Get Free 2019 CHEVROLET CORVETTE V8, 6.2L; OHV; 16V; DI TSBs

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
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 4/14/2020
Underbody Component Corrosion

Released 4/3/2020
Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability

Released 3/20/2020
Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability

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

Released 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 12/17/2019
Diagnosing Various Concerns On A Power Folding Top

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

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

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

Released 9/6/2019
Procedure For Attaching GDS2 Session Logs To Technical Assistance Cases Using Dealer Case Management (US Dealers Only).

Released 9/5/2019
Creak/Pop Noise From Front Over Bumps

Released 8/19/2019
GM Wiring Repair Strategy Information

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

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

Released 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 5/21/2019
Shake and/or Shudder During Light Throttle Acceleration Between 25 and 80 MPH (40 and 128 KM/H) at Steady Speed

Released 5/6/2019
Installing the Corvette ZR1 Rear Spoiler During a Pre Delivery Inspection (PDI)

Released 5/3/2019
Rear Spoiler Is Out Of Adjustment

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

Released 4/24/2019
Performance Cold Air Intake Interference at Air Extractor and Hood Blanket

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

Released 4/15/2019
Service Parts Restriction - ZR1 Carbon Fiber Body Parts and Ground Effects

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

Released 4/4/2019
Difficult to Shift into Gear, Intermittent Gear Pop Out and/or Mushy Shifts (No Grind)

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

Released 3/25/2019
New Vehicle Pre-Delivery Inspection (PDI) - Delivering Quality Vehicles and Generating Higher CSi Scores

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

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

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

Released 3/14/2019
Door Rattle Noise from Outside of Vehicle During High Radio Volume or High Bass Levels

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

Released 3/8/2019
Procedure For Emailing Global Diagnostic System 2 (GDS2) Session Log To GM TAC (US and Canada Dealers Only)

Released 3/8/2019
Ticking Noise From The Engine

Released 3/6/2019
Verifying Odometer Accuracy

Released 3/4/2019
Chirp, Squeak Noise from Rear of Vehicle

Released 3/4/2019
Information on Electronic Limited Slip Differential (eLSD) Operation and Driver Information Center (DIC) Wheel Slip Screen

Released 2/28/2019
Yellow Tint to ZR1s Hood and Engine Cover Exposed Carbon Fiber Parts

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

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

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

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
Diagnostic Tip: EL-51578 MOST Bus Diagnostic Tool Kit

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

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

Released 12/5/2018
Information on Passenger Presence Sensing System (PPS or PSS) Concerns with Custom Upholstery, Accessory Seat Heaters or Other Comfort Enhancing Devices

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

Released 11/28/2018
Customer Satisfaction Program - Vehicle Built w Wrong Roof Panel

Released 11/27/2018
Information for Dealers/Service Advisors on When and How to Submit a Pre-Repair Authorization (PRA) (U.S. Dealers Only)

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

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

Released 11/20/2018
Information for Dealers/Technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only)

Released 11/14/2018
Ticking Noise From The Engine

Released 11/13/2018
Front Tire Chatter/Noise vs. Rear Differential Chatter

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

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

Released 11/2/2018
Chrome Flag Emblem Fractured and/or Section of Emblem Missing On Touring Seat Back

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

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

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

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

Released 10/23/2018
Information on Disabling Passive Locking / Unlocking from Vehicle Outside Door Handles (U.S. and Canada Only)

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

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

Released 10/5/2018
Information on Summer Tire Performance and Tire Cold Weather Cracking

Released 10/4/2018
Service Parts Restriction - ZR1 Carbon Fiber Body Parts and Ground Effects

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

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

Released 10/1/2018
Adding NPP Performance Exhaust

Released 9/28/2018
Service Update - Flames From Exhaust Due To Misfire - Flames Self Extinguish

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

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
Warranty Administration - Essential Tools that Include Consumable Parts (U.S. Only)

