shift Lever / Shift to Park Message / Dead Battery

Released 3/6/2019
Engineering Information – During Start/Stop Event Vehicle Fails to Restart Using the Start Button On the Dash

Released 3/1/2019
Trailer Disconnected Check Connection Message on DIC Without a Trailer Connected (Reprogram the Trailer Lighting Control Module K68)

Released 2/14/2019
Engineering Information - Pictures of Door Weather Strip, Door Body Fit and/or Rear Tail Lamp Moisture Product Issues Covered Under Warranty

Released 2/12/2019
Information On Ignition Coil Appearance for V8 Engines

Released 2/1/2019
Dead Battery / P1682 / Crank No Start / Unable to Program ECM / Headlamp Water Intrusion / Engine Runs with Ignition Off

Released 1/29/2019
Cold Weather and Long Stand Time Battery Maintenance and Testing Tips

Released 1/28/2019
Dead Battery Or P0096 Or P0071 Stored

Released 1/24/2019
Warranty Administration - Battery Testing and Warranty Replacement Requirements (North America ONLY)

Released 1/22/2019
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 TPo

Released 1/18/2019
Automatic Park Brake Feature in Trailer Hitch View Not Functioning

Released 1/18/2019
Warranty Administration - Revised Wiring Repair Labor Operations and Required Additional Information

Released 1/17/2019
Service 4wd message P1899 P189A C11B9

Released 1/8/2019
Disabling Auto Door Locks

Released 1/4/2019
Dead Battery / P1682 / Crank No Start / Unable To Program ECM / Headlamp Water Intrusion / Engine Runs With Ignition Off

Released 12/13/2018
Exterior Lamp Condensation and Replacement Guidelines

Released 12/13/2018
Safety Recall - Passenger Airbag Underinflated

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

Released 12/6/2018
Safety - Passenger Airbag Underinflated

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
Requirements For OnStar Over The Air Programming And Updates

Released 11/20/2018
Diagnostic Tips: XM Audio Traffic And Travel Link Availability And Operation

Released 11/19/2018
Sunroof Air Deflector Loose Spring Arm

Released 11/15/2018
Heated Seat Switch Indicators Inoperative or 110v Power Receptacle Switch Indicator Dimly Lit

Released 11/14/2018
Ticking Noise From The Engine

Released 11/9/2018
Rear Infotainment Audio Output Choppy/Intermittent When Headphones are Connected VIA Audio Jack or Bluetooth

Released 11/9/2018
E01 ECM Restriction

Released 11/8/2018
Rear View Camera Image Flicker When Brake Lamps or Turn Signals are on

Released 11/5/2018
Driver Information Center (DIC) Inoperative

Released 10/30/2018
Intermittent OnStar Inoperative DTC B101D-39 Red LED And Clock Date Time Inaccurate

Released 10/25/2018
Radio Software Version V507 Over-the-Air Update

Released 10/24/2018
Intermittent Bluetooth Connection or Total Loss of Bluetooth Connection

Released 10/23/2018
Power Folding Mirror(s) Does Not Stop at the Correct Location / Do Not Move / Make Grinding Noise / or Will Fold Completely Forward

Released 10/23/2018
Vehicle Vibration Diagnosis and TAC Requests For Assistance With Vibration Related Complaints

Released 10/19/2018
Normal Characteristic - Detent or Click Felt as The Accelerator is Pressed

Released 10/16/2018
Blank 7 Inch Radio Display During Radio Replacement

Released 10/12/2018
Engineering Information - Rough Idle and/or Misfire, DTC P0300 Set

Released 10/12/2018
SES MIL DTC P1005

Released 10/12/2018
DTC P0011 Setting

Released 10/8/2018
Malfunction Indicator Lamp (MIL) Illuminated with DTC P0300

Released 10/3/2018
IPC Odometer Programming Method Quick Reference Guide

Released 10/2/2018
E01 ECM Restriction

Released 10/1/2018
Malfunction Indicator Lamp (MIL) Illuminated - DTC P3498, P3499, P349A, P039B, P349C, P349D, P349E, and/or P349F Set

Released 9/27/2018
Unwanted Stability Activation and/or C0710

Released 9/26/2018
Power Folding Mirror(s) Does Not Stop at the Correct Location and Will Fold Completely Forward

Released 9/26/2018
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 9/13/2018
Normal Engine Air Leak Whistle Noise From The PCV

Released 9/13/2018
Passive Door Unlocking Inoperative and/or Enabling and Disabling of Passive Unlocking

Released 9/5/2018
Dynamic Fuel System DTC

Released 9/5/2018
Diagnostic Tip: Diagnosing Vehicles with OnStar DTC B101D-39

Released 8/30/2018
Diagnostic Tip - Passive Door Unlocking Inoperative

Released 8/28/2018
Procedure For Emailing Global Diagnostic System 2 (GDS2) Session Log To GM TAC (US and Canada Dealers Only)

Released 8/27/2018
Diagnostic Tip - IPC Gauges Inoperative or Fluctuate, No Crank, Start then Stall

Released 8/24/2018
Variable Diagnostic Time Allowances (U.S. Only)

Released 8/24/2018
IPC Odometer Programming Method Quick Reference Guide

Released 8/23/2018
Passive Entry and Passive Starting Functions Are Always Inoperative on One, or Both, of the RKE Fobs, Possible Various DIC Messages

