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Technical Service Bulletins

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

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

TSB Description

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

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

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

Released 4/3/2020
P06DE P0521 Low Oil Pressure Piston Oil Nozzle Squirter Parts Found In Oil Pan

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

Released 10/14/2019
Diagnostic Tip: Poor Engine Performance Or CEL On In Cold Ambient Temperatures On Vehicles Equipped With Turbocharged Gasoline Engines May Set One Or More Of The Following DTCs P0299 P2227

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

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

Released 8/19/2019
Service Update Bulletin - Torque Converter Shudder/Shake

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

Released 2/19/2019
Diagnostic Tip: Poor Engine Performance Or CEL On In Cold Ambient Temperatures On Vehicles Equipped With Turbocharged Gasoline Engines May Set One Or More Of The Following DTCs P0299 P2227

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

Released 2/4/2019
Information on Improved Replacement Spin-On Oil Filter UPF63R for High Feature V6 Engines

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

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

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

Released 3/16/2018
Eliminating Unwanted Odors in Vehicles

Released 9/1/2016
Fuel and Oil Additives - Facts and Myths - Maximizing Gasoline Fuel Economy

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

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

TSB Description

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 12/12/2019
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 9/18/2019
Normal Operation of Haptic Seat During Lane Keep Assist Event

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

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

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

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

Released 5/13/2019
EV Range Driving Tips

Released 5/8/2019
Diagnostic Tip - Service Night Vision - Unable to Perform Night Vision Camera Control Module Learn with a Possible Procedure 31 Request out of Range Message

Released 5/6/2019
Clicking, Popping, Tapping, Creaking, Flexing, Rubbing or Rattle Noises from Roof Area During Turns or Driving Over Uneven Pavement

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

Released 4/24/2019
Audio Muting When Listening to Some SiriusXM Channels Due to Interference in Some Geographic Locations

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

Released 4/15/2019
daptive Cruise Temporarily Unavailable Message Lane Keep Assist (LKA) Inoperative in High Ambient Temperatures

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

Released 4/1/2019
Information on Proper Use of Floor Mats

Released 4/1/2019
CT6 Drive Motor Battery Charger (OBCM) and Charge Receptacle Restriction Has Ended

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
Engineering Information (EI) Process

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

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

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

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

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

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

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

Released 3/6/2019
Verifying Odometer Accuracy

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

Released 2/12/2019
EV Range Driving Tips

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

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 2/4/2019
Information on Improved Replacement Spin-On Oil Filter UPF63R for High Feature V6 Engines

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
Lateral Movement or Looseness of Front Seat

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 11/27/2018
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 11/20/2018
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 11/19/2018
Normal Operation of Haptic Seat During Lane Keep Assist Event

Released 11/15/2018
Adaptive Cruise Control/ Lane Keep Assist Unavailable

Released 11/13/2018
Unable to charge the High voltage battery, DTC P1FFE

Released 11/13/2018
Service Engine Soon Light Comes on With All 4 Camshaft Position System Performance DTCs P0011 P0014 P0021 and P0024 Setting.

Released 11/8/2018
Engine Runs Rough with Malfunction Indicator Lamp (MIL) On, Low Compression on Cylinder with Misfire, DTC P0300 Set

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

Released 11/5/2018
Light Tap or Knock Noise From Engine When Hot

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

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

Released 10/29/2018
Creak or Rattle Type Noise from Front of Vehicle

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

Released 10/26/2018
MIL ON - DTC U016B Lost Communication with Electric A/C Compressor Control Module Set and Will Not Clear

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

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

Released 10/22/2018
EV Range Driving Tips

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
Accessory Power Module (APM) Restriction

Released 10/12/2018
CT6 Hybrid Powertrain Control Module 2 (HPCM 2) Part Restriction

Released 10/11/2018
Non Compliance - Adhesive on Child Seat Anchor

Released 10/10/2018
Diagnostic Tips - Auto Heated and Auto Heated Ventilated Seat

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 10/8/2018
PAC Courtesy Transportation Assistance Program

Released 10/8/2018
MIL P2097 LCV (2.5L) LKW (2.5L) LTG (2.0L)

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

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

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

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

Released 9/11/2018
(CT6 PHEV) High Voltage Drive Motor Battery Exchange

Released 9/5/2018
SES Lamp ON With DTC P0324 - Engine Squeak Or Belt Noise

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

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

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

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

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

Released 8/22/2018
Poor Range of Garage Door Transmitter

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

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

Released 8/22/2018
Hoot, Whine, Buzz, Hiss Noise Coming from Vehicle After Engine is Shut Off

