Get Free 2018 CHEVROLET TAHOE V8, 6.2L; OHV; 16V; DI TSBs

Released 7/24/2020
Creak Click Pop Crack Type Noise From Front Suspension/Frame Area While Making Turns

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

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 5/8/2020
Converting To Fleet Key Option RPO 6E2 or 6E8

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 4/20/2020
Installation Tip - Door Striker Cover Installation During PDI

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 3/31/2020
Itch Rattle Flutter Squeak Tick Chirp Type Noise from the Drivers Side A Pillar Area

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 3/19/2020
Second Row Seat Belt Wet And/Or Carpet Wet from the C-Pillar Area Rearward

Released 3/18/2020
Warranty Administration - Courtesy Transportation and Roadside Assistance Programs

Released 2/27/2020
Customer Satisfaction Program - Front Passenger Seat Cushion Frames with Incorrect or Missing Adjuster Stops

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

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 11/20/2019
Safety Recall - Unexpected Pull To One Side

Released 11/19/2019
Wax Coating on Frame Peeling, Metal Shows Corrosion/Rusting (U.S. and Canada Only)

Released 10/28/2019
Left Side Third Row Seat will not Power Fold/Unfold or Moves One Inch at a Time

Released 10/28/2019
Diagnostic Tip - Check and/or Service Trailer Brake System message DTC C1114

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

Released 10/15/2019
Diagnostic Tip - Liftglass inoperative

Released 9/26/2019
Hood Ajar Message

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 8/7/2019
Oily Substance on Windshield Leaking from Moisture Sensor

Released 7/9/2019
Service Front Camera / Service Lane Departure Warning / Service Lane Keep Assist Message with DTC B1008 SYM4B / IntelliBeam Headlight / Windshield Wind Rush Noise

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

Released 6/26/2019
Rear Body Fuse Block Loose Fuse Connection

Released 6/24/2019
Diagnostic Tip - IPC Gauges Inoperative or Fluctuate, No Crank, Start then Stall

Released 6/21/2019
Creak Noise Heard from the Quarter Lower Rear Trim Panel Area

Released 6/20/2019
Squeak Noise From the Vehicle Underbody

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

Released 6/14/2019
Service ABS / TCS / Power Steering and/or Suspension Message DTC U0077 U0121 U0126 U0131 U0139 U0151 U0401 U0415 U0428 (Circuit 5986)

Released 6/13/2019
Do Not Swap Modules in Vehicles with Global Electrical Systems

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

Released 6/10/2019
Information on Possible Carpet Color Mismatch

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

Released 5/13/2019
Diagnostic Tip - Liftgate Will Not Lock or May Open Unwanted / Vehicles Equipped With Passive Entry

Released 5/3/2019
Wind Whistle Noise at Highway Speeds from Left or Right Rear Quarter Glass Area

Released 5/1/2019
Squeak/Squawk Noise When Turning Steering Wheel

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

Released 4/18/2019
Uneven Front Brake Pad Wear

Released 4/15/2019
Front Seat Lateral Movement and/or Click Type Noise While Driving

Released 4/8/2019
Information on Rear Compartment Floor Stowage Compartment Cover Handle Availability as Service Part

Released 4/8/2019
Forward Collision/Active Safety System Inoperative, No Messages or Alerts, DTC’s B390A 45, B390A 58 and/or DTC B390A 67 are set

Released 4/2/2019
Do Not Swap Modules in Vehicles with Global Electrical Systems

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
Information on Proper Use of Floor Mats

Released 3/22/2019
Engineering Information (EI) Process

Released 3/22/2019
Diagnostic Tips - Unwanted Content Theft Alarm Sounds

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

Released 3/18/2019
Cluster DIC Display Dims or Fades with High Temperature (Normal Operation)

Released 3/14/2019
Poor Remote Keyless Entry (RKE) Fob or Passive Unlocking Range

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 3/4/2019
Second Row Seat Belt Wet And/Or Carpet Wet from the C-Pillar Area Rearward

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

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

Released 2/14/2019
Wax Coating on Frame Peeling, Metal Shows Corrosion/Rusting (U.S. and Canada Only)

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

Released 2/8/2019
No Crank / Start then Immediate Stall / SES MIL / Service 4WD / Relay Clicking / Rearview Camera Inop / DTC (Inspect Ignition 1 voltage)

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 1/24/2019
Information on Head-Up Display on Model Year 2017 and Newer Vehicles - Rotational Feature that Allows for Adjusting of Angle of HUD Image

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

Released 1/18/2019
Normal Characteristic - Hard or Unable to Rotate Ignition Key from the Off Position

Released 1/17/2019
Itch Rattle Flutter Squeak Tick Chirp Type Noise from the Drivers Side A Pillar Area

Released 1/14/2019
Warranty Administration - Required Operating Procedures (U.S. Only)

Released 1/9/2019
Squeak or Creak from Right Rear of Vehicle While Driving

Released 1/8/2019
Disabling Auto Door Locks

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

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 12/17/2018
Information On Power Liftgate Assist Actuator Replacement

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

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
Rattle Noise from Second Row Seat and/or Seat Back Will Not Fold to Upright Position

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 11/27/2018
Programming IPC Engine Hours into a Replacement IPC

Released 11/21/2018
Diagnosing Fishbite Chuggle Misfire Feeling Or Shudder Vibration, With A Light Tip In

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
SES Traction Control lamp on and Engine Runs Rough with DTC P0300

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

Released 11/19/2018
Ticking Noise Inside Vehicle While Driving

Released 11/15/2018
Diagnostic Tip - Service Driver Assist Message

Released 11/15/2018
10L90 10L80 10 Speed Automatic Transmission Restriction

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

Released 11/14/2018
Wind Whistle Noise At Highway Speeds From Left Or Right Rear Quarter Glass Area

Released 11/14/2018
Diagnostic Tip - Memory Features for Driver 3 Or 4

Released 11/13/2018
Diagnostic Tip: Whistle Noise from Inside Vehicle

Released 11/7/2018
Engineering Information A/C Not Cool Due to No Pressure Build

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

Released 11/2/2018
Add-On Equipment Inoperative, Sulfur/Acid Smell During Vehicle Operation

Released 11/2/2018
Diagnostic Tips For DTCs P0601-P0604, P0606, P062B, P062F, P0630, P16F3, or P262B

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

Released 10/29/2018
Click / Rattle / Tick / Pop / Creak / or Squeak Noise from Dash Area

Released 10/29/2018
Ticking Rattle Or Buzz Noise Heard The Best In The Passenger Compartment

Released 10/29/2018
Oily Substance on Windshield Leaking from Moisture Sensor

Released 10/29/2018
Engine Misfire May Be Due To loose Spark Plug Wires

Released 10/29/2018
Left Side Third Row Seat will not Power Fold/Unfold or Moves One Inch at a Time

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

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 10/25/2018
Information On Shock Replacement for Leaking, Suspension Noise, Ride Performance, Uneven Ride/Trim Height, Service Suspension System or Service Ride Control Displayed on the Drivers Information Center (DIC)

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 10/11/2018
Service Trailer Brake Message With DTCs C1112 C1113 C1114 C111B U1556 and/or U1505