Released 8/22/2018
Engineering Information — Trailer Electrical Not Working as Intended and/or Trailer Message Displayed

Released 8/22/2018
Information on Service Manuals Availability on USB

Released 8/20/2018
Diagnostic Tip - Lane Keep Assist and Lane Departure Warning Functionality

Released 8/20/2018
Rear View Camera (RVC) Missing Guidance Lines and Has Distorted Image

Released 8/14/2018
TAC Part Restriction for US Dealers - Navigation Radio, Radio, Human Machine Interface, Radio Display, and Radio Control/Integrated Center Stack

Released 8/9/2018
Part Restriction and Ordering Process Information for OnStar Vehicle Communication Interface Modules (VCIM) (GMNA Only)

Released 12/9/2019
Service Engine Soon (SES) Lamp Illuminated, DTC P1467 and/or P1469 Set

Released 9/3/2019
Malfunction Indicator Lamp (MIL) Illuminated with DTC P1467 set

TSB Description

Released 3/15/2019
P015B Setting L84 L87

Released 3/1/2019
Information on Black Smoke, Rough Idle and Minimal Misfires on Cold Start

Released 12/27/2018
Service Update - Evaporative Emission Purge Pump Failures

Released 10/8/2018
Malfunction Indicator Lamp (MIL) Illuminated with DTC P0300

Released 10/1/2018
Malfunction Indicator Lamp (MIL) Illuminated - DTC P3498, P3499, P349A, P039B, P349C, P349D, P349E, and/or P349F Set

Released 8/20/2020
Low Mileage Running Poorly With Rich Fuel Trims and/or Crank Case Overfull

Released 5/27/2020
Fuel Pump Driver Control Module Configuration Function Missing in GDS2

TSB Description

Released 5/27/2020
Various Engine Noises During Cold Start and Warm Engine Operation

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

Released 5/5/2020
Information on Fuel Injector Replacement Guidelines During Service, Malfunction Indicator Lamp (MIL) Illuminated - DTCs P0300-P0308, P050D, P0171, P0172, P0174, P0175, P2099, P219A, and/or P219B Set

Released 4/27/2020
Possible Crank No Start or Extended Crank With DTC P12A6 Set As Current or History

Released 4/24/2020
Low Mileage Running Poorly With Rich Fuel Trims and/or Crank Case Overfull

Released 3/4/2020
SES MIL DTC P1005

Released 1/23/2020
Poor Fuel Transfer and/or Rear Fuel Tank Collapsed

Released 1/17/2020
SES MIL DTC P1005

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 1/10/2020
Engine Runs With Intermittent Crank No Start With P0011 Or P00C6 May be Current Or Set In History

Released 12/18/2019
Customer Satisfaction Program - Engine Oil Cooler Lines Detaching from Crimp – Canada and State of Alaska Only

Released 12/9/2019
Service Engine Soon (SES) Lamp Illuminated, DTC P1467 and/or P1469 Set

Released 10/28/2019
Engine Air Leak from The Foul PCV Tube, Whistle Noise, P0171 and/or P0174

Released 10/25/2019
Normal Characteristic - Bump Feel Or Clunk Noise After A Stop

Released 10/22/2019
GE-52250 Power Smoke Diagnostic Leak Detector Turbocharger Charge Air And Induction System Tester MIL Reduced Engine Power

Released 10/17/2019
Air Leak/Whistle Type Noise Heard from Engine Compartment

Released 9/26/2019
Emission Recall - Air Induction Kit Missing Vehicle Emission Control Information Label

Released 8/13/2019
Mandatory VECI Label Replacement for (5W7) Performance Air Intake Kits

Released 7/31/2019
Information On AFM DFM Usage

Released 7/15/2019
Diagnostic Tip: MIL Illuminated Possible Reduced Engine Power Message with DTC P2101 and/or P1516 Set as Current or History

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 5/21/2019
Engine Air Filter Life Shows 0% After Battery Disconnect

Released 5/7/2019
SES Lamp P050D P0300 Setting On A Cold Start And/Or a Run Rough Warm with No codes

Released 4/8/2019
Air-Filter Showing 0% Life

Released 3/7/2019
TOP TIER Detergent Gasoline and TOP TIER Diesel Fuel Information and Licensed Brands

Released 3/1/2019
Information on Black Smoke, Rough Idle and Minimal Misfires on Cold Start

Released 12/7/2018
Customer Satisfaction - Braze Incomplete Missing on Harness Bulkhead Support Bracket to Fuel Rail

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 11/5/2018
Air-Filter Showing 0% Life

Released 9/5/2018
Dynamic Fuel System DTC

Released 7/30/2018
Diagnostic Tip - Diesel Fuel System Contamination

Released 10/9/2020
Warranty Administration - Customer Concern Not Duplicated (CCND) Labor Operation Numbers

Released 10/8/2020
Manual HVAC Settings During a Remote Start - Diagnostic Tip

TSB Description

Released 8/21/2020
Poor A/C Performance and/or Drivers Side A/C Blows Warmer Than Passenger Side (A/C Condenser Internally Bypassing)

