Get Free 2018 CHEVROLET COLORADO L4, 2.8L; DOHC; 16V; DI; Diesel; Turbo TSBs

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

Released 7/23/2020
LIN Bus Diagnostic Information

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

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

Released 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 3/18/2020
Diagnostic Tips - Water Leaks

Released 3/10/2020
Customer Satisfaction Program - VIN Label Incorrect – 2 Involved Vehicles in Canada Only

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 12/11/2019
Hood Shakes While Driving

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

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

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

Released 10/17/2019
Rattle Noise from 60 /40 Rear Seat

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

Released 10/16/2019
Intermittent Communications Concerns - Possible Multiple MILs on U0073 or Multiple U-Codes Stored

Released 9/18/2019
Dent/Ripple Appearance Around Wheel Well Opening

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

Released 8/19/2019
GM Wiring Repair Strategy Information

Released 8/14/2019
Normal Characteristic - Appearance of Uneven Bed or Accessory Rails after Installation of Accessory Tonneau Cover

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

Released 6/27/2019
Water Rush or Gurgle Noise from Heater Core

Released 6/27/2019
SDM Calibration Update After AEV Bison Style Front Bumper Package Installation

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

Released 5/30/2019
Ticking Type Noise Heard from the Driver and/or Passenger Side Center Pillar Upper Trim Panel Structure On Bumpy Roads

Released 5/29/2019
Normal Characteristic - Appearance of Uneven Bed or Accessory Rails after Installation of Accessory Tonneau Cover

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
Extended Cab Rear Door Ajar Indicator Illuminated Intermittently

Released 5/17/2019
Service Engine Soon MIL on, Service Power Steering Message Loss of Assist or Loss of Power with Multiple U-Codes Stored or C0800

Released 5/15/2019
Diagnostic Tips - Water Leaks

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

Released 4/29/2019
Squeak, Rattle or Tick Noise from B-Pillar Area

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

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

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

Released 4/2/2019
Missing Oil Filter Adapter Insert Causing Noise, Engine Failure After Oil Filter Was Changed, Malfunction Indicator Lamp (MIL) Illuminated

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
Properly Maintaining Vehicles in Dealer Inventory

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

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

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

Released 3/8/2019
Engineering Information – Drivers Door Window Regulator Inoperative and/or Won’t Move Down

Released 3/6/2019
Verifying Odometer Accuracy

Released 3/6/2019
Diagnostic Tip for Rattle Type Noise Heard From the Instrument Panel (IP) Area

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

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 2/5/2019
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 1/22/2019
Spray-in Bed Liner General Information and Repair Procedures

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

Released 1/11/2019
Tailgate and Cargo Loop Capacity

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

Released 1/7/2019
Pickup Box Ornamentation Bar (Sports Bar) Wind Noise or Rattle

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 12/17/2018
Normal Characteristic - Tailgate Cable Slack

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 11/30/2018
Vibration and/or Noise Heard During Hard Acceleration at Speeds of 77 km/h (48 mph) to 83 km/h (52 mph)

Released 11/29/2018
Electrical Systems - Diagnostic Routine

Released 11/27/2018
Customer Satisfaction Program - Unwanted Roof-Rail Air Bag Deployments While Off-Roading

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
Hood Shakes While Driving

Released 11/27/2018
Temperature Gauge Fluctuation or Perceived Overheat Condition

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

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

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

Released 11/16/2018
Engineering Information – Drivers Door Window Regulator Inoperative and/or Won’t Move Down

Released 11/15/2018
A/C Blows Warm. Evaporator Freeze up Intermittent

Released 11/15/2018
Shake and/or Shudder During Light Throttle Acceleration Between 25 and 80 MPH (40 and 128 KM/H) at Steady Speed

Released 11/13/2018
Fluid Leak, Whining and/or Screeching Type Noise Coming From Under the Front of the Vehicle During All Driving Conditions and Speeds

Released 11/13/2018
Water Rush or Gurgle Noise from Heater Core

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

Released 11/5/2018
Engineering Information - Engine Oil Leak from Lower Oil Pan

Released 11/5/2018
Engineering Information - Engine Oil Leak from Lower Oil Pan

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

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

Released 10/19/2018
Vehicle Vibration Diagnosis and TAC Requests For Assistance With Vibration Related Complaints

Released 10/18/2018
Body Structure and/or Suspension Leans to the Left

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

Released 10/17/2018
Rattle Noise from 60 /40 Rear Seat

Released 10/17/2018
Instrument Panel Cluster (IPC) Warning Lamps And / Or MIL Are Illuminated Diesel Exhaust Fluid (DEF) Message Displayed Various DTCs Set (Inspect Wiring Harnesses for Chafing).