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

Released 10/8/2018
PAC Courtesy Transportation Assistance Program

Released 10/8/2018
Intermittent service 4wd messages displayed in the DIC

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

Released 10/3/2018
Diagnostic Tip: Fuel Injected Gasoline Engines Possible No Start Extended Crank or Fuel Pressure Related DTCs

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

Released 10/2/2018
Malfunction Indicator Lamp (MIL) Illuminated - DTCs P0742, P0776, P0796, P0965, P0969, P2714, P2715, P2719 and/or P2762 Set and No Forward or Reverse Gears, Harsh Shifting, Stalling, Hesitation

Released 10/2/2018
Tick Noise Inside Vehicle While Driving

Released 10/1/2018
Diagnostic Tip - Liftglass inoperative

Released 9/28/2018
Diagnostic Aids For P0172 and P0175

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

Released 9/27/2018
SUV Misfiring With A P0282 With P0300 set

Released 9/27/2018
10L90 10L80 10 Speed Automatic Transmission Restriction

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

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 9/26/2018
Installation Tip - Door Striker Cover Installation During PDI

Released 9/26/2018
Power Lift-gate Erratic Operation will not Power Close DTC B153A and/or Motor Running but Does Not Move

Released 9/24/2018
Rubbing or Rattle Noise from the Front Suspension

Released 9/24/2018
Hood Ajar Message

Released 9/13/2018
Diagnostic Tip - Additional Brake Pedal Effort

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

Released 9/11/2018
Information on Surge, Chuggle, Misfire, Fishbite, Shudder Feel During Driving Maneuvers

Released 9/11/2018
SES Lamp With Camshaft or Oil Pump System Related DTCs

Released 9/10/2018
Normal Characteristic - Engine Stops Running after Extended idle

Released 9/10/2018
Adding Integrated Trailer Brake Controller RPO JL1

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 8/27/2018
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
Hem Flange Rust Repair

Released 8/22/2018
Radio Control (ICS) Display Does Not Remain Off at Times after it Has Been Turned Off in the Radio Settings Menu

Released 8/22/2018
Instrument Cluster Goes Blank or Tell Tale Indicators Remain On

Released 8/22/2018
Engineering Information A/C Not Cool Due to No Pressure Build

Released 8/22/2018
Information on Paint Stain Under Protective Shipping Film

Released 8/22/2018
Audio Volume Stuck High or Low with No DTCs

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

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

Released 8/22/2018
Damaged, Disassembled or Improperly Packaged Turbochargers Returned to Warranty Part Center

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

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

Released 8/22/2018
Wireless Charging System Check/Phone Compatibility/Retrofit Kit Available

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

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

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
Service 4wd Message With DTC C0392 or C0396 Stored In TCCM

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
Ticking, Rattle and/or Buzzing Noise Heard from Inside Passenger Compartment, Possible Fuel Leak

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

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 7/20/2018
10L90 10L80 10 Speed Automatic Transmission Restriction Program July 20, 2018

Released 7/13/2018
Service Stabilitrak Message Displayed, DTC C0196-5A Set in the Electronic Brake Control Module (EBCM)

Released 7/10/2018
Carpet Pulling Out From Under Front and/or Rear Side Door Sill Garnish Molding

Released 7/9/2018
Diagnostic Tip Heated Seats Inoperative DTC U1524

Released 7/6/2018
Diagnostic Aid: Part Identification For Next Generation Infotainment Components And Correct Labor Codes

Released 7/6/2018
Grind/Ratchet Noise Occurs When Shifting Into Park While In 4 Wheel Drive Low

Released 7/5/2018
Service Front Camera / Service Lane Departure Warning / Service Lane Keep Assist Message with DTC B1008 SYM4B / IntelliBeam Headlight / Windshield Wind Rush Noise

Released 7/3/2018
Intermittent Sunroof Operation, Bind, Noise, Auto-reverse, and/or Water Leaks

Released 6/27/2018
Oil Pressure Gauge Fluctuation After Startup and Over 3700 RPM

Released 6/26/2018
Diagnostic Tip - Outside Temperature Will Not Update / Inaccurate / Poor Hvac Performance

Released 6/26/2018
Wind Buffeting Drone Type Noise and/or Water Leak

Released 6/26/2018
Information on Front Floor Console Armrest Availability as Service Part

Released 6/22/2018
Dealer Responsibility for Cargo Carrying Capacity Labeling

Released 6/21/2018
Information on New Refrigerant (R1234yf) for A/C Service

Released 6/20/2018
2017 2019 10L80 10L90 Automatic Transmission Torque Converter Restriction

Released 6/20/2018
AC Blows Warm or Poor Performance

Released 6/19/2018
Wind Buffeting Drone Type Noise and/or Body Pressure Booming

Released 5/30/2018
Front Row Seat Back Appears To Lean Outward (Seat Cover Improperly Installed)

Released 5/30/2018
Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information

Released 5/29/2018
Customer Satisfaction - Spare Tire Does Not Fit Over Performance Front Brake Kit

Released 5/25/2018
Information on New Refrigerant (R1234yf) for A/C Service

Released 5/24/2018
Unwanted or False Alerts / Park Assist off Message / Service Park Assist Message at Start up with DTC U0159

Released 5/23/2018
Diagnostic Tip: Apple Device Connectivity Issues due to USB Cord Concern

Released 5/22/2018
Diagnostic Tip - Check and/or Service Trailer Brake System message DTC C1114

Released 5/22/2018
Tick Noise Inside Vehicle While Driving

Released 5/21/2018
Various Engine Noises During Cold Start and Warm Engine Operation

Released 5/18/2018
Service Update - 10 Speed Transmission Delayed Shifting

Released 5/17/2018
Information On Competition Mode and Performance Mode for Police Tahoe Vehicles

Released 5/17/2018
SES Lamp P050D P0300 Setting On A Cold Start And/Or a Run Rough Warm with No codes

Released 5/15/2018
Information on New Refrigerant (R-1234yf) for A/C Service

Released 5/14/2018
Diagnostic Tip: Loss of HMI Communication While Viewing HMI Data List with GDS2 Scan Tool

Released 5/14/2018
Warranty Administration - Required Operating Procedures (U.S. Only)

Released 5/11/2018
During Start up Forward Collision System Reduced Displayed on DIC

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 5/2/2018
A/C Not Cold / Freon Leak / Low Refrigerant Charge

Released 4/27/2018
Phone Charging Cycles On and Off When Connected to the Single Port USB Hub

Released 4/27/2018
Service Adaptive Cruise With DTC C018C SYM3A After Replacing K14 Distance Sensing Cruise Control Module

Released 4/26/2018
Audio Muting When Listening to Some Sirius XM Channels Due to Interference in Some Geographic Locations

Released 4/26/2018
Original Equipment Batteries Part Number and ACDelco Replacement Battery Approved Warranty Part Numbers

Released 4/25/2018
Fuel Injector Seal Replacement for Fuel Odor and/or Extended Cranking

Released 4/23/2018
Action Required Steering Assist is Reduced Drive with Care Or Service Power Steering Message And Or Current Power Steering Control Module DTCs