Released 7/27/2020
AC Blows Warm or Poor Performance

Released 3/9/2020
Manual HVAC Settings During a Remote Start - Diagnostic Tip

Released 10/22/2019
HVAC Mode Does Not Move to the Correct Position / Unable to Reach Certain Mode Positions / Mode Door Stuck / No Related HVAC DTCs

Released 9/17/2019
Radio Displays Climate Off Message or HVAC Popup Displays Different Settings

Released 8/23/2019
Radio Displays Climate Off Message or HVAC Popup Displays Different Settings

Released 8/12/2019
Radio Displays Climate Off Message or HVAC Popup Displays Different Settings

Released 3/11/2019
Radio Displays Climate Off Message or HVAC Popup Displays Different Settings

Released 3/5/2019
HVAC Mode Does Not Move to the Correct Position / Unable to Reach Certain Mode Positions / Mode Door Stuck / No Related HVAC DTCs

Released 11/5/2018
Air-Filter Showing 0% Life

Released 10/31/2018
Service Update - Defrost Linkage Not Fully Seated

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

Released 9/5/2018
Information on A/C Odors During Start Up in Hot Humid Climates

Released 8/22/2018
A/C Inoperative and/or Insufficient Cooling

Released 10/16/2020
Customer Satisfaction Program - Rear Wheels Lock At Low Speed

Released 10/15/2020
Engineering Information - Check Engine Lamp Illuminated On Drivers Information Center (DIC), DTCs U0284, U0285, P059F and/or P05AE Set

TSB Description

Released 10/15/2020
Engineering Information - No Restart After Auto-Stop Event, No Crank, DTCs P0617, P26E6 P305D, U0102, U0284, U0285, U0672, U111A, U111E and/or U1348

Released 10/13/2020
Information on Diesel Exhaust Fluid (DEF) Pump Unable to Build Pressure After Replacement

Released 10/9/2020
Warranty Administration - Customer Concern Not Duplicated (CCND) Labor Operation Numbers

Released 10/8/2020
Misfire Template

Released 10/5/2020
Possible Crank No Start or Extended Crank With DTC P12A6 Set As Current or History

Released 9/22/2020
Possible Crank No Start or Extended Crank With DTC P12A6 Set As Current or History

Released 9/18/2020
Instrument Panel Cluster (IPC) Gauges Inoperative, Numerous Driver information Center (DIC) Error Messages, No Brake or Electric Power Steering Assist, Transmission in Default Gear, No Reverse and/or Back Up Lights, No Daytime Running Lights (DRL), No Cru

Released 9/14/2020
Diagnostic Tip: Inspect Engine Oil Dipstick Tube O-ring And Areas Above Lower Oil Pan Sealing Surface For Potential Engine oil Leaks

Released 9/9/2020
Delayed and/or Harsh Engagement of Transmission Shift After Vehicle Sitting with Engine Off

Released 9/8/2020
Information on Malfunction Indicator Lamp (MIL) Illuminated - DTCs P050D and/or P0300 Setting on A Cold Start and/or Engine Runs Rough when Warm with No Codes

Released 9/3/2020
Diagnostic Tip: DTC P06DD P06DA P06DB Set Current Or History Due To Potential Engine Wiring Harness Issues

Released 9/3/2020
SES MIL / No Start / No Crank / Runs Rough / Reduced Engine Power / VSS / DTCs (Inspect Engine Harness)

Released 9/2/2020
Malfunction Indicator Lamp (MIL) Illuminated - DTC P0128 Set

Released 8/27/2020
Possible Crank No Start or Extended Crank With DTC P12A6 Set As Current or History

Released 8/20/2020
Low Mileage Running Poorly With Rich Fuel Trims and/or Crank Case Overfull

Released 8/17/2020
Squeak/Creak/Squawk/Itch Type Noise Heard From The I/P or Center Console Area

Released 8/12/2020
Squeak Chirp Noise From Front Axle In 2wd

Released 8/6/2020
Possible Crank No Start or Extended Crank With DTC P12A6 Set As Current or History

Released 7/29/2020
Possible Crank No Start or Extended Crank With DTC P12A6 Set As Current or History

Released 7/27/2020
Glow Plug Control Module Update for P133x and/or P067x

Released 7/27/2020
Needle Bearings Found In The Oil Pan During An Oil Change

Released 7/10/2020
Diagnosing Fishbite Chuggle Misfire Feeling Or Shudder Vibration, With A Light Tip In

Released 7/8/2020
Engineering Information – Malfunction Indicator Lamp (MIL) Illuminated and/or Functional Failures of the Airflow Shutter, DTCs P05AE, U0284, P059F, U0285 Set

Released 6/26/2020
Various Electrical Concerns (Inspect UBEC Bolts For Being Loose)

Released 6/25/2020
Diagnosing Fishbite Chuggle Misfire Feeling Or Shudder Vibration, With A Light Tip In

Released 6/24/2020
Engine Control Module Calibration for T1 L3B Engine with DTC P26BB Set

Released 6/23/2020
Warranty Administration - Engine and Transmission Assembly Replacement (U.S. Only)

Released 6/22/2020
Engineering Information - No Restart After Auto-Stop Event, No Crank, DTCs P0617, P26E6 P305D, U0102, U0284, U0285, U0672, U111A, U111E and/or U1348

Released 6/13/2020
Diagnostic Tip: Inspect Engine Oil Dipstick Tube O-ring And Areas Above Lower Oil Pan Sealing Surface For Potential Engine oil Leaks