Released 10/16/2018
Lack of Power, Reduce Power Displayed on Drivers Information Center (DIC), Rough Idle, Stabilitrak Light On - DTC P06A3 Set

Released 10/16/2018
Information On A/C Not Cooling, A/C System Low or Empty of Refrigerant

Released 10/11/2018
Diagnosis and Repair - Bearing Damage or Engine Will Not Rotate

Released 10/11/2018
Squeak / Rattle Noise from Rear of Vehicle Over Bumps Thought to be From the Leaf Springs

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

Released 10/9/2018
Ticking, Tap, or Rattle Noise From Engine With Possible Misfire DTCs.

Released 10/9/2018
Driver Information Center (DIC) Information Pages are Blank and/or Not Displaying any Information

Released 10/8/2018
PAC Courtesy Transportation Assistance Program

Released 10/8/2018
Engine identification Number Requested When Programming ECM

Released 10/5/2018
TAC Part Restriction - E98 ECM Part Number 55501366, 55502052 and 55485591 has ended.

Released 10/5/2018
Engine Oil Leak from Side of Engine Block

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

Released 10/2/2018
Shifter click noise, shifter boot appears tight or bulge in the shifter boot

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
Cold Start Misfire and/or Rough Idle - DTC P0300 May Be Set

Released 10/1/2018
Engineering Information – Coolant Leak From Water Outlet and/or Hose Connecting to the Water Outlet

Released 9/28/2018
Engineering Information – Coolant Leak From Water Outlet and/or Hose Connecting to the Water Outlet

Released 9/27/2018
Ticking, Tap, or Rattle Noise From Engine With Possible Misfire DTCs

Released 9/26/2018
Safety Recall - High-Pressure Fuel Pump Weld May Separate

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 9/24/2018
Customer Satisfaction Program - Customer Double Charged for OnStar (U.S. Only)

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

Released 9/10/2018
Intermittent Blank or Flickering Driver Information Center (DIC)

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

Released 9/5/2018
Engine Squeak or Squeal Noise Coming From the Water Pump

Released 8/30/2018
Fog Lamp Indicator Inoperative on IPC after Installing the Accessory Fog Lamp Kit

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 8/24/2018
Safety Recall - High-Pressure Fuel Pump Weld May Separate

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

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
Hem Flange Rust Repair

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

Released 8/22/2018
Engineering Information — Driver Side Output Seal Leak

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

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

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

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

Released 8/22/2018
Window Regulator Stops Glass Before Achieving Full Up Position

Released 8/22/2018
Safety Recall - High-Pressure Fuel Pump Weld May Separate

Released 8/22/2018
Engineering Information — Malfunction Indicator Lamp Illuminated with DTCs P2101 Throttle Actuator Position Performance and/or P2119 Throttle Closed Position Performance

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

Released 8/22/2018
Oil in the Cooling System or Coolant and Oil Intermix or Underhood Oil Leak in Cold Ambient Temperatures

Released 8/16/2018
Engineering Information - Shift to Park Message Displayed on Driver Information Center (DIC) and/or Key Stuck in Ignition

Released 8/13/2018
Ticking, Tap, or Rattle Noise From Engine With Possible Misfire DTCs.

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
Fluid In Spark Plug Tubes

Released 8/8/2018
Diagnostic Tip - Diesel Exhaust Fluid System Contamination

Released 8/8/2018
Emission Recall - Diesel Particulate Matter Sensor Diagnostic Fault

Released 8/8/2018
Misfire with DTC’s P0300, P0301-P0306

Released 8/7/2018
Emission Recall - ECM Circuit Board Connection Failure

Released 8/6/2018
Engineering Information - Shift to Park Message Displayed on Driver Information Center (DIC) and/or Key Stuck in Ignition

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

Released 8/1/2018
Missing Oil Filter Adapter Insert Causing Noise, SES Light, or Engine Failure After Oil Filter Was Changed

Released 7/31/2018
Intermittent communications concerns, possible multiple MILs on, multiple U-codes stored

Released 7/31/2018
Dent/Ripple Appearance Around Wheel Well Opening

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

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

Released 7/24/2018
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
Information on Diesel Fuel Additives