Released 9/5/2018
Rattle Type Noise Heard from Rear of Vehicle

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

Released 8/30/2018
Rattling Noise Emitting from Driveline

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

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

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

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

Released 8/22/2018
Hem Flange Rust Repair

Released 8/22/2018
Information Regarding Installation of ZR1 Rear Spoilers

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

Released 8/22/2018
Oil Change Information for Chevrolet Corvette

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

Released 8/17/2018
Service Parts Restriction - ZR1 Carbon Fiber Body Parts and Ground Effects

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 7/26/2018
6.2L (LT5) Engine Exchange Program Has Ended

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
Information on Internal Engine Noise or Damage After Oil Filter Replacement

Released 7/24/2018
Intake Manifold Inspection/Replacement After Severe Internal Engine Damage

Released 7/23/2018
Aftermarket ALDL or DLC Interface Devices Causing Multiple Issues

Released 7/19/2018
Information on Brake Squeal or Squeak Noise During Light Brake Apply

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

Released 7/3/2018
Diagnostic Tip - Memory Seat / Power Seat Operational Characteristics

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
AC Blows Warm or Poor Performance

Released 5/31/2018
Safety - Sensing and Diagnostic Module Fault State

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

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

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

Released 5/21/2018
Customer Satidfaction Program - Possible Inaccurate Fastener Torque

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

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

Released 5/10/2018
Warranty Administration - Courtesy Transportation and Roadside Assistance Programs

Released 5/4/2018
Warranty Administration - Proper Labor Operation Selection and Causal Part Identification for Warranty Transactions

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

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

Released 4/17/2018
Customer Satisfaction Program - Brake Deflector For Street Use Not Installed

Released 4/11/2018
Change Brake Pads- Message Displayed in DIC

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

Released 4/9/2018
False DTC P0300

Released 4/6/2018
Underbody Component Corrosion

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

Released 3/19/2018
Reduced Performance or Malfunction Indicator Lamp Illuminated with DTC P0300 (Engine Misfire Detected) Set After Service or Replacement of the Charge Air Cooler

Released 3/16/2018
Eliminating Unwanted Odors in Vehicles

Released 3/9/2018
GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period

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 7/19/2018
Information on Brake Squeal or Squeak Noise During Light Brake Apply

Released 4/17/2018
Customer Satisfaction Program - Brake Deflector For Street Use Not Installed

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

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 6/2/2020
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 4/9/2020
Warranty Administration - Battery Testing and Warranty Replacement Requirements (North America ONLY)

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

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

Released 8/19/2019
GM Wiring Repair Strategy Information

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

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

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

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

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

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

Released 11/14/2018
Ticking Noise From The Engine

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

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

Released 10/23/2018
Information on Disabling Passive Locking / Unlocking from Vehicle Outside Door Handles (U.S. and Canada Only)

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

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

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

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

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

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

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

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 7/24/2018
Information on Internal Engine Noise or Damage After Oil Filter Replacement

Released 7/23/2018
Aftermarket ALDL or DLC Interface Devices Causing Multiple Issues

Released 7/3/2018
Diagnostic Tip - Memory Seat / Power Seat Operational Characteristics

Released 5/31/2018
Safety - Sensing and Diagnostic Module Fault State

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

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

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

Released 4/11/2018
Change Brake Pads- Message Displayed in DIC

Released 4/9/2018
False DTC P0300

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

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

Released 3/4/2019
Chirp, Squeak Noise from Rear of Vehicle

Released 10/1/2018
Adding NPP Performance Exhaust

Released 9/28/2018
Service Update - Flames From Exhaust Due To Misfire - Flames Self Extinguish

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

Released 4/24/2019
Performance Cold Air Intake Interference at Air Extractor and Hood Blanket

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

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

Released 3/19/2018
Reduced Performance or Malfunction Indicator Lamp Illuminated with DTC P0300 (Engine Misfire Detected) Set After Service or Replacement of the Charge Air Cooler