Released 6/12/2020
Unwanted Grade Braking, Low Power, and/or Transmission Busy Shifting / P057B, P057C, and/or P057D

Released 6/11/2020
Possible Crank No Start or Extended Crank With DTC P12A6 Set As Current or History

Released 6/10/2020
Engineering Information - Shift to Park Message On the Drivers Information Center (DIC) (ONLY On Push Button Ignition), Unable to Remove Key from Ignition Cylinder and/or Difficult to Shift Out of Park

Released 6/8/2020
Slip Or Shudder During A Launch In First Second Third Or Fourth Gears Delayed Engagement Into Drive Clunk Or Bump During The 1-2 Shift

Released 5/28/2020
Ticking Noise from the Engine

Released 5/27/2020
Various Engine Noises During Cold Start and Warm Engine Operation

Released 5/26/2020
SES MIL / No Start / No Crank / Runs Rough / Reduced Engine Power / Loss Communication / DTCs (V8 and V6 Inspect Engine Harness)

Released 5/26/2020
Engineering Information - Shift to Park Message On the Drivers Information Center (DIC) (ONLY On Push Button Ignition), Unable to Remove Key from Ignition Cylinder and/or Difficult to Shift Out of Park

Released 5/21/2020
Misfire Template

Released 5/20/2020
Squeak Chirp Noise From Front Axle In 2wd

Released 5/20/2020
MIL illuminated with DTC P1098 and/or P26BB

Released 5/14/2020
Lack of Acceleration Followed by a Clunk Feeling After Shifting From Reverse to Drive

Released 5/13/2020
DTC P0101 Mass Air Flow (MAF) Sensor Performance, P1682 Set after MAF Replacement

Released 5/12/2020
Fuel Pump Driver Control Module Configuration Function Missing in GDS2

Released 5/11/2020
2-3 Upshift Slip or Flare

Released 5/6/2020
Diagnosing Fishbite Chuggle Misfire Feeling Or Shudder Vibration, With A Light Tip In

Released 5/5/2020
GE-52250 Power Smoke Diagnostic Leak Detector Turbocharger Charge Air And Induction System Tester MIL Reduced Engine Power

Released 5/5/2020
8L45 8L90 Internal Wiring Harness Part Numbers By Application

Released 4/30/2020
Diagnostic Tips - SES MIL DTC B2B0D and/or B2B0E

Released 4/27/2020
Possible Crank No Start or Extended Crank With DTC P12A6 Set As Current or History

Released 4/7/2020
Low Oil or Add Oil Message Being Displayed on the Driver Information Center (DIC)

Released 4/3/2020
SES Lamp P050D P0300 Setting On A Cold Start And/Or a Run Rough Warm with No codes

Released 4/2/2020
Engineering Information – Oil Leaking From Oil Pan

Released 3/31/2020
Malfunction Indicator Lamp (MIL) Illuminated - DTC P0741 Set

Released 3/30/2020
Diagnostic Tip: Oil Leak Repairs and Resealing of Composite Oil Pans and Use of Proper RTV Sealant and Surface Primer

Released 3/27/2020
Squeak Chirp Noise From Front Axle In 2wd

Released 3/26/2020
Engineering Information – Service Engine Soon (SES) Lamp Illuminated, DTCs B2B0D and/or B2B0E Central Gateway Module Codes Unable to Communicate with HSLAN or LSLAN

Released 3/18/2020
Service 4wd message with DTC C15A9

Released 3/17/2020
Various Engine Noises During Cold Start and Warm Engine Operation

Released 3/17/2020
8L45 8L90 Internal Wiring Harness Part Numbers By Application

Released 3/17/2020
Shifter Stuck In Park

Released 3/11/2020
Loose Shifter Lever / Poor Shift Actuation from Shift Lever / Shift to Park Message / Dead Battery

Released 3/9/2020
Information on Malfunction Indicator Lamp (MIL) Illuminated with Multiple Fuel Trim and/or Oxygen Sensor Codes Set

Released 2/26/2020
Information on Active Fuel Management (AFM) and Dynamic Fuel Management (DFM) Usage

Released 2/17/2020
Engineering Information – Vibration and/or Banging Noise Heard From Under the Vehicle

Released 1/28/2020
Engineering Information - During Start/Stop Event Vehicle Fails to Restart Using the Start Button On the Dash

Released 1/24/2020
DFM/AFM Vibration Or Drone

Released 1/17/2020
Diagnosing Fishbite Chuggle Misfire Feeling Or Shudder Vibration, With A Light Tip In

Released 1/17/2020
Rear Wheels Lock Up While Driving At Low Speeds Feels Like The Brakes Applied Or The Transmission Was Shifted To Park DTCs P2724 P2727 Or P2729 May Or May Not Set

Released 1/17/2020
SES MIL DTC P1005

Released 1/17/2020
8L45 8L90 Internal Wiring Harness Part Numbers By Application

Released 1/16/2020
BSCM DTCs P0606 C0021 Set After BSCM Reprogrammed For N192268090 / N192264451 / N192210460

Released 1/10/2020
Diagnostic Tips for Engine Vibration

Released 1/10/2020
Engine Runs With Intermittent Crank No Start With P0011 Or P00C6 May be Current Or Set In History