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

Released 7/20/2018
Clean Exhaust Filter See Owners Manual Now, Cleaning Exhaust Filter Keep Driving Until Message is Cleared or Diesel Partic Filter is Full Continue Driving Displayed on DIC, DTC P2463 May Be Set

Released 7/20/2018
A/C Blows Warm. Evaporator Freeze up Intermittent

Released 7/11/2018
TAC Part Restriction - E98 ECM Part Number 55501366, 55502052 and 55485591

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

Released 6/29/2018
Spray-in Bed Liner General Information and Repair Procedures

Released 6/26/2018
Customer Satisfaction Program - Rear Axle Shaft C-Clips Missing

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 6/19/2018
Diagnostic Tip - Diesel Exhaust Fluid System Contamination

Released 6/18/2018
Diagnostic Tip - Diesel Fuel System Contamination

Released 6/1/2018
Intermittent Blank or Flickering Driver Information Center (DIC)

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

Released 5/16/2018
Intermittent Blank or Flickering Driver Information Center (DIC)

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

Released 5/15/2018
Customer Satisfaction Program - Customers Double Charged for Grille

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
Malfunction Indicator Lamp (MIL) Illuminated - DTC P0459 Set

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

Released 5/10/2018
Corrosion and/or White Powered Build Up On the A/C Lines in the Engine Compartment

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

Released 5/2/2018
Engineering Information — Driver Side Output Seal Leak

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

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

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

Released 4/19/2018
Diagnostic Tip - Malfunction Indicator Lamp Illuminated with DTCs P2101 and/or P2119 Set

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

Released 4/11/2018
Noise, Engine Failure, or Oil flow DTCs After Oil Filter Was Changed

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

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 4/6/2018
Underbody Component Corrosion

Released 4/5/2018
Information on Diesel Fuel Gelling in Cold Temperatures Causing the In-Tank Fuel Pump to Whine and Driveability Concerns

Released 4/4/2018
Service Update - Tow/Haul Mode IPC Telltale Not Functioning

Released 3/27/2018
Emission Recall - Diesel Particulate Matter Sensor Diagnostic Fault

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

Released 3/23/2018
Service Update - Tow/Haul Mode IPC Telltale Not Functioning

Released 3/20/2018
Engineering Information — Roof Panel Joint Finish Molding Loose, Missing, or Lifting

Released 3/16/2018
Eliminating Unwanted Odors in Vehicles

Released 3/13/2018
Diagnostic Tip for Instrument Panel Cluster (IPC) Low Washer Indicator Not Setting a Warning When Empty

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

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 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 2/2/2018
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 2/1/2018
Information On Diesel Exhaust System Configuration and DPF Soot Accumulation, Malfunction Indicator Lamp (MIL) Illuminated - DTC P2463 Set

Released 1/26/2018
Engineering Information - Torque Converter Shudder

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

Released 12/8/2017
Diagnostic Tip for Malfunction Indicator Lamp (MIL) Illuminated - DTC P0171 P0174 Set

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

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
Dent/Ripple Appearance Around Wheel Well Opening

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
Information on COAX Repair Kit Availability

Released 11/17/2017
Intermittent Blank/Missing Driver Information Center Info Pages Upon Start Up

Released 11/7/2017
Verifying Odometer Accuracy

Released 10/20/2017
PQC 2015-2018 8L45 8L90 Automatic Transmission Park Actuator Rod Restriction

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 9/26/2017
Diagnostic Tip for Malfunction Indicator Lamp (MIL) Illuminated, Auto Stop Inoperative - DTC U029D, U029E, P249D, P249E Set

Released 8/31/2017
Turbocharger Whine Noise

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 6/3/2020
Possible OnStar Notification, Malfunction Indicator Lamp (MIL) Illuminated, ABS/TCS Lamp On - DTC C0010.5A Set

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

Released 3/17/2020
Diagnostic Aid: ABS/TCS MIL On Code C0010 Symptom 5A Stored

Released 1/9/2020
Diagnostic Aid : ABS/TCS MIL On Code C0010 Symptom 5A Stored

Released 1/9/2020
Diagnostic Tip : Squeak / Rattle Noise from Rear of Vehicle Over Bumps Thought to be From the Leaf Springs

Released 12/11/2019
Diagnostic Aid : ABS/TCS MIL On Code C0010 Symptom 5A Stored

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

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

Released 9/26/2019
Adding an Aftermarket Trailer Brake Controller

Released 8/22/2019
ABS / TCS MIL On Code C0010.5A Stored

Released 6/28/2019
ABS / TCS MIL On Code B0010.5A Stored

Released 6/26/2019
Adding an Aftermarket Trailer Brake Controller

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 4/17/2020
Cooling System Contaminated With Engine Oil