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 4/11/2018
Remote Start Inoperative / Power Lift-Gate Inoperative / Start And Stall / No Start / Blower Motor Stays On With Ignition Off / SES MIL / DTC P2537 U18A2 U0074 U0137 P129D

Released 4/9/2018
10L90 10L80 10 Speed Automatic Transmission Exchange Program

Released 4/9/2018
TAC Part Restriction for US Dealers - Navigation Radio, Radio, Human Machine Interface, Radio Display, and Radio Control/Integrated Center Stack

Released 4/9/2018
Information on Water or Ethylene Glycol in Transmission Fluid

Released 4/6/2018
Underbody Component Corrosion

Released 4/4/2018
Wax Coating on Frame Peeling, Metal Shows Corrosion/Rusting (U.S. and Canada Only)

Released 4/4/2018
DRLs or Auto Headlights Will Not Disable with Headlamp Switch

Released 3/28/2018
Oil Pressure Gauge Fluctuation After Startup and Over 3700 RPM

Released 3/27/2018
Diagnostic Tip - IPC Gauges Inoperative Or Fluctuate, No Crank, Start then Stall

Released 3/27/2018
Extended Crank Cold With DI (Direct Injected) Engines

Released 3/27/2018
Unwanted Or False Alerts / Park Assist Off Message / Service Park Assist Message At Start Up With DTC U0159

Released 3/27/2018
Speedometer Needle Accuracy Information

Released 3/26/2018
GM of Canada New Vehicle Tire Warranty Program and GWM Transaction Submission Information

Released 3/26/2018
Remove Tinnerman Push Nuts Prior To Installation Or During Service Of Accessory/Production 22

Released 3/26/2018
Check Trailer Wiring Message and/or Service Trailer Brake With DTC C1114 (Check Trailer Ground and/or 7-way Connector)

Released 3/16/2018
Eliminating Unwanted Odors in Vehicles

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

Released 3/9/2018
Drivers Side Front Door Glass Does Not Move Up or Down and/or Inoperative or Jerky/Uneven Motion

Released 3/8/2018
Repair Guidelines for Engine Component Wear

Released 3/7/2018
New Vehicle Pre-Delivery Inspection (PDI) - Delivering Quality Vehicles and Generating Higher CSi Scores

Released 3/6/2018
When Shifting to Reverse and/or to Drive (Performing Garage Shifts) the Transmission May Experience a Delayed Engagement When Performing the Garage Shift

Released 3/1/2018
Procedure for Installation of an Aftermarket Trailer Brake Controller Or In Lieu Of Factory Trailer Brake Controller

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

Released 2/14/2018
Squeak/Squeal Type Noise Heard at Low Speeds During Brake Apply

Released 2/14/2018
OnStar, XM, GPS or Antenna Malfunction -- May Set DTC B2462, B2470 or B125C - and/or Water Leak on Headliner at Sun Visor or Overhead Console Areas, Possible Battery Drain Concern

Released 2/12/2018
Rough, Uneven or Irregular Horizontal Seam on Liftgate

Released 2/7/2018
Personalization Selections Intermittently Missing from Comfort and Convenience Menu

Released 2/5/2018
Malfunction Indicator Lamp Illuminated DTC P2101 Set

Released 2/2/2018
Do Not Swap Modules in Vehicles With Global Electrical Systems

Released 2/1/2018
Warranty Administration - Battery Testing and Warranty Replacement Requirements (North America ONLY)

Released 1/17/2018
Warranty Administration - Warranty Claims Submission - Outside Rear View Mirrors

Released 12/7/2017
Rear Body Fuse Block Loose Fuse Connection

Released 12/7/2017
Disabling Auto Door Locks

Released 12/7/2017
Dealer Responsibility for Cargo Carrying Capacity Labeling

Released 12/6/2017
Converting To Fleet Key Option RPO 6E2 or 6E8

Released 12/6/2017
Normal Characteristic - Clock Does Not Update or Slow to Update

Released 12/5/2017
Original Equipment Batteries Part Number and ACDelco Replacement Battery Approved Warranty Part Numbers

Released 11/28/2017
Intermittent Radio Blank Display With or Without Audio and MOST BUS Diagnostic Aid

Released 11/27/2017
Creak Click Pop Crack Type Noise From Front Suspension/Frame Area While Making Turns

Released 11/22/2017
Rear Camera Screen Bright At Night

Released 11/20/2017
Personalization Selections Intermittently Missing from Comfort and Convenience Menu

Released 11/17/2017
Intermittent Malfunction Indicator Lamp (MIL) Illuminated, DTC P2138 with Reduced Engine Power (Repair Instrument Panel (IP) to Body Harness Connector)

Released 11/17/2017
Memory Mirror Positions Lost and/or Reverse Tilt is Inoperative

Released 11/17/2017
Information on COAX Repair Kit Availability

Released 11/9/2017
Compatibility of K2xx 22” Accessory Wheels and Tires Through GM Accessories -- Use of Altered Vehicle Certification Label

Released 11/7/2017
Diagnostic Tip - Memory Features For Driver 3 Or 4

Released 11/7/2017
Wind Whistle Noise At Highway Speeds From Left Or Right Rear Quarter Glass Area

Released 11/7/2017
Verifying Odometer Accuracy

Released 10/6/2017
Diagnostic Tip - Diagnosing Vehicles with OnStar DTC B101D -37

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

Released 9/25/2017
Diagnostic Tip - Service Trailer Brake Message with DTC C111B C1112 C1113 C1114

Released 9/25/2017
Diagnostic Tip - Service Driver Assist Message

Released 9/25/2017
Installation Tip - Door Striker Cover Installation During PDI

Released 8/30/2017
Aftermarket ALDL or DLC Interface Devices Causing Multiple Issues

Released 8/23/2017
Paint-less Dent Repair Process

Released 8/9/2017
Information for the Migration of the SPID Label Content into the Certification Label as 2D Bar Code

Released 8/2/2017
Diagnostic Tip: Loss of HMI Communication While Viewing HMI Data List with GDS2 Scan Tool

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

Released 7/25/2017
Information on Changes to SPS that Warn/Prohibit Reprogramming a Module With Its Current Calibration

Released 7/17/2017
Oily Substance On Windshield Leaking From Moisture Sensor

Released 6/28/2017
Poor, Weak and/or Lazy Seat Belt Retraction on Driver and Passenger Seat Belts

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

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

Released 3/30/2020
Adding Integrated Trailer Brake Controller RPO JL1

Released 3/30/2020
Service ABS / TCS / Power Steering and/or Suspension Message DTC U0077 U0121 U0126 U0131 U0139 U0151 U0401 U0415 U0428 (Circuit 5986)

Released 3/23/2020
Diagnostic Tip - Service Trailer Brake Message With DTC U0415

Released 3/20/2020
Diagnostic Tip - Check and/or Service Trailer Brake System message DTC C1114

Released 2/19/2020
SES MIL / Service Suspension System / ABS MIL / No Crank / Misfire / A/C Inoperative (Inspect Engine Harness Chaffing At Vacuum Pump Pulley)