Released 12/18/2019
Customer Satisfaction Program - Engine Oil Cooler Lines Detaching from Crimp – Canada and State of Alaska Only

Released 12/4/2019
Engineering Information – Service Engine Soon (SES) Lamp Illuminated, DTCs B2B0D and/or B2B0E Central Gateway Module Codes Unable to Communicate with HSLAN or LSLAN

Released 12/2/2019
PQC E01 ECM Part Restriction Has Ended

Released 11/26/2019
Malfunction Indicator Lamp (MIL) Illuminated - DTC P0741 Set

Released 11/25/2019
Engineering Information - Service Engine Soon (SES) Lamp Illuminated, DTC P1467 Set

Released 11/22/2019
GM TAC Support On Vehicle Automatic Transmission Concerns That Can Be Duplicated

Released 11/22/2019
Harsh 3-2 Downshift During Closed Throttle Coast Down When Coming to a Stop

Released 11/22/2019
No Restart after an Auto Stop Event / No Crank / DTC U0102 U0284 U0285 U0672 P0617 P26E6 P305D U111A U111E U1348

Released 11/20/2019
Customer Satisfaction Program - Transfer Case Oil Leak

Released 11/18/2019
Diagnostic Tip for Crank/No Start

Released 11/7/2019
Engineering Information – Service Engine Soon (SES) Lamp Illuminated, DTC P1467 Set

Released 11/7/2019
SES Lamp With Camshaft Position Codes P0340 and/or P0341

Released 11/4/2019
Engine Air Leak from The Foul PCV Tube, Whistle Noise, P0171 and/or P0174

Released 10/29/2019
Information on Driveline Clunk Noise

Released 10/28/2019
Engineering Information – Vehicle Exhibits No Crank Condition During Start/Stop Event and/or When Starting Vehicle Using the Start Button On the Dash

Released 10/25/2019
Normal Characteristic - Detent or Click Felt as The Accelerator is Pressed

Released 10/23/2019
P0128 Setting

Released 10/17/2019
Air Leak/Whistle Type Noise Heard from Engine Compartment

Released 10/16/2019
SES MIL / IPC Gauges Sweep / IPC Warning Message / Reduced Engine Power / Loss Communication / DTCs U0073 U0100 U0101 u0121 U0128 U0129 U0131 U0140 U0146 U0422 U2413 P0107 P0641 C2A07 (Inspect Engine Harness)

Released 10/15/2019
Loose Shifter Lever / Poor Shift Actuation from Shift Lever / Shift to Park Message / Dead Battery

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
Squeak Chirp Noise From Front Axle In 2wd

Released 10/9/2019
Information on Engine Oil Consumption Guidelines

Released 9/24/2019
Ticking Noise From The Engine

Released 9/18/2019
Rear Wheels Lock Up While Driving At Low Speeds Feels Like The Brakes Applied Or The Transmission Was Shifted To Park DTCs P2724 P2727 Or P2729 May Or May Not Set

Released 9/13/2019
Engineering Information – Oil Leaking From Oil Pan

Released 9/9/2019
Vehicle will not start when ambient temperatures are below -13 F (-25C)

Released 9/5/2019
Normal Characteristic - Engine Stops Running after Extended idle

Released 9/4/2019
PQC E01 ECM Restriction

Released 9/3/2019
Noisy Starter Operation or a No Start Condition During Auto-Start Function

Released 9/3/2019
Vehicle stalls when using remote start when ambient temperatures are below 21 F (-6 C) and possible DTC P037C set

Released 8/28/2019
Customer Satisfaction Program - Front Axle with Cracked Retainer – 1 Involved Vehicle in USA Only

Released 8/21/2019
Identifying Non-GM (Aftermarket) Engine Calibrations for Gasoline Engines Using Tech 2 or GDS 2 (U.S. and Canada)

Released 8/20/2019
PQC 2019 Part Restriction T93 Transmission Control Module Has Ended

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 8/12/2019
Engineering Information - Intermittent No Forward and/or No Reverse While Driving

Released 8/7/2019
Squeak Chirp Noise From Front Axle In 2wd

Released 8/6/2019
Service Update Bulletin - Transfer Case Oil Leak

Released 8/6/2019
PQC 2019 Part Restriction T93 Transmission Control Module

Released 8/5/2019
Transfer Case Exchange Program Has Ended

Released 7/31/2019
Diagnostic Tip - Engine Will Not Crank

Released 7/31/2019
Information On AFM DFM Usage

Released 7/23/2019
Ticking Noise From The Engine

Released 7/16/2019
Diagnostic Tips for Reduced Acceleration at Low Speed and/or Transmission Slipping from a Launch, DTC P0751 Set

Released 7/15/2019
Diagnostic Tip: MIL Illuminated Possible Reduced Engine Power Message with DTC P2101 and/or P1516 Set as Current or History

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

Released 6/27/2019
10L80 10 Speed Automatic Transmission Restriction Program

Released 6/26/2019
SES MIL and ECM DTCs U0101 U102 U0129 U0140 and/or U18A2

Released 6/26/2019
Aftermarket ALDL or DLC Interface Devices Causing Multiple Issues

Released 6/26/2019
PQC 2019 Part Restriction T93 Transmission Control Module

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

Released 6/24/2019
Front and Rear Axle Restriction for Vehicles with RPO SU5 SU8 Has Ended