Released 9/20/2019
Temperature Gauge Fluctuation

Released 6/27/2019
Water Rush or Gurgle Noise from Heater Core

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

Released 5/20/2019
Diagnostic Tip: Gurgle noise from Heater Core after Performing 19-NA-007

Released 3/29/2019
Temperature Gauge Fluctuation

Released 10/1/2018
Engineering Information – Coolant Leak From Water Outlet and/or Hose Connecting to the Water Outlet

Released 9/28/2018
Engineering Information – Coolant Leak From Water Outlet and/or Hose Connecting to the Water Outlet

Released 8/10/2020
Accessory off Road Lights Inoperative after Installation

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

Released 6/26/2020
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 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 5/7/2020
Diagnostic Tip - Battery Discharged Overnight

Released 4/14/2020
Accessory off Road Lights Inoperative after Installation

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

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

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

Released 3/17/2020
Accessory Off Road Lights Inoperative After Installation

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

Released 10/16/2019
Remote Functions Inoperative after First Button Press

Released 10/16/2019
Intermittent Communications Concerns - Possible Multiple MILs on U0073 or Multiple U-Codes Stored

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

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

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 7/24/2019
Diagnostic Aid, Fuel Gauge Will Not Read Above OR Below a 1/2 Tank

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

Released 7/10/2019
Information on Rough Idle, Malfunction Indicator Lamp (MIL) Illuminated After Engine Repairs - DTC P0016 Set

Released 7/9/2019
Intermittent communications concerns, possible multiple MILs on, multiple U-codes stored

Released 6/27/2019
SDM Calibration Update After AEV Bison Style Front Bumper Package Installation

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 5/20/2019
Extended Cab Rear Door Ajar Indicator Illuminated Intermittently

Released 5/20/2019
Diagnostic Tip - Battery Discharged Overnight

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 3/8/2019
Engineering Information – Drivers Door Window Regulator Inoperative and/or Won’t Move Down

Released 2/22/2019
Accessory off Road Lights Inoperative after Installation

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 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 12/5/2018
Unwanted Deployment of Roof Rail Airbag, Driver and Passenger Lap Pre-tensioner Deployment

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

Released 11/30/2018
Vibration and/or Noise Heard During Hard Acceleration at Speeds of 77 km/h (48 mph) to 83 km/h (52 mph)

Released 11/29/2018
Electrical Systems - Diagnostic Routine

Released 11/27/2018
Customer Satisfaction Program - Unwanted Roof-Rail Air Bag Deployments While Off-Roading

Released 11/27/2018
Temperature Gauge Fluctuation or Perceived Overheat Condition

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

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

Released 11/16/2018
Engineering Information – Drivers Door Window Regulator Inoperative and/or Won’t Move Down

Released 11/5/2018
Engineering Information - Engine Oil Leak from Lower Oil Pan

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

Released 10/17/2018
Rattle Noise from 60 /40 Rear Seat

Released 10/16/2018
Lack of Power, Reduce Power Displayed on Drivers Information Center (DIC), Rough Idle, Stabilitrak Light On - DTC P06A3 Set

Released 10/9/2018
Ticking, Tap, or Rattle Noise From Engine With Possible Misfire DTCs.

Released 10/9/2018
Driver Information Center (DIC) Information Pages are Blank and/or Not Displaying any Information

Released 10/8/2018
Engine identification Number Requested When Programming ECM

Released 10/5/2018
TAC Part Restriction - E98 ECM Part Number 55501366, 55502052 and 55485591 has ended.

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
Cold Start Misfire and/or Rough Idle - DTC P0300 May Be Set

Released 10/1/2018
Engineering Information – Coolant Leak From Water Outlet and/or Hose Connecting to the Water Outlet

Released 9/27/2018
Ticking, Tap, or Rattle Noise From Engine With Possible Misfire DTCs

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 9/24/2018
Customer Satisfaction Program - Customer Double Charged for OnStar (U.S. Only)

Released 9/10/2018
Intermittent Blank or Flickering Driver Information Center (DIC)

Released 9/5/2018
Engine Squeak or Squeal Noise Coming From the Water Pump

Released 8/30/2018
Fog Lamp Indicator Inoperative on IPC after Installing the Accessory Fog Lamp Kit