Released 1/6/2020
Safety Recall - Unexpected Pull To One Side

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

Released 11/20/2019
Safety Recall - Unexpected Pull To One Side

Released 10/28/2019
Diagnostic Tip - Check and/or Service Trailer Brake System message DTC C1114

Released 10/24/2019
Safety Recall - Unexpected Pull To One Side

Released 10/11/2019
Special Coverage - Brake Assist Decreased Due to Vacuum Loss

Released 9/20/2019
Safety Recall - Increased Brake Pedal Effort

Released 9/19/2019
Customer Satisfaction Program - Hard Pedal at Low Speed Stops

Released 9/6/2019
Safety Recall - Increased Brake Pedal Effort

Released 8/12/2019
Customer Satisfaction Program - Hard Pedal at Low Speed Stops

Released 6/20/2019
Squeak Noise From the Vehicle Underbody

Released 6/14/2019
Service ABS / TCS / Power Steering and/or Suspension Message DTC U0077 U0121 U0126 U0131 U0139 U0151 U0401 U0415 U0428 (Circuit 5986)

Released 6/4/2019
Normal Mode Powertrain Grade Braking Feature

Released 5/30/2019
Pulsing, Grinding, Scraping Noise from Brakes, Uneven Front Brake Pad Wear

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 4/18/2019
Uneven Front Brake Pad Wear

Released 4/15/2019
Check Trailer Wiring Message and/or Service Trailer Brake with DTC C1114 (Check Trailer Ground and/or 7-way Connector)

Released 2/4/2019
Uneven Front Brake Pad Wear

Released 2/4/2019
SES MIL / Service Suspension System / ABS MIL / No Crank / Misfire / A/C Inoperative (Inspect Engine Harness Chaffing At Vacuum Pump Pulley)

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 9/13/2018
Diagnostic Tip - Additional Brake Pedal Effort

Released 3/27/2018
Unwanted Or False Alerts / Park Assist Off Message / Service Park Assist Message At Start Up With DTC U0159

Released 3/1/2018
Procedure for Installation of an Aftermarket Trailer Brake Controller Or In Lieu Of Factory Trailer Brake Controller

Released 2/14/2018
Squeak/Squeal Type Noise Heard at Low Speeds During Brake Apply

Released 11/22/2017
Unwanted Grade Braking, Low Power, and/or Transmission Busy Shifting / P057B, P057C, and/or P057D

Released 11/13/2017
Normal Mode Powertrain Grade Braking Feature

Released 9/25/2017
Diagnostic Tip - Service Trailer Brake Message with DTC C111B C1112 C1113 C1114

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

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 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 6/29/2020
Check Trailer Wiring Message and/or Service Trailer Brake with DTC C1114 (Check Trailer Ground and/or 7-way Connector)

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

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

Released 6/22/2020
No Crank No Start

Released 6/22/2020
Proactive Alert Identifier SAC004

Released 6/12/2020
SIR MIL With DTCs B0012 B0013 B0014 B0015 B0019 B0020 B0021 and/or B0022 (Aftermarket USB/Phone Charger)

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

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 5/8/2020
Converting To Fleet Key Option RPO 6E2 or 6E8

Released 4/28/2020
Cluster DIC Display Dims or Fades with High Temperature (Normal Operation)

Released 4/27/2020
Speedometer Needle Accuracy Information

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

Released 4/2/2020
Diagnostic Tips - Unwanted Content Theft Alarm Sounds

Released 3/20/2020
Diagnostic Tip - Check and/or Service Trailer Brake System message DTC C1114

Released 3/11/2020
Diagnostic Tip - IPC Gauges Inoperative or Fluctuate, No Crank, Start then Stall

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

Released 11/7/2019
Diagnostic Tips Ambient Temperature Display / Information (Topology)

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

Released 10/28/2019
Left Side Third Row Seat will not Power Fold/Unfold or Moves One Inch at a Time

Released 10/28/2019
Diagnostic Tip - Check and/or Service Trailer Brake System message DTC C1114

Released 10/28/2019
Sunroof, Rear Sliding Window, And/Or Wireless Charging Inoperative - Fuse F2DL And/Or F8DL Open

Released 10/25/2019
RKE / Passive Entry And Start / No Audio / SWC / Touch Screen / Display Blank/ Rear Wiper And Rear Power Windows Inoperative / Dead Battery / Service Tire Pressure System / SES MIL DTC B3101 B144C C0710 C0544 P0106 P0107 P2122 P2123 P2127 P2128 P2138 U002

Released 10/25/2019
RKE / Passive Entry And Start / No Audio / SWC / Touch Screen / Display Blank/ Rear Wiper And Rear Power Windows Inoperative / Dead Battery / Service Tire Pressure System / SES MIL DTC B3101 B144C C0710 C0544 P0106 P0107 P2122 P2123 P2127 P2128 P2138 U002

Released 10/15/2019
Diagnostic Tip - Liftglass inoperative

Released 9/26/2019
Hood Ajar Message

Released 9/25/2019
Do Not Swap Modules in Vehicles with Global Electrical Systems

Released 8/19/2019
GM Wiring Repair Strategy Information

Released 8/8/2019
Service Adaptive Cruise with DTC C018C SYM3A after Replacing K14 Distance Sensing Cruise Control Module

Released 8/6/2019
Add-On Equipment Inoperative, Melted Terminals on Auxiliary Relay, New Auxiliary Battery Relay for Police Tahoe Vehicles

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 7/9/2019
Service Front Camera / Service Lane Departure Warning / Service Lane Keep Assist Message with DTC B1008 SYM4B / IntelliBeam Headlight / Windshield Wind Rush Noise

Released 6/24/2019
Diagnostic Tip - IPC Gauges Inoperative or Fluctuate, No Crank, Start then Stall

Released 6/24/2019
Diagnostic Tip For 12 Volt Battery Going Dead Overnight

Released 6/5/2019
Service Adaptive Cruise With DTC C018C SYM3A After Replacing K14 Distance Sensing Cruise Control Module

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 5/28/2019
SES Traction Control lamp on and Engine Runs Rough with DTC P0300

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

Released 5/3/2019
Wind Whistle Noise at Highway Speeds from Left or Right Rear Quarter Glass Area

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

Released 4/15/2019
Check Trailer Wiring Message and/or Service Trailer Brake with DTC C1114 (Check Trailer Ground and/or 7-way Connector)

Released 4/8/2019
Forward Collision/Active Safety System Inoperative, No Messages or Alerts, DTC’s B390A 45, B390A 58 and/or DTC B390A 67 are set

Released 4/2/2019
Do Not Swap Modules in Vehicles with Global Electrical Systems

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

Released 3/22/2019
Diagnostic Tips - Unwanted Content Theft Alarm Sounds

Released 2/25/2019
Diagnostic Tip: Alarm Sounds While Learning New Key Fobs Transmitters After They Had Previously Been Lost

Released 2/18/2019
Procedure for Installation of an Aftermarket Trailer Brake Controller or In Lieu of Factory Trailer Brake Controller