Released 6/20/2019
SES MIL / No Start / No Crank / Runs Rough / Reduced Engine Power / VSS / DTCs (Inspect Engine Harness)

Released 6/19/2019
Warranty Administration - Warranty SPS Control Module Reprogramming

Released 6/19/2019
Transfer Case Exchange Program

Released 6/13/2019
10L90 10L80 10 Speed Automatic Transmission Valve Body Part Unique Number PUN May Contain the Letter O Or The Number 0

Released 6/10/2019
Service Update - Engine Calibration Torque Model Not Accurate

Released 6/5/2019
Shake and/or Shudder During Light Throttle Acceleration Between 25 and 80 MPH (40 and 128 KM/H) at Steady Speed

Released 6/4/2019
No Restart after an Auto Stop Event

Released 6/3/2019
The E01 ECM Restriction Has Ended

Released 5/29/2019
Squeak chirp noise from front axle in 2wd

Released 5/29/2019
PQC 2019 Part Restriction T93 Transmission Control Module

Released 5/29/2019
Rear Wheels Lock Up While Driving At Low Speeds Feels Like The Brakes Applied Or The Transmission Was Shifted To Park DTCs P2724 P2727 Or P2729 May Or May Not Set

Released 5/22/2019
2.7L (RPO L3B) Engine Exchange Program Has Ended

Released 5/20/2019
Information on Water or Ethylene Glycol in Transmission Fluid

Released 5/16/2019
MIL on P0011 and/or P0014

Released 5/14/2019
PQC 2019 Part Restriction T93 Transmission Control Module

Released 5/14/2019
Rear Wheels Lock Up While Driving At Low Speeds Feels Like The Brakes Applied Or The Transmission Was Shifted To Park DTCs P2724 P2727 Or P2729 May Or May Not Set

Released 5/13/2019
Low Mileage Running Poorly With Rich Fuel Trims and/or Crank Case Overfull

Released 5/10/2019
2019 Full Size Truck E90 ECM Restriction Has Ended

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 5/7/2019
SES Lamp P050D P0300 Setting On A Cold Start And/Or a Run Rough Warm with No codes

Released 5/6/2019
10L80 10 Speed Automatic Transmission Restriction Program

Released 5/6/2019
Needle Bearings Found In The Oil Pan During An Oil Change

Released 4/23/2019
Engineering Information – Service Engine Soon (SES) Light On, Rough Idle, Running Lean, Engine Air Leak From the Foul PCV Tube and/or Whistle Type Noise, DTCs P0171 and/or P0174 Set

Released 4/23/2019
3.0L (RPO LM2) Engine Exchange Program

Released 4/12/2019
Speedometer Needle Accuracy Information

Released 4/9/2019
SES Lamp Setting A P0106 And/Or P0506

Released 4/8/2019
8L45, 8L90 Park System Does Not Engage

Released 4/5/2019
No Crank After An Auto Stop Event

Released 4/4/2019
GM TAC Support On Vehicle Automatic Transmission Concerns That Can Be Duplicated

Released 4/2/2019
Manual Transmission Operating Characteristics

Released 4/2/2019
Engineering Information - Reduced Engine Power, DTC P0299 Set

Released 4/1/2019
Service 4WD Lamp Message Displayed - DTC C119B 04, P0700, and/or P2534 Set

Released 3/27/2019
10L80 Additional Instructions For Control Valve Body Bolt Kit Part Number 24294356

Released 3/18/2019
Engineering Information – Service Engine Soon (SES) Light On When Snow and/or Ice Accumulates in the Active Grille Air Shutters, DTC P059F Set

Released 3/15/2019
P015B Setting L84 L87

Released 3/12/2019
Service Update - eBoost Control Module Software False Detection with DTC Associated

Released 3/12/2019
SES MIL and ECM DTCs U0101 U102 U0129 U0140 and/or U18A2

Released 3/11/2019
Engineering Information - Rough Idle and/or Misfire, DTC P0300 Set

Released 3/8/2019
Ticking Noise From The Engine

Released 3/8/2019
Loose Shifter Lever / Poor Shift Actuation from Shift Lever / Shift to Park Message / Dead Battery

Released 3/7/2019
6.0L L96 Low Oil Pressure And/Or P0521

Released 3/7/2019
Service 4wd message P1899 P189A C119B

Released 3/6/2019
Engineering Information – During Start/Stop Event Vehicle Fails to Restart Using the Start Button On the Dash

Released 3/1/2019
Information on Black Smoke, Rough Idle and Minimal Misfires on Cold Start

Released 2/27/2019
2019 Full Size Truck E90 ECM Restriction

Released 2/26/2019
Engineering Information - Reduced Engine Power, DTC P0299 Set

Released 2/26/2019
Loose Shifter Lever and/or Poor Shift Actuation From Shift Lever

Released 2/21/2019
High Pitch Whine or Buzz Noise Heard From Under The Vehicle

Released 2/18/2019
Information on Slight Movement in Park at Ignition On and Vehicle Start Up and/or During a Remote Vehicle Start Event