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 8/24/2018
Safety Recall - High-Pressure Fuel Pump Weld May Separate

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
Audio Volume Stuck High or Low with No DTCs

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

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

Released 8/22/2018
Window Regulator Stops Glass Before Achieving Full Up Position

Released 8/22/2018
Engineering Information — Malfunction Indicator Lamp Illuminated with DTCs P2101 Throttle Actuator Position Performance and/or P2119 Throttle Closed Position Performance

Released 8/16/2018
Engineering Information - Shift to Park Message Displayed on Driver Information Center (DIC) and/or Key Stuck in Ignition

Released 8/13/2018
Ticking, Tap, or Rattle Noise From Engine With Possible Misfire DTCs.

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

Released 8/8/2018
Diagnostic Tip - Diesel Exhaust Fluid System Contamination

Released 8/8/2018
Emission Recall - Diesel Particulate Matter Sensor Diagnostic Fault

Released 8/8/2018
Misfire with DTC’s P0300, P0301-P0306

Released 8/7/2018
Emission Recall - ECM Circuit Board Connection Failure

Released 8/6/2018
Engineering Information - Shift to Park Message Displayed on Driver Information Center (DIC) and/or Key Stuck in Ignition

Released 7/31/2018
Intermittent communications concerns, possible multiple MILs on, multiple U-codes stored

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

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

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

Released 6/18/2018
Diagnostic Tip - Diesel Fuel System Contamination

Released 6/1/2018
Intermittent Blank or Flickering Driver Information Center (DIC)

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 5/16/2018
Intermittent Blank or Flickering Driver Information Center (DIC)

Released 5/10/2018
Malfunction Indicator Lamp (MIL) Illuminated - DTC P0459 Set

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

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

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

Released 4/19/2018
Diagnostic Tip - Malfunction Indicator Lamp Illuminated with DTCs P2101 and/or P2119 Set

Released 4/5/2018
Information on Diesel Fuel Gelling in Cold Temperatures Causing the In-Tank Fuel Pump to Whine and Driveability Concerns

Released 4/4/2018
Service Update - Tow/Haul Mode IPC Telltale Not Functioning

Released 3/27/2018
Emission Recall - Diesel Particulate Matter Sensor Diagnostic Fault

Released 3/23/2018
Service Update - Tow/Haul Mode IPC Telltale Not Functioning

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

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

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
Cold Weather and Long Stand Time Battery Maintenance and Testing Tips

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
Information on COAX Repair Kit Availability

Released 11/17/2017
Intermittent Blank/Missing Driver Information Center Info Pages Upon Start Up

Released 11/7/2017
Verifying Odometer Accuracy

Released 10/16/2017
Accessory Off Road Lights Inoperative After Installation

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 9/5/2017
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 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 2/1/2018
SES Light Comes On Setting A P0459 or P0443

Released 12/8/2017
Diagnostic Tip for Malfunction Indicator Lamp (MIL) Illuminated - DTC P0171 P0174 Set

Released 11/16/2017
Emission Recall - Diesel Particulate Matter Sensor Diagnostic Fault

Released 9/26/2017
Diagnostic Tip for Malfunction Indicator Lamp (MIL) Illuminated, Auto Stop Inoperative - DTC U029D, U029E, P249D, P249E Set

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

Released 6/19/2018
Diagnostic Tip - Diesel Exhaust Fluid System Contamination

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

Released 2/1/2018
Information On Diesel Exhaust System Configuration and DPF Soot Accumulation, Malfunction Indicator Lamp (MIL) Illuminated - DTC P2463 Set

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 5/28/2020
Information on Clicking/Ticking Sound/Noise Heard During Cold Start

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 12/10/2019
Diagnostic Tip for Engine Stalled and Unable to Re-Start, Malfunction Indicator Lamp (MIL) Illuminated - DTCs P2101 and/or P2119 Set

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

Released 10/14/2019
Diagnostic Tip for Misfire, Malfunction Indicator Lamp (MIL) Illuminated - DTCs P0300, P0301, P0302, P0303 and/or P0304

Released 9/3/2019
Diagnostic Aid, Fuel Gauge Will Not Read Above OR Below a 1/2 Tank

Released 7/24/2019
Diagnostic Aid, Fuel Gauge Will Not Read Above OR Below a 1/2 Tank

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 5/17/2019
Click or Tick Noise Heard Inside Cab with Engine Running