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

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

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

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
Wireless Charging System Check/Phone Compatibility/Retrofit Kit Available

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

Released 8/9/2018
2016-2018 CT6 Plug-In Hybrid Certain Instrument Cluster Telltales Not Identified in Owner Manual

Released 8/8/2018
Alleged Cylinders Out Of Round

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

Released 8/8/2018
Fluid In Spark Plug Tubes

Released 8/7/2018
Malfuction Indicator Lamp Illuminated - DTC P0172 Set

Released 7/25/2018
Service Engine Soon Light Comes on With All 4 Camshaft Position System Performance DTCs P0011, P0014, P0021 and P0024 Setting.

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

Released 7/25/2018
Check Engine Light MIL P015B, P1101 and /or P0101 Reduce Engine Power

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 7/16/2018
Metal Shavings In The Oil Filter On First Oil Change

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

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

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

Released 6/29/2018
Non Compliance - Adhesive on Child Seat Anchor

Released 6/26/2018
Oil Leak from Oil Pan Area

Released 6/26/2018
Service Engine Soon Light Comes on With All 4 Camshaft Position System Performance DTCs P0011, P0014, P0021 and P0024 Setting.

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 6/1/2018
Transport Mode On Message Displayed in DIC and/or Battery Light is Flashing

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

Released 5/29/2018
Warranty Administration - High Voltage Battery Exchange Process 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 5/17/2018
CT6 4EL70 Hybrid Transmission and Component Restriction Program

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

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

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

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

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

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

Released 5/7/2018
Service Engine Soon Light Comes on With All 4 Camshaft Position System Performance DTCs P0011, P0014, P0021 and P0024 Setting

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

Released 4/30/2018
Radio Control (ICS) Display Does Not Remain Off at Times After it Has Been Turned Off in the Radio Settings Menu

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

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

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

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

Released 4/6/2018
Underbody Component Corrosion

Released 4/3/2018
(CT6 PHEV) High Voltage Drive Motor Battery Exchange and Internal Parts Process

Released 3/27/2018
Transport Mode On Message Displayed in Driver Information Center (DIC) and/or Battery Light is Flashing (Follow Procedure as Outlined Below)

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

Released 3/23/2018
Diagnostic Tip for Decreased Air Flow Coming Out from the Front Instrument Panel Outer Air Outlet Vents While Driving

Released 3/16/2018
Phantom Three Beeps or Horn Chirps Heard After Turning Off Vehicle

Released 3/16/2018
Eliminating Unwanted Odors in Vehicles

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

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

Released 2/1/2018
Noncompliance Recall - Instrument Panel Cluster Park Brake Tell Tale Lettering Height

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

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

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 11/20/2017
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
Memory Mirror Positions Lost and/or Reverse Tilt is Inoperative

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

Released 8/30/2017
Service Update - Fuel Recommendation Door Labels Missing

Released 8/24/2017
Loud Noise, Malfunction Indicator Lamp Illuminated, and/or No Start with DTC P0016, P0017, P0018, or P0019 Set

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

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 6/30/2017
Stalling - Hesitation - Lack Of Performance P018B and/Or P2635 Setting In High Ambient Temperatures

Released 6/23/2017
Warranty Administration - Courtesy Transportation and Roadside Assistance Programs

Released 6/22/2017
Touch Screen Beep is Recognized by OnStar as a Voice Command

Released 6/22/2017
Interior Cleaning -- Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer --Product Availability

Released 6/16/2017
Seat Belt Extender Availability

Released 6/16/2017
Properly Maintaining Vehicles in Dealer Inventory

Released 6/15/2017
Radio Intermittently Starts At Home Screen Unwanted

Released 6/14/2017
Air Conditioning Odor (Install Evaporator Core Dryer Kit and Apply Cooling Coil Coating)

Released 6/12/2017
LGW Turbocharger Replacement Restriction

Released 6/12/2017
PQC Part Restriction On The T87A Transmission Control Module Has Ended

Released 6/8/2017
Engine Replacement Recommendations for HFV6 Gen 1 and Gen 2

Released 6/8/2017
Various Vehicle Personalization Selections Missing from Radio Settings Menu That Reappear After Ignition Cycle