Released 2/18/2019
Misfire Template

Released 2/7/2019
Information on Vibration Analysis and Diagnostic

Released 2/4/2019
Engineering Information – Reduced Engine Power, DTC P0299 Set

Released 2/1/2019
Engineering Information – Service Engine Soon (SES) Light On, Rough Idle, Running Lean, Engine Air Leak From the Foul PCV Tube and/or Whistle Type Noise, DTCs P0171 and/or P0174 Set

Released 2/1/2019
Dead Battery / P1682 / Crank No Start / Unable to Program ECM / Headlamp Water Intrusion / Engine Runs with Ignition Off

Released 1/29/2019
5.3L L84 6.2L L87 Engine Exchange Program Has Ended

Released 1/28/2019
Dead Battery Or P0096 Or P0071 Stored

Released 1/22/2019
Service 4wd message P1899 P189A C119B

Released 1/22/2019
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 TPo

Released 1/18/2019
Engineering Information – Check Engine Light On, DTCs P0097, P00F4, P0102 and/or P2199 Set

Released 1/17/2019
Service 4wd message P1899 P189A C11B9

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 1/4/2019
Dead Battery / P1682 / Crank No Start / Unable To Program ECM / Headlamp Water Intrusion / Engine Runs With Ignition Off

Released 12/26/2018
Service Update - Oil Control Valve

Released 12/19/2018
Service Update - Suspect Rear Axle Welds

Released 12/13/2018
Concern Of An Engine Thermostat Tick Noise And/Or Running Hot

Released 12/11/2018
Service Update - Harsh Downshift After Extended Driving in High Gears

Released 12/10/2018
Service Update - Valve Body Solenoid Connection Not Seated

Released 12/6/2018
Whistle Noise From The Crank Case

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 11/29/2018
Transfer Case Exchange Program

Released 11/29/2018
Service Update - Harsh Downshift After Extended Driving in High Gears

Released 11/23/2018
2.7L (RPO L3B) Engine Exchange Program

Released 11/15/2018
10L80 10 Speed Automatic Transmission Restriction Program

Released 11/2/2018
Ticking Noise From The Engine

Released 10/30/2018
Warranty Administration - Labor Operation 0600018 - Personal Property Damage

Released 10/29/2018
Front and Rear Axle Restriction for Vehicles with RPO SU5 SU8

Released 10/26/2018
Steering Jerks Or Kicks Back / Reduced Power Steering Assist / Engine Stall / No Start / Service Stabilitrak / IPC / Radio / HVAC Goes Blank Various DTCs

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 10/19/2018
Normal Characteristic - Detent or Click Felt as The Accelerator is Pressed

Released 10/17/2018
Vehicle Vibration Diagnosis and TAC Requests For Assistance With Vibration Related Complaints

Released 10/12/2018
Engineering Information - Rough Idle and/or Misfire, DTC P0300 Set

Released 10/3/2018
Engine Replacement After Severe Internal Engine Damage - Replace Intake Manifold

Released 9/27/2018
Transmission Fluid Leak from Transmission Oil Cooler Line Fitting Retaining Bolt

Released 9/27/2018
10L80 10 Speed Automatic Transmission Restriction Program

Released 9/26/2018
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 9/13/2018
Normal Engine Air Leak Whistle Noise From The PCV

Released 8/27/2018
Diagnostic Tip - IPC Gauges Inoperative or Fluctuate, No Crank, Start then Stall

Released 8/23/2018
Passive Entry and Passive Starting Functions Are Always Inoperative on One, or Both, of the RKE Fobs, Possible Various DIC Messages

Released 8/22/2018
6.6L Duramax Possible Oil Leak Path Information

Released 8/22/2018
OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification

Released 8/20/2018
10L90 10L80 10 Speed Automatic Transmission Restriction Program July 20, 2018

Released 8/15/2018
Information On Oil Residue Found On The Engine Oil Cooler (EOC) Lines, Cooler Block and Oil Filter During PDI or Low Mileage Repair

Released 8/14/2018
TAC Part Restriction for US Dealers - Navigation Radio, Radio, Human Machine Interface, Radio Display, and Radio Control/Integrated Center Stack

Released 8/8/2018
Alleged Cylinders Out Of Round

Released 8/8/2018
Front and Rear Axle Restriction for Vehicles with RPO SU5 SU8

Released 8/6/2018
PQC 2019 Part Restriction T93 Transmission Control Module

Released 8/6/2018
Transfer Case Exchange Program

Released 7/30/2018
Diagnostic Tip - Diesel Fuel System Contamination

Released 7/13/2018
New Engine Features 5.3L L84 and 6.2L L87

Released 7/10/2018
5.3L L84 6.2L L87 Engine Exchange Program

Released 9/17/2020
Safety Recall - Tonneau Cover Retention

Released 6/24/2020
Safety Recall - Tonneau Cover Retention

TSB Description

Released 1/22/2020
NonCompliance Recall - Brake System Malfunction Warning

Released 12/16/2019
Emission Recall - Diesel Particulate Filter Regeneration Frequency

Released 10/9/2020
Warranty Administration - Customer Concern Not Duplicated (CCND) Labor Operation Numbers

Released 8/14/2020
Warranty Administration - General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only)

TSB Description

Released 7/29/2020
Intermittent Service Steering Column Lock message displayed with U0155 Set

Released 4/29/2020
Warranty Administration - General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only)