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

Released 2/26/2019
Fuel Gauge Will Not Read Below a 1/2 Tank

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

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 9/26/2018
Safety Recall - High-Pressure Fuel Pump Weld May Separate

Released 8/24/2018
Safety Recall - High-Pressure Fuel Pump Weld May Separate

Released 8/22/2018
Safety Recall - High-Pressure Fuel Pump Weld May Separate

Released 8/8/2018
Diagnostic Tip - Diesel Exhaust Fluid System Contamination

Released 8/8/2018
Emission Recall - Diesel Particulate Matter Sensor Diagnostic Fault

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

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

Released 7/23/2018
Information on Diesel Fuel Additives

Released 6/18/2018
Diagnostic Tip - Diesel Fuel System Contamination

Released 3/27/2018
Emission Recall - Diesel Particulate Matter Sensor Diagnostic Fault

Released 3/2/2018
Engineering Information -- Malfunction Indicator Lamp Illuminated with DTCs P2101 Throttle Actuator Position Performance and/or P2119 Throttle Closed Position Performance

Released 3/1/2018
Click or Tick Noise Heard Inside Cab with Engine Running

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

Released 9/27/2017
Information on Diesel Fuel Additives

Released 8/31/2017
Turbocharger Whine Noise

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

Released 2/28/2020
Diagnostic Tip: Gurgle noise from Heater Core After Performing 19-NA-007

Released 12/13/2019
Poor A/C Performance Before Or After Performing Bulletin 19-NA-177

Released 9/19/2019
Diagnostic Tip: Gurgle noise from Heater Core After Performing 19-NA-007

Released 8/29/2019
Lack of A/C performance, Evaporator freeze up

Released 7/29/2019
A/C Blows Warm. Evaporator Freeze up Intermittent

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

Released 5/20/2019
Diagnostic Tip: Gurgle noise from Heater Core after Performing 19-NA-007

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

Released 11/15/2018
A/C Blows Warm. Evaporator Freeze up Intermittent

Released 11/13/2018
Water Rush or Gurgle Noise from Heater Core

Released 10/16/2018
Information On A/C Not Cooling, A/C System Low or Empty of Refrigerant

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 7/20/2018
A/C Blows Warm. Evaporator Freeze up Intermittent

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 5/10/2018
Corrosion and/or White Powered Build Up On the A/C Lines in the Engine Compartment

Released 3/1/2018
Click or Tick Noise Heard Inside Cab with Engine Running

Released 10/8/2020
Misfire Template

Released 9/24/2020
Diagnosis and Repair - Bearing Damage or Engine Will Not Rotate

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

Released 9/2/2020
Engineering Information – Loud Bang and/or Grinding Type Noise Heard Coming From the Rear Axle

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

Released 7/7/2020
SES Lamp ON With DTC P0324 - Engine Squeak Or Belt Noise

Released 7/2/2020
Fluid In Spark Plug Tubes

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

Released 6/1/2020
Cooling System Contaminated With Engine Oil

Released 5/28/2020
Information on Clicking/Ticking Sound/Noise Heard During Cold Start

Released 5/26/2020
Diagnostic Assistance For P0016 And P0018 On The Gen 2 HFV6 Engine

Released 5/21/2020
Misfire Template

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

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 4/9/2020
Ticking, Tap, or Rattle Noise From Engine With Possible Misfire DTCs.

Released 4/8/2020
Misfire with DTC’s P0300, P0301-P0306

Released 3/25/2020
Engineering Information – Loud Bang and/or Grinding Type Noise Heard Coming From the Rear Axle

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 2/19/2020
Growling, Grinding, or Whining Noise During Acceleration and Deceleration Between 20mph (32kph) and Highway Speeds

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

Released 12/11/2019
MIL Due To P06DE and may also have P0521

Released 12/10/2019
Diagnostic Tip for Engine Stalled and Unable to Re-Start, Malfunction Indicator Lamp (MIL) Illuminated - DTCs P2101 and/or P2119 Set

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 11/18/2019
Diagnostic Tips for Knocking, Rattle, Squeak and/or Squeal Type Noise from Engine - Engine Replacement Recommendations for HFV6 Gen 1 and Gen 2

Released 10/29/2019
Information on Driveline Clunk Noise

Released 10/17/2019
Diagnostic Tip - Diesel Exhaust Fluid System Contamination

Released 10/15/2019
Engineering Information - 4WD Will Not Engage

Released 10/14/2019
Clean Exhaust Filter See Owners Manual Now, Cleaning Exhaust Filter Keep Driving Until Message is Cleared or Diesel Partic Filter is Full Continue Driving Displayed on DIC, DTC P2463 May Be Set