Released 5/24/2017
Diagnostic Aids: Adding A Transmitter or Key Without Service Programming System (Quick Learn)

Released 5/11/2017
Engineering Information - Oil Leak Between Upper and Lower Oil Pan

Released 5/10/2017
Warranty Administration - Automatic Transmission Oil Cooler Flush and Flow Test

Released 5/4/2017
Operating Tips for Hands Free Liftgate

Released 4/28/2017
Wireless Charging Module Diagnosis

Released 4/25/2017
SES Light with Fuel Trim and or Oxygen Sensor Codes

Released 4/24/2017
2017 Cadillac CT6 Plug In - New Model Features

Released 4/21/2017
No Propulsion, Malfunction Indicator Lamp, Battery Cut Off Indicator, and Shift to Park Messages, with DTC P0A5E, P0A61, P0A64, P0A67, P0A6A, or P0A6D Set

Released 4/20/2017
Adaptive Cruise Control Unavailable in Bare Areas

Released 4/19/2017
Non-Design Intent Wheel Lock Nuts and Lug Nuts

Released 4/12/2017
Underbody Component Corrosion

Released 4/10/2017
Information on Proper Use of Floor Mats

Released 3/29/2017
Information on Driveline Clunk Noise

Released 3/28/2017
(HYBRID) No Start, EV, BAS3 eAssist Red Battery Light/Charging System Light On, Malfunction Indicator Lamp (MIL) Illuminated - DTC P1F17 Set

Released 3/23/2017
Service Update - 8-Speed Transmission Check Engine Light

Released 3/20/2017
CT6 Drive Motor Power Inverter Control Module (PIM) Part Restriction

Released 3/17/2017
Brake Squeal or Squeak Noise Intermittently on Initial Brake Applies

Released 3/16/2017
Engineering Information - High Pitch Squeal Noise from Water Pump

Released 3/15/2017
Warranty Administration - Field Action Courtesy Transportation Policy

Released 3/10/2017
Security Code Input Message with SPS Error Code E5659, M5304 and/or M5530 During TIS2web Programming

Released 3/3/2017
Repeated Radio/display Resets, Volume Control Inoperative, Waiting for Update Media Message, Voice Command For Calling Bluetooth Phone Contacts Inoperative, Service Rear Vision System Message, Radio Turns On Unwanted At Startup, and/or Navigation Radio De

Released 2/24/2017
Various Vehicle Personalization Selections Missing From The Radio Settings Menu That Reappear After Ignition Cycle

Released 2/16/2017
Cylinder Head Gasket Damage

Released 1/4/2017
TAC Part Restriction for US Dealers - Navigation Radio, Radio, Human Machine Interface, Media Player, Radio Display, and Radio Control/Integrated Center Stack

Released 12/19/2016
Information on Inappropriate Warranty Claims Submitted for Damaged Radios and Instrument Panel Clusters (IPCs)

Released 12/9/2016
GM of Canada New Vehicle Tire Warranty Program and GWM Transaction Submission Information

Released 12/1/2016
Intermittent Operation of Key Fobs, Door Unlock Inoperative “No Remote Detected” Message with Possible TPM MIL

Released 11/23/2016
Rattle or Buzz Noise from Rear of Vehicle and/or Rear Wheel Liner Hanging Down

Released 11/22/2016
Loss of Driver and/or Passenger Front HVAC Floor Duct Airflow, Popping Noise from Instrument Panel (IP) Area

Released 11/18/2016
Normal Operation Of Haptic Seat During Lane Keep Assist Event

Released 11/15/2016
Alleged Cylinders Out Of Round

Released 11/14/2016
Information on Power On Reset, Battery Learn Procedure No Longer Required

Released 11/10/2016
Sunroof Rattle, Creak, Tick and/or Double Click Noise During Operation

Released 11/10/2016
Information on Side Door Window Glass Chipping Caused by Hanging Vehicle Key Lock Box

Released 11/1/2016
Service Update - Trunk May Not Open

Released 11/1/2016
Customer Satisfaction Program - Advanced Park Assist Function Not Enabled

Released 10/27/2016
Intermittent Operation of Key Fobs, Door Unlock Inoperative “No Remote Detected” Message with Possible BCM DTC B3101 and TPM MIL.