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

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

Released 7/17/2020
Warble Noise from Rear of Vehicle

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

Released 5/28/2020
Ticking Noise from the Engine

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

Released 5/21/2020
Misfire Template

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

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

Released 3/24/2020
Manual Transmission Stalling, Clutch Chatter and/or Hard Shifting into 1st Gear or Reverse; Automatic Transmission Vibration on Launch and/or Engine Noise

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 3/9/2020
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 1/17/2020
8L45 8L90 Internal Wiring Harness Part Numbers By Application

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

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

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

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 10/15/2019
Driveline Support (Torque Tube) / Propeller Shaft Input to Front Hub Bearing Alignment

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

Released 9/24/2019
Ticking Noise From The Engine

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

Released 8/12/2019
Information on Slight Vehicle Movement in Park at Start Up After Cold Soak

Released 7/31/2019
Information On AFM DFM Usage

Released 7/25/2019
Information on Service Transmission Assembly Fluid Exchange Procedure

Released 7/23/2019
Ticking Noise From The Engine

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

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

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

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

Released 6/18/2019
Information on New Prop Shaft Replacement

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

Released 5/21/2019
Shake and/or Shudder During Light Throttle Acceleration Between 25 and 80 MPH (40 and 128 KM/H) at Steady Speed

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

Released 5/7/2019
Avoiding Torque Converter Or Crankshaft Damage While Diagnosing Noise Concerns Do Not Separate The Torque Converter From the Flex Plate

Released 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
Needle Bearings Found In The Oil Pan During An Oil Change

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

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

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

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

Released 4/4/2019
Difficult to Shift into Gear, Intermittent Gear Pop Out and/or Mushy Shifts (No Grind)

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 3/18/2019
Service Update - Poor Engine Control Module (ECM) Retention

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

Released 3/8/2019
Ticking Noise From The Engine

Released 3/4/2019
Information on Electronic Limited Slip Differential (eLSD) Operation and Driver Information Center (DIC) Wheel Slip Screen

Released 2/18/2019
Misfire Template

Released 2/7/2019
Shake and/or Shudder During Light Throttle Acceleration Between 40 and 128 KM/H (25 and 80 MPH) at a Steady State

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

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

Released 12/6/2018
Information On Track Ready Corvette Related To Track Engine or automatic transmission fluid Temperature

Released 12/6/2018
Poor Engine Performance Or CEL On In Cold Ambient Temperatures On Vehicles Equipped With Turbocharged Gasoline Engines May Set One Or More Of The Following DTCs P0171 P0172 P0299 P2227

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

Released 12/3/2018
SES Light with Fuel Trim and or Oxygen Sensor Codes

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

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

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 10/12/2018
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 9/28/2018
Service Update - Flames From Exhaust Due To Misfire - Flames Self Extinguish

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

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 9/5/2018
Rattle Type Noise Heard from Rear of Vehicle

Released 8/30/2018
Rattling Noise Emitting from Driveline

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

Released 8/22/2018
Oil Change Information for Chevrolet Corvette

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 7/24/2018
Information on Internal Engine Noise or Damage After Oil Filter Replacement

Released 7/24/2018
Intake Manifold Inspection/Replacement After Severe Internal Engine Damage

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

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

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

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

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

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

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

Released 2/22/2019
Sway Bar Not Present on Vehicles Equipped with 4-Wheel Independent Suspension (RPO FE1) Models

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

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 11/13/2018
Front Tire Chatter/Noise vs. Rear Differential Chatter

Released 10/5/2018
Information on Summer Tire Performance and Tire Cold Weather Cracking

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

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

Released 3/5/2018
Tire Replacement / Mounting Information

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 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 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 5/21/2018
Customer Satidfaction Program - Possible Inaccurate Fastener Torque

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

Released 5/10/2018
Warranty Administration - Courtesy Transportation and Roadside Assistance Programs