Released 4/14/2020
Unwanted Stability Activation and/or C0710

Released 4/6/2020
Various Vehicle Handling Concerns Suspension Noise or Damaged Suspension Components Due to Vehicle Modifications

Released 3/9/2020
Various Vehicle Handling Concerns Suspension Noise or Damaged Suspension Components Due to Vehicle Modifications

Released 3/9/2020
Tire Sidewall Irregularities

Released 2/26/2020
Warranty Administration - General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only)

Released 1/14/2020
Service Column Lock Message with DTC B144C SYM06 After a Remote Vehicle Start

Released 8/6/2019
Squeak and/or Clunking Noise from Rear of Vehicle

Released 6/25/2019
Clunking Noise from Rear of Vehicle (Re-torque Leaf Spring Bolts)

Released 6/19/2019
Warranty Administration - Warranty SPS Control Module Reprogramming

Released 6/6/2019
Service Column Lock Message with DTC B144C SYM06 After a Remote Vehicle Start

Released 5/9/2019
Information on Tire Radial Force Variation (RFV)

Released 2/28/2019
Clunk Noise at Full Steering Lock Turns after Installation of Accessory Lift Kit

Released 2/15/2019
GM of Canada New Vehicle Tire Warranty Program and GWM Transaction Submission Information

Released 2/7/2019
Information on Vibration Analysis and Diagnostic

Released 1/31/2019
Service Column Lock Message with DTC B144C SYM06 After a Remote Vehicle Start

Released 12/17/2018
GM TAC Support of Vehicle Vibration Complaints - U.S. and Canada Dealers Only

Released 12/13/2018
Aluminum Upper Control Arm Color Differences

Released 12/7/2018
Service Power Steering Message DTC C144B or Clunk Noise at Full Steering Lock Turns after Installation of Accessory Lift Kit

Released 12/5/2018
Warranty Administration - General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only)

Released 12/3/2018
Engineering Information – Reduced Steering Assist and/or Service Steering Message On Driver Information Center (DIC)

Released 10/26/2018
Steering Jerks Or Kicks Back / Reduced Power Steering Assist / Engine Stall / No Start / Service Stabilitrak / IPC / Radio / HVAC Goes Blank Various DTCs

Released 9/26/2018
Squeak, Rubbing and/or Grinding Type Noise Heard From Steering Wheel When Turning

Released 8/30/2018
Engineering Information – Reduced Steering Assist and/or Service Steering Message On Driver Information Center (DIC)

Released 9/25/2020
Radio Software Version V808 USB Update

Released 9/22/2020
Loss of Brake Assist, Various Messages Displayed in Driver Information Center (DIC), Brake Pedal Travel and Apply May Feel Different, One or More of the Following DTCs May be Set: P0606 with C0021, C05D2, C0595, C2A3B, C0024, C053D, P25A2

TSB Description

Released 9/18/2020
Instrument Panel Cluster (IPC) Gauges Inoperative, Numerous Driver information Center (DIC) Error Messages, No Brake or Electric Power Steering Assist, Transmission in Default Gear, No Reverse and/or Back Up Lights, No Daytime Running Lights (DRL), No Cru

Released 9/2/2020
Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information

Released 8/12/2020
Engineering Information – Check Trailer Message on Drivers Information Center (DIC) and/or F74, F82 Fuses Blown

Released 7/20/2020
Heated Seat Switch Indicators Inoperative or 110v Power Receptacle Switch Indicator Dimly Lit

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

Released 6/24/2020
Engine Control Module Calibration for T1 L3B Engine with DTC P26BB Set

Released 5/20/2020
MIL illuminated with DTC P1098 and/or P26BB

Released 4/9/2020
Warranty Administration - Battery Testing and Warranty Replacement Requirements (North America ONLY)

Released 3/30/2020
Diagnostic Tip: Oil Leak Repairs and Resealing of Composite Oil Pans and Use of Proper RTV Sealant and Surface Primer

Released 3/25/2020
Engineering Information – Check Trailer Message on Drivers Information Center (DIC) and/or F74, F82 Fuses Blown

Released 3/18/2020
Service 4wd message with DTC C15A9

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

Released 11/22/2019
Harsh 3-2 Downshift During Closed Throttle Coast Down When Coming to a Stop

Released 11/5/2019
J-35616-64B Or EL-35616-58 Terminal Test Probe Information/Repair

Released 10/23/2019
Radio Software Version V805 Over-the-Air Update

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 9/3/2019
Malfunction Indicator Lamp (MIL) Illuminated with DTC P1467 set

Released 9/3/2019
Malfunction Indicator Lamp (MIL) Illuminated with DTC P3075 Set

Released 9/3/2019
No Start Conditions Due to Dead Battery

Released 8/23/2019
Radio Displays Climate Off Message or HVAC Popup Displays Different Settings

Released 8/1/2019
Driver Information Center Welcome Logo Flickers When Entering Vehicle

Released 7/11/2019
2019 8L90 MQE Automatic Transmission Turbine And Stator Shaft Seal Installation Tools Availability

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 1/29/2019
Radio Software Version V509 Over-the-Air Update

Released 1/18/2019
Automatic Park Brake Feature in Trailer Hitch View Not Functioning

Released 1/10/2019
Hoot or Whistle Noise Heard at Highway Speeds

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 9/11/2018
Warranty Administration - Essential Tools that Include Consumable Parts (U.S. Only)

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