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 2/8/2019
No Crank / Start then Immediate Stall / SES MIL / Service 4WD / Relay Clicking / Rearview Camera Inop / DTC (Inspect Ignition 1 voltage)

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

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
Warranty Administration - Revised Wiring Repair Labor Operations and Required Additional Information

Released 1/8/2019
Disabling Auto Door Locks

Released 1/4/2019
Various Radio Concerns Including No Audio Except Chime / Distorted Or Inoperative Rear Camera / No Audio Displayed On Audio Page In DIC

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

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
Rattle Noise from Second Row Seat and/or Seat Back Will Not Fold to Upright Position

Released 11/27/2018
Programming IPC Engine Hours into a Replacement IPC

Released 11/20/2018
Requirements For OnStar Over The Air Programming And Updates

Released 11/20/2018
SES Traction Control lamp on and Engine Runs Rough with DTC P0300

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

Released 11/19/2018
Ticking Noise Inside Vehicle While Driving

Released 11/15/2018
Diagnostic Tip - Service Driver Assist Message

Released 11/14/2018
Diagnostic Tip - Memory Features for Driver 3 Or 4

Released 11/2/2018
Diagnostic Tips For DTCs P0601-P0604, P0606, P062B, P062F, P0630, P16F3, or P262B

Released 10/29/2018
Ticking Rattle Or Buzz Noise Heard The Best In The Passenger Compartment

Released 10/29/2018
Engine Misfire May Be Due To loose Spark Plug Wires

Released 10/29/2018
Left Side Third Row Seat will not Power Fold/Unfold or Moves One Inch at a Time

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

Released 10/11/2018
Service Trailer Brake Message With DTCs C1112 C1113 C1114 C111B U1556 and/or U1505

Released 10/8/2018
Intermittent service 4wd messages displayed in the DIC

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

Released 10/2/2018
Malfunction Indicator Lamp (MIL) Illuminated - DTCs P0742, P0776, P0796, P0965, P0969, P2714, P2715, P2719 and/or P2762 Set and No Forward or Reverse Gears, Harsh Shifting, Stalling, Hesitation

Released 10/1/2018
Diagnostic Tip - Liftglass inoperative

Released 9/28/2018
Diagnostic Aids For P0172 and P0175

Released 9/27/2018
SUV Misfiring With A P0282 With P0300 set

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

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 9/26/2018
Installation Tip - Door Striker Cover Installation During PDI

Released 9/26/2018
Power Lift-gate Erratic Operation will not Power Close DTC B153A and/or Motor Running but Does Not Move

Released 9/11/2018
SES Lamp With Camshaft or Oil Pump System Related DTCs

Released 9/10/2018
Normal Characteristic - Engine Stops Running after Extended idle

Released 9/10/2018
Adding Integrated Trailer Brake Controller RPO JL1

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
Radio Control (ICS) Display Does Not Remain Off at Times after it Has Been Turned Off in the Radio Settings Menu

Released 8/22/2018
Instrument Cluster Goes Blank or Tell Tale Indicators Remain On

Released 8/22/2018
Audio Volume Stuck High or Low with No DTCs

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

Released 8/22/2018
Wireless Charging System Check/Phone Compatibility/Retrofit Kit Available

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

Released 8/14/2018
Service 4wd Message With DTC C0392 or C0396 Stored In TCCM

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

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 7/13/2018
Service Stabilitrak Message Displayed, DTC C0196-5A Set in the Electronic Brake Control Module (EBCM)

Released 7/5/2018
Service Front Camera / Service Lane Departure Warning / Service Lane Keep Assist Message with DTC B1008 SYM4B / IntelliBeam Headlight / Windshield Wind Rush Noise

Released 7/3/2018
Intermittent Sunroof Operation, Bind, Noise, Auto-reverse, and/or Water Leaks

Released 6/27/2018
Oil Pressure Gauge Fluctuation After Startup and Over 3700 RPM

Released 5/24/2018
Unwanted or False Alerts / Park Assist off Message / Service Park Assist Message at Start up with DTC U0159

Released 5/23/2018
Diagnostic Tip: Apple Device Connectivity Issues due to USB Cord Concern

Released 5/22/2018
Diagnostic Tip - Check and/or Service Trailer Brake System message DTC C1114

Released 5/17/2018
SES Lamp P050D P0300 Setting On A Cold Start And/Or a Run Rough Warm with No codes

Released 5/11/2018
During Start up Forward Collision System Reduced Displayed on DIC

Released 4/27/2018
Phone Charging Cycles On and Off When Connected to the Single Port USB Hub

Released 4/27/2018
Service Adaptive Cruise With DTC C018C SYM3A After Replacing K14 Distance Sensing Cruise Control Module

Released 4/26/2018
Audio Muting When Listening to Some Sirius XM Channels Due to Interference in Some Geographic Locations

Released 4/26/2018
Original Equipment Batteries Part Number and ACDelco Replacement Battery Approved Warranty Part Numbers

Released 4/23/2018
Action Required Steering Assist is Reduced Drive with Care Or Service Power Steering Message And Or Current Power Steering Control Module DTCs

Released 4/20/2018
Accessory Power Outlet and Trailer Lighting Fuse Replacement Labor Operation 5430130 Fuse Replacement

Released 4/11/2018
Remote Start Inoperative / Power Lift-Gate Inoperative / Start And Stall / No Start / Blower Motor Stays On With Ignition Off / SES MIL / DTC P2537 U18A2 U0074 U0137 P129D

Released 4/4/2018
DRLs or Auto Headlights Will Not Disable with Headlamp Switch

Released 3/28/2018
Oil Pressure Gauge Fluctuation After Startup and Over 3700 RPM

Released 3/27/2018
Diagnostic Tip - IPC Gauges Inoperative Or Fluctuate, No Crank, Start then Stall

Released 3/27/2018
Extended Crank Cold With DI (Direct Injected) Engines

Released 3/27/2018
Unwanted Or False Alerts / Park Assist Off Message / Service Park Assist Message At Start Up With DTC U0159

Released 3/27/2018
Speedometer Needle Accuracy Information

Released 3/26/2018
Check Trailer Wiring Message and/or Service Trailer Brake With DTC C1114 (Check Trailer Ground and/or 7-way Connector)

Released 3/15/2018
No Crank / Start Then Immediate Stall / SES MIL / Service 4WD / Relay Clicking / Rearview Camera Inop / DTC (Inspect Ignition 1 voltage)

Released 3/9/2018
Drivers Side Front Door Glass Does Not Move Up or Down and/or Inoperative or Jerky/Uneven Motion

Released 3/7/2018
New Vehicle Pre-Delivery Inspection (PDI) - Delivering Quality Vehicles and Generating Higher CSi Scores

Released 3/1/2018
Diagnostic Tip: Alarm Sounds While Learning New Key Fobs Transmitters After They Had Previously Been Lost

Released 3/1/2018
Procedure for Installation of an Aftermarket Trailer Brake Controller Or In Lieu Of Factory Trailer Brake Controller

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

Released 2/2/2018
SES Lamp With Camshaft or Oil Pump System Related DTCs

Released 2/1/2018
Warranty Administration - Battery Testing and Warranty Replacement Requirements (North America ONLY)