Released 10/14/2019
Diagnostic Tip for Misfire, Malfunction Indicator Lamp (MIL) Illuminated - DTCs P0300, P0301, P0302, P0303 and/or P0304

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

Released 9/20/2019
Temperature Gauge Fluctuation

Released 9/17/2019
Engineering Information - Service Engine Soon Lamp Illuminated, Oil Leak Coming from Valve Rocker Arm Oil Control Valve, DTCs P0300, P3433, P3435 or P3409 Set

Released 9/16/2019
MIL Due To P06DE and may also have P0521

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
Service Update Bulletin - Torque Converter Shudder/Shake

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 8/1/2019
Service Update Bulletin - Torque Converter Shudder/Shake

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

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

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

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

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

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

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

Released 6/10/2019
Check Engine Light On, DTCs P1478, P24B0, P1476, P24B1, P118B, P00E9 or P10D1 Set

Released 6/5/2019
Engineering Information – 4WD Will Not Engage

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 5/17/2019
Service Engine Soon MIL on, Service Power Steering Message Loss of Assist or Loss of Power with Multiple U-Codes Stored or C0800

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

Released 4/29/2019
Temperature Gauge Fluctuation

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

Released 4/9/2019
Service 4wd Message C0398

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

Released 4/8/2019
Engine Replacement Recommendations for HFV6 Gen 1 and Gen 2

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

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

Released 4/2/2019
Manual Transmission Operating Characteristics

Released 3/29/2019
Temperature Gauge Fluctuation

Released 3/20/2019
Engineering Information - Engine Oil Leak from Lower Oil Pan

Released 3/15/2019
Engineering Information - Engine Oil Leak from Lower Oil Pan

Released 3/14/2019
PQC 2015-2018 8L45 8L90 Automatic Transmission Park Actuator Rod Restriction

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

Released 2/21/2019
Engineering Information – Coolant Leak From Water Outlet and/or Hose Connecting to the Water Outlet

Released 2/21/2019
Engineering Information – Coolant Leak From Water Outlet and/or Hose Connecting to the Water Outlet

Released 2/19/2019
Customer Satisfaction Program - Oil Pump High Pressure

Released 2/18/2019
Misfire Template

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

Released 2/13/2019
Information for Repairing Engine Front Cover Oil Leak, Sealing Surface Preparation and Applying RTV Sealant

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 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
Rattle noise from the shift lever

Released 1/11/2019
Customer Satisfaction Program - Oil Pump High Pressure

Released 1/11/2019
Poor Engine Performance Or CEL On In Cold Ambient Temperatures On Vehicles Equipped With Turbocharged Gasoline Engines May Set One Or More Of The Following DTCs P0299 P2227

Released 1/4/2019
Customer Satisfaction Program - Oil Pump High Pressure

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

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 12/4/2018
Emission Recall - ECM Circuit Board Connection Failure

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

Released 11/30/2018
Vibration and/or Noise Heard During Hard Acceleration at Speeds of 77 km/h (48 mph) to 83 km/h (52 mph)

Released 11/15/2018
Shake and/or Shudder During Light Throttle Acceleration Between 25 and 80 MPH (40 and 128 KM/H) at Steady Speed

Released 11/5/2018
Engineering Information - Engine Oil Leak from Lower Oil Pan

Released 11/5/2018
Engineering Information - Engine Oil Leak from Lower Oil Pan

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

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

Released 10/19/2018
Vehicle Vibration Diagnosis and TAC Requests For Assistance With Vibration Related Complaints

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

Released 10/16/2018
Lack of Power, Reduce Power Displayed on Drivers Information Center (DIC), Rough Idle, Stabilitrak Light On - DTC P06A3 Set

Released 10/11/2018
Diagnosis and Repair - Bearing Damage or Engine Will Not Rotate

Released 10/9/2018
Ticking, Tap, or Rattle Noise From Engine With Possible Misfire DTCs.