Released 1/31/2018
Original Equipment Batteries Part Number and ACDelco Replacement Battery Approved Warranty Part Numbers

Released 12/7/2017
Rear Body Fuse Block Loose Fuse Connection

Released 12/7/2017
Disabling Auto Door Locks

Released 12/7/2017
Cold Weather and Long Stand Time Battery Maintenance and Testing Tips

Released 12/7/2017
Upfitter Configurable Auxiliary Circuits (Police and Special Service Vehicles)

Released 12/6/2017
Normal Characteristic - Clock Does Not Update or Slow to Update

Released 12/1/2017
Original Equipment Batteries Part Number and ACDelco Replacement Battery Approved Warranty Part Numbers

Released 11/28/2017
Diagnostic Tip for 3.5 mm Audio Jack for USB Does Not Operate After Replacement of Receptacle for Audio Player and USB

Released 11/20/2017
Personalization Selections Intermittently Missing from Comfort and Convenience Menu

Released 11/17/2017
Memory Mirror Positions Lost and/or Reverse Tilt is Inoperative

Released 11/17/2017
Information on COAX Repair Kit Availability

Released 11/16/2017
Information On Parasitic Losses in Transport Mode During Transportation to Dealer, No Crank, No Start

Released 11/7/2017
Diagnostic Tips - Unwanted Content Theft Alarm Sounds

Released 11/7/2017
Diagnostic Tip - Memory Features For Driver 3 Or 4

Released 11/7/2017
Verifying Odometer Accuracy

Released 10/6/2017
Diagnostic Tip - Diagnosing Vehicles with OnStar DTC B101D -37

Released 10/3/2017
Original Equipment Batteries Part Number and ACDelco Replacement Battery Approved Warranty Part Numbers

Released 9/25/2017
Diagnostic Tip - Service Trailer Brake Message with DTC C111B C1112 C1113 C1114

Released 9/5/2017
Updated Warranty and Policy Exchange Program for Electronic Products (U.S. and Canada)

Released 8/30/2017
Aftermarket ALDL or DLC Interface Devices Causing Multiple Issues

Released 8/2/2017
Diagnostic Tip: Loss of HMI Communication While Viewing HMI Data List with GDS2 Scan Tool

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

Released 7/25/2017
Transport Mode On Message Displayed in Driver Information Center (DIC) and/or Battery Light is Flashing (Follow Procedure as Outlined Below)

Released 6/28/2017
Poor, Weak and/or Lazy Seat Belt Retraction on Driver and Passenger Seat Belts

Released 9/28/2018
Diagnostic Aids For P0172 and P0175

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

Released 3/7/2018
New Vehicle Pre-Delivery Inspection (PDI) - Delivering Quality Vehicles and Generating Higher CSi Scores

Released 2/2/2018
Do Not Swap Modules in Vehicles With Global Electrical Systems

Released 8/16/2017
Diagnostic tips for SES light with DTCs P2635, U0074 and/or U18A2 set

Released 7/25/2017
Information on Changes to SPS that Warn/Prohibit Reprogramming a Module With Its Current Calibration

Released 3/29/2019
Information on Changes in Exhaust Tone for Active Fuel Management Engines When in Three or Four Cylinder Mode

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

Released 3/5/2019
Engine Misfire/Tick Noise, Malfunction Indicator Lamp (MIL) Illuminated - DTC P0300 Set

Released 2/15/2018
Identifying Non-GM (Aftermarket) Engine Calibrations for Gasoline Engines Using Tech 2 or GDS 2 (U.S. and Canada)

Released 1/31/2018
Information on Close-Coupled Converter and Engine Replacement

Released 8/31/2017
Intake Manifold Inspection/Replacement After Severe Internal Engine Damage

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

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

Released 7/31/2019
Information On AFM DFM Usage

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 6/17/2019
Diagnostic Information For DTC P2635 With P018B

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

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

Released 3/6/2019
Diagnostic tips for SES light with DTCs P2635, U0074 and/or U18A2 set

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

Released 1/18/2019
Normal Characteristic - Hard or Unable to Rotate Ignition Key from the Off Position

Released 1/2/2019
Ticking Rattle Or Buzz Noise Heard The Best In The Passenger Compartment

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 7/25/2018
Identifying Non-GM (Aftermarket) Engine Calibrations for Gasoline Engines Using Tech 2 or GDS 2 (U.S. and Canada)

Released 4/25/2018
Fuel Injector Seal Replacement for Fuel Odor and/or Extended Cranking

Released 3/15/2018
No Crank / Start Then Immediate Stall / SES MIL / Service 4WD / Relay Clicking / Rearview Camera Inop / DTC (Inspect Ignition 1 voltage)

Released 2/27/2018
Information on Vehicles Sitting Outside on Dealer Lots for Extended Periods of Time with Hard Start or Crank/No Start Condition

Released 2/8/2018
Ticking Rattle Or Buzz Noise Heard The Best In The Passenger Compartment

Released 12/6/2017
Converting To Fleet Key Option RPO 6E2 or 6E8

Released 11/22/2017
Automatic Transmission Shift and Engine Driveability Concerns and/or MIL ON Due to Aftermarket Oil Bath Type Air Filter Use

Released 10/16/2017
Ticking Rattle Or Buzz Noise Heard The Best In The Passenger Compartment

Released 8/16/2017
Diagnostic tips for SES light with DTCs P2635, U0074 and/or U18A2 set

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

Released 3/11/2020
Diagnostic Tip - IPC Gauges Inoperative or Fluctuate, No Crank, Start then Stall

Released 6/24/2019
Diagnostic Tip - IPC Gauges Inoperative or Fluctuate, No Crank, Start then Stall

Released 6/13/2019
Do Not Swap Modules in Vehicles with Global Electrical Systems

Released 4/2/2019
Do Not Swap Modules in Vehicles with Global Electrical Systems

Released 2/4/2019
SES MIL / Service Suspension System / ABS MIL / No Crank / Misfire / A/C Inoperative (Inspect Engine Harness Chaffing At Vacuum Pump Pulley)

Released 11/7/2018
Engineering Information A/C Not Cool Due to No Pressure Build

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
Engineering Information A/C Not Cool Due to No Pressure Build

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

Released 6/26/2018
Diagnostic Tip - Outside Temperature Will Not Update / Inaccurate / Poor Hvac Performance

Released 6/21/2018
Information on New Refrigerant (R1234yf) for A/C Service

Released 6/20/2018
AC Blows Warm or Poor Performance

Released 5/25/2018
Information on New Refrigerant (R1234yf) for A/C Service

Released 5/15/2018
Information on New Refrigerant (R-1234yf) for A/C Service

Released 5/2/2018
A/C Not Cold / Freon Leak / Low Refrigerant Charge

Released 2/20/2018
Low Tone Noise Heard During Low Speed Driving

Released 12/7/2017
Rear Body Fuse Block Loose Fuse Connection

Released 10/2/2017
Diagnostic Tip - Outside Temperature Will Not Update / Inaccurate / Poor Hvac Performance

Released 10/6/2020
Information on Malfunction Indicator Lamp (MIL) Illuminated - DTC P0333 Set

Released 9/25/2020
Diagnostic Tip for Malfunction Indicator Lamp (MIL) Illuminated - DTC P0172 and/or P0175 Set

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 9/8/2020
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 8/20/2020
MIL Illuminates While Descending a Grade with the Transfer Case in 4wd Low - DTC P0776 Set

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

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

Released 6/22/2020
2015 2018 8L45 8L90 No Movement After Valve Body Replacement.

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

Released 6/8/2020
2017 2020 10L80 10L90 Automatic Transmission Torque Converter Restriction

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

Released 5/21/2020
Misfire Template

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 5/4/2020
Engine Misfire/Tick Noise, Malfunction Indicator Lamp (MIL) Illuminated - DTC P0300 Set

Released 4/6/2020
SES Lamp With Camshaft Position Codes P0340 and/or P0341

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

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

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 2/19/2020
SES MIL / Service Suspension System / ABS MIL / No Crank / Misfire / A/C Inoperative (Inspect Engine Harness Chaffing At Vacuum Pump Pulley)

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

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

Released 1/10/2020
Diagnostic Tips for Engine Vibration

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

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

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

Released 10/29/2019
Information on Driveline Clunk Noise

Released 10/25/2019
Buzz / Rattle Noise From Dash Or Front Of Vehicle

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

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

Released 8/29/2019
Code P06DD No Or Low Oil Pressure

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 8/9/2019
2017 2019 10L80 10L90 Automatic Transmission Torque Converter Restriction

Released 7/31/2019
Information On AFM DFM Usage

Released 7/29/2019
10L90 10L80 10 Speed Automatic Transmission Restriction Has Ended

Released 7/29/2019
Normal Characteristic - Engine Stops Running after Extended idle

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 6/24/2019
Diagnostic Tip - IPC Gauges Inoperative or Fluctuate, No Crank, Start then Stall

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

Released 6/19/2019
Howling, Whining/Whirring, Shudder/Vibration, and/or Grinding Noise While in 4HI, 4HI Auto and/or During Parking Lot Maneuvers in Auto Mode

Released 6/19/2019
2017 2019 10L80 10L90 Automatic Transmission Torque Converter Restriction

Released 6/19/2019
SES Lamp With Camshaft Position Codes P0340 and/or P0341

Released 6/18/2019
10L90 10L80 10 Speed Automatic Transmission Restriction

Released 6/13/2019
Do Not Swap Modules in Vehicles with Global Electrical Systems

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 5/28/2019
SES Traction Control lamp on and Engine Runs Rough with DTC P0300

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

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

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
E92 Controller with four 02 sensor DTCs P0132, P0137, P0152, P0157

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

Released 5/1/2019
Squeak/Squawk Noise When Turning Steering Wheel

Released 4/30/2019
Various Engine Noises During Cold Start and Warm Engine Operation

Released 4/25/2019
P0300 Misfire Bank One

Released 4/24/2019
Module Damage From Incorrect AFIT Usage On Vehicles With Direct Fuel Injection

Released 4/12/2019
Speedometer Needle Accuracy Information

Released 4/11/2019
Remote Start Inoperative / Power Lift-Gate Inoperative / Start and Stall / No Start / Blower Motor Stays on With Ignition off / SES MIL / DTC P069E P129D P2537 U18A2 U0074 U0137 U0109 u012a U0100

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

Released 4/9/2019
Service 4wd Message C0398

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
Do Not Swap Modules in Vehicles with Global Electrical Systems

Released 3/6/2019
Diagnostic tips for SES light with DTCs P2635, U0074 and/or U18A2 set

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

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

Released 2/18/2019
Misfire Template

Released 2/7/2019
Information On setting The Timing On Gen 5 Engines To Help Prevent A P0016 From Setting

Released 2/4/2019
SES MIL / Service Suspension System / ABS MIL / No Crank / Misfire / A/C Inoperative (Inspect Engine Harness Chaffing At Vacuum Pump Pulley)

Released 1/25/2019
Engine Misfire/Tick Noise, Malfunction Indicator Lamp (MIL) Illuminated - DTC P0300 Set

Released 1/22/2019
Diagnostic Aids For P0172 and P0175

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 1/11/2019
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 12/13/2018
Concern Of An Engine Thermostat Tick Noise And/Or Running Hot

Released 12/11/2018
Diagnostic Tips for Engine Vibration

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 11/21/2018
Diagnosing Fishbite Chuggle Misfire Feeling Or Shudder Vibration, With A Light Tip In

Released 11/20/2018
SES Traction Control lamp on and Engine Runs Rough with DTC P0300

Released 11/19/2018
Ticking Noise Inside Vehicle While Driving

Released 11/15/2018
10L90 10L80 10 Speed Automatic Transmission Restriction

Released 11/2/2018
Add-On Equipment Inoperative, Sulfur/Acid Smell During Vehicle Operation

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

Released 10/29/2018
Oily Substance on Windshield Leaking from Moisture Sensor

Released 10/29/2018
Engine Misfire May Be Due To loose Spark Plug Wires

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 10/17/2018
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 9/28/2018
Diagnostic Aids For P0172 and P0175

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

Released 9/27/2018
SUV Misfiring With A P0282 With P0300 set

Released 9/27/2018
10L90 10L80 10 Speed Automatic Transmission Restriction

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 9/11/2018
Information on Surge, Chuggle, Misfire, Fishbite, Shudder Feel During Driving Maneuvers

Released 9/10/2018
Normal Characteristic - Engine Stops Running after Extended idle

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
Damaged, Disassembled or Improperly Packaged Turbochargers Returned to Warranty Part Center

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
Service 4wd Message With DTC C0392 or C0396 Stored In TCCM

Released 8/8/2018
Alleged Cylinders Out Of Round

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 7/20/2018
10L90 10L80 10 Speed Automatic Transmission Restriction Program July 20, 2018

Released 7/6/2018
Grind/Ratchet Noise Occurs When Shifting Into Park While In 4 Wheel Drive Low

Released 6/20/2018
2017 2019 10L80 10L90 Automatic Transmission Torque Converter Restriction

Released 5/21/2018
Various Engine Noises During Cold Start and Warm Engine Operation

Released 5/18/2018
Service Update - 10 Speed Transmission Delayed Shifting

Released 5/17/2018
Information On Competition Mode and Performance Mode for Police Tahoe Vehicles

Released 5/17/2018
SES Lamp P050D P0300 Setting On A Cold Start And/Or a Run Rough Warm with No codes

Released 4/19/2018
Information on Engine Oil Life Monitor Operation Calculation

Released 4/9/2018
10L90 10L80 10 Speed Automatic Transmission Exchange Program

Released 4/9/2018
Information on Water or Ethylene Glycol in Transmission Fluid

Released 3/27/2018
Diagnostic Tip - IPC Gauges Inoperative Or Fluctuate, No Crank, Start then Stall

Released 3/27/2018
Extended Crank Cold With DI (Direct Injected) Engines

Released 3/23/2018
SES Lamp P050D P0300 Setting On A Cold Start And/Or a Run Rough Warm with No codes