Released 10/5/2018
Engine Oil Leak from Side of Engine Block

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

Released 10/2/2018
Shifter click noise, shifter boot appears tight or bulge in the shifter boot

Released 10/1/2018
Cold Start Misfire and/or Rough Idle - DTC P0300 May Be Set

Released 10/1/2018
Engineering Information – Coolant Leak From Water Outlet and/or Hose Connecting to the Water Outlet

Released 9/28/2018
Engineering Information – Coolant Leak From Water Outlet and/or Hose Connecting to the Water Outlet

Released 9/27/2018
Ticking, Tap, or Rattle Noise From Engine With Possible Misfire DTCs

Released 9/26/2018
Safety Recall - High-Pressure Fuel Pump Weld May Separate

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
Engine Squeak or Squeal Noise Coming From the Water Pump

Released 8/24/2018
Safety Recall - High-Pressure Fuel Pump Weld May Separate

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

Released 8/22/2018
Engineering Information — Driver Side Output Seal Leak

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

Released 8/22/2018
Safety Recall - High-Pressure Fuel Pump Weld May Separate

Released 8/22/2018
Oil in the Cooling System or Coolant and Oil Intermix or Underhood Oil Leak in Cold Ambient Temperatures

Released 8/16/2018
Engineering Information - Shift to Park Message Displayed on Driver Information Center (DIC) and/or Key Stuck in Ignition

Released 8/13/2018
Ticking, Tap, or Rattle Noise From Engine With Possible Misfire DTCs.

Released 8/8/2018
Alleged Cylinders Out Of Round

Released 8/8/2018
Fluid In Spark Plug Tubes

Released 8/8/2018
Misfire with DTC’s P0300, P0301-P0306

Released 8/1/2018
Missing Oil Filter Adapter Insert Causing Noise, SES Light, or Engine Failure After Oil Filter Was Changed

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

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 7/11/2018
TAC Part Restriction - E98 ECM Part Number 55501366, 55502052 and 55485591

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

Released 6/26/2018
Customer Satisfaction Program - Rear Axle Shaft C-Clips Missing

Released 5/2/2018
Engineering Information — Driver Side Output Seal Leak

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

Released 4/11/2018
Noise, Engine Failure, or Oil flow DTCs After Oil Filter Was Changed

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

Released 4/5/2018
Information on Diesel Fuel Gelling in Cold Temperatures Causing the In-Tank Fuel Pump to Whine and Driveability Concerns

Released 3/13/2018
Ticking, Tap, or Rattle Noise From Engine With Possible Misfire DTCs.

Released 3/12/2018
Misfire with DTCs P0300, P0301-P0306

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
Noise, Engine Failure, or Oil flow DTCs After Oil Filter Was Changed

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

Released 2/21/2018
Fluid In Spark Plug Tubes

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

Released 2/13/2018
Ticking, Tap, or Rattle Noise From Engine With Possible Misfire DTCs.

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

Released 1/26/2018
Engineering Information - Torque Converter Shudder

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

Released 12/1/2017
Ticking, Tap, or Rattle Noise From Engine With Possible Misfire DTCs.

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

Released 11/16/2017
Emission Recall - Diesel Particulate Matter Sensor Diagnostic Fault

Released 11/8/2017
Malfunction Indicator Lamp (MIL) Illuminated - DTC P3409 and/or P3433

Released 10/20/2017
PQC 2015-2018 8L45 8L90 Automatic Transmission Park Actuator Rod Restriction

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

Released 10/6/2017
TAC Part Restriction - E98 ECM Part Number 55487860, 55501366, 55502052 and 55485591.

Released 10/4/2017
Engineering Information - Torque Converter Shudder

Released 9/26/2017
Information On Remanufactured Engine Misfire Diagnosis After Installation

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

Released 8/21/2017
Alleged Cylinders Out Of Round

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

Released 7/14/2017
PQC 2018 Part Restriction T87A Transmission Control Module

Released 11/16/2017
Emission Recall - Diesel Particulate Matter Sensor Diagnostic Fault

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

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

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

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

Released 8/14/2019
Diagnostic Tip : Squeak / Rattle Noise from Rear of Vehicle Over Bumps Thought to be From the Leaf Springs.

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

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

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
Fluid Leak, Whining and/or Screeching Type Noise Coming From Under the Front of the Vehicle During All Driving Conditions and Speeds

Released 10/11/2018
Squeak / Rattle Noise from Rear of Vehicle Over Bumps Thought to be From the Leaf Springs

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

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 12/5/2018
Unwanted Deployment of Roof Rail Airbag, Driver and Passenger Lap Pre-tensioner Deployment

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 9/24/2018
Customer Satisfaction Program - Customer Double Charged for OnStar (U.S. Only)

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
Enhancing Field Product Reports with Digital Pictures

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

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)