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

Released 3/8/2018
Repair Guidelines for Engine Component Wear

Released 3/6/2018
When Shifting to Reverse and/or to Drive (Performing Garage Shifts) the Transmission May Experience a Delayed Engagement When Performing the Garage Shift

Released 2/27/2018
Warranty Administration - Updated - Dealer Empowerment Labor Operations and Customer Enthusiasm (U.S. Only)

Released 2/20/2018
P06DD Setting With Original Oil pump Or A Replacement oil Pump

Released 2/15/2018
Identifying Non-GM (Aftermarket) Engine Calibrations for Gasoline Engines Using Tech 2 or GDS 2 (U.S. and Canada)

Released 2/7/2018
Information On setting The Timing On Gen 5 Engines To Help Prevent A P0016 From Setting

Released 2/5/2018
Malfunction Indicator Lamp Illuminated DTC P2101 Set

Released 2/2/2018
SES Lamp With Camshaft or Oil Pump System Related DTCs

Released 2/2/2018
Do Not Swap Modules in Vehicles With Global Electrical Systems

Released 12/21/2017
TOP TIER Detergent Gasoline and TOP TIER Diesel Fuel Information and Licensed Brands

Released 11/30/2017
Information on Engine Oil Consumption Guidelines

Released 10/16/2017
10L90 10L80 10 Speed Automatic Transmission Exchange Program

Released 10/16/2017
PQC 2018 Part Restriction T87A Transmission Control Module

Released 8/31/2017
Intake Manifold Inspection/Replacement After Severe Internal Engine Damage

Released 8/21/2017
Alleged Cylinders Out Of Round

Released 8/16/2017
Diagnostic tips for SES light with DTCs P2635, U0074 and/or U18A2 set

Released 8/10/2017
Stalling Shudder and/or Hard shifting Into 1st Gear Or Reverse Vibration On launch (With Excessive Crankshaft End Play)

Released 8/3/2017
Concern Of An Engine Thermostat Tick Noise And/Or Running Hot

Released 7/25/2017
Information on Changes to SPS that Warn/Prohibit Reprogramming a Module With Its Current Calibration

Released 7/20/2017
Stalling Shudder And/or Hard shifting Into 1st Gear Or Reverse Vibration On launch (With Excessive Crankshaft End Play)

Released 10/24/2019
Safety Recall - Unexpected Pull To One Side

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

Released 7/24/2020
Creak Click Pop Crack Type Noise From Front Suspension/Frame Area While Making Turns

Released 5/28/2020
Action Required Steering Assist is Reduced Drive with Care Or Service Power Steering Message And Or Current Power Steering Control Module DTCs

Released 5/21/2020
Action Required Steering Assist is Reduced Drive with Care Or Service Power Steering Message And Or Current Power Steering Control Module DTCs

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 4/1/2020
Normal Characteristic - Hard or Unable to Rotate Ignition Key from the Off Position

Released 3/30/2020
Service ABS / TCS / Power Steering and/or Suspension Message DTC U0077 U0121 U0126 U0131 U0139 U0151 U0401 U0415 U0428 (Circuit 5986)

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 2/26/2020
Upper Steering Column Or Steering Wheel Pop Click Tick Snap Itch Noise While Turning The Steering Wheel

Released 2/19/2020
SES MIL / Service Suspension System / ABS MIL / No Crank / Misfire / A/C Inoperative (Inspect Engine Harness Chaffing At Vacuum Pump Pulley)

Released 11/18/2019
Normal Characteristic - Front Tire Contacts Control Arm On Full Turn at Low Speed On Vehicles Equipped with 20

Released 6/25/2019
Remove Tinnerman Push Nuts Prior to Installation or During Service of Accessory/Production 22

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

Released 6/14/2019
Service ABS / TCS / Power Steering and/or Suspension Message DTC U0077 U0121 U0126 U0131 U0139 U0151 U0401 U0415 U0428 (Circuit 5986)

Released 5/20/2019
Diagnostic Tip - Rattle Squeak Clunk Thump Bump Noise from Front Suspension

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

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

Released 2/15/2019
Diagnostic Tip - Front Shock Terminal Removal

Released 1/18/2019
Normal Characteristic - Hard or Unable to Rotate Ignition Key from the Off Position

Released 1/7/2019
Customer Satisfaction Program - Power Steering Assist

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 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 10/25/2018
Information On Shock Replacement for Leaking, Suspension Noise, Ride Performance, Uneven Ride/Trim Height, Service Suspension System or Service Ride Control Displayed on the Drivers Information Center (DIC)

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

Released 9/24/2018
Rubbing or Rattle Noise from the Front Suspension

Released 5/29/2018
Customer Satisfaction - Spare Tire Does Not Fit Over Performance Front Brake Kit

Released 3/26/2018
GM of Canada New Vehicle Tire Warranty Program and GWM Transaction Submission Information

Released 3/26/2018
Remove Tinnerman Push Nuts Prior To Installation Or During Service Of Accessory/Production 22

Released 3/7/2018
New Vehicle Pre-Delivery Inspection (PDI) - Delivering Quality Vehicles and Generating Higher CSi Scores

Released 2/9/2018
Diagnostic Tip - Rattle Squeak Clunk Thump Bump Noise From Front Suspension

Released 2/9/2018
Diagnostic Tip - Front Shock Terminal Removal

Released 1/4/2018
GM of Canada New Vehicle Tire Warranty Program and GWM Transaction Submission Information

Released 12/15/2017
Warranty Administration - General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only)

Released 11/27/2017
Creak Click Pop Crack Type Noise From Front Suspension/Frame Area While Making Turns

Released 11/21/2017
Tire Sidewall Irregularities

Released 11/9/2017
Compatibility of K2xx 22” Accessory Wheels and Tires Through GM Accessories -- Use of Altered Vehicle Certification Label

Released 11/6/2017
Action Required Steering Assist is Reduced Drive with Care Or Service Power Steering Message And Or Current Power Steering Control Module DTCs

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

Released 6/22/2020
Proactive Alert Identifier SAC004

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

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 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 10/8/2019
Information for Programming More Than 8 Keys

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 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
Diagnostic Tip: Loss of HMI Communication While Viewing HMI Data List with GDS2 Scan Tool

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 2/1/2018
Warranty Administration - Battery Testing and Warranty Replacement Requirements (North America ONLY)

Released 12/15/2017
Warranty Administration - Required Operating Procedures (U.S. Only)

Released 12/4/2017
Information on Multi-Media Infotainment Tester (MIT) Incompatibility Issues

Released 12/4/2017
Enhancing Field Product Reports with Digital Pictures

Released 8/23/2017
Paint-less Dent Repair Process

Released 8/10/2017
Warranty Administration - Required Operating Procedures (U.S. Only)

Released 8/9/2017
Information for the Migration of the SPID Label Content into the Certification Label as 2D Bar Code

Released 2/27/2018
Warranty Administration - Updated - Dealer Empowerment Labor Operations and Customer Enthusiasm (U.S. Only)

Released 12/7/2017
Rear Body Fuse Block Loose Fuse Connection

Released 7/17/2017
Oily Substance On Windshield Leaking From Moisture Sensor