Released 10/24/2016
Audio Muting When Listening to Some Sirius XM Channels Due to Interference in Some Geographic Locations

Released 10/21/2016
Information on Using MyBuick, MyCadillac, MyChevrolet, and MyGMC Phone Applications to Control GM Accessory Remote Start Kits

Released 10/13/2016
Information on Removal and Replacement of Door Handle Key Cylinder Cover to Access Key Cylinder

Released 9/23/2016
Information on Rear Window, Door Lock and Seat Power Features Inoperative Due to Activation of Window Lockout

Released 9/23/2016
Safety Recall - Front Passenger Seat Belt Missing Bolt

Released 9/22/2016
Information on Inappropriate Warranty Claims Submitted for Damaged Radios and Instrument Panel Clusters (IPCs)

Released 9/22/2016
Hem Flange Rust Repair

Released 9/16/2016
IPC Odometer Programming Method Quick Reference Guide

Released 9/14/2016
OnStar Will Not Power Up

Released 9/12/2016
Tire Performance and Characteristics

Released 8/18/2016
FMVSS Noncompliance Recall - Instrument Panel Cluster Park Brake Tell Tale Lettering Height

Released 8/3/2016
Information on Airbag Warning Lamp Illuminated

Released 8/2/2016
Transport Mode On Message Displayed in Driver Information Center (DIC) and/or Battery Light is Flashing (Follow Procedure as Outlined Below)

Released 7/1/2016
White Cloudy Circles on Exterior of Vehicle

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

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

TSB Description

Released 12/19/2019
Brake Thump Bump Feel or Noise When Braking

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

Released 1/17/2019
Brake Thump Bump Feel or Noise When Braking

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

Released 9/27/2017
Service Update - Engine Control Module Torque Reduction

Released 7/11/2017
During Start Up Forward Collision System Reduced Displayed on DIC

Released 7/11/2017
Brake Thump Bump Feel or Noise When Braking

Released 6/16/2017
Properly Maintaining Vehicles in Dealer Inventory

Released 4/24/2017
2017 Cadillac CT6 Plug In - New Model Features

Released 4/24/2017
Red Brake Light, Stabilitrak and/or Service Vehicle Soon Light On Instrument Panel Cluster (IPC) with a Hard Brake Pedal, DTC P05E0 Set

Released 4/20/2017
Service Soon Message On, Active Rear Steer (ARS) Receives Invalid Data and Sets DTC U0435

Released 4/12/2017
Underbody Component Corrosion

Released 3/17/2017
Brake Squeal or Squeak Noise Intermittently on Initial Brake Applies

Released 2/3/2017
Unwanted Brake Apply In Reverse When Cold

Released 8/18/2016
FMVSS Noncompliance Recall - Instrument Panel Cluster Park Brake Tell Tale Lettering Height

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

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

TSB Description

Released 4/17/2020
Cooling System Contaminated With Engine Oil

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

Released 6/28/2017
Unable to charge the High voltage battery, DTC P1FFE

Released 5/10/2017
Warranty Administration - Automatic Transmission Oil Cooler Flush and Flow Test

Released 3/16/2017
Engineering Information - High Pitch Squeal Noise from Water Pump

Released 3/7/2017
Information on the Use of Stop Leak Additives in the Coolant System

Released 11/7/2016
Engineering Information - High Pitch Squeal Noise from Water Pump

Released 10/27/2016
Engineering Information - HIgh Pitch Squeal Noise from Water Pump

Released 8/26/2016
Service Update - Incorrect Upper Radiator Hose

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

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

TSB Description

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

Released 7/2/2020
Adaptive Cruise Control/ Lane Keep Assist Unavailable

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

Released 3/30/2020
Rear Outboard Heated Seats Inoperative, Possible Dead or Drained Battery

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

Released 11/27/2019
Diagnostic Tip - Cycling Battery Draw Found When Diagnosing Complaint of Dead Battery

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 9/5/2019
Information on CT6 PHEV Drive Motor Battery New Exchange Process

Released 8/20/2019
Adaptive Cruise Temporarily Unavailable or Forward Collision System Unavailable Message - Lane Keep Assist (LKA) Inoperative in High Ambient Temperatures

Released 8/19/2019
GM Wiring Repair Strategy Information

Released 8/7/2019
Adaptive Cruise Temporarily Unavailable Message Lane Keep Assist (LKA) Inoperative in High Ambient Temperatures

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 7/23/2019
Diagnostic Tip For 12 Volt Battery And/Or Hybrid Battery Going Dead Overnight With Or Without DTC P2535

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

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

Released 6/3/2019
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 5/13/2019
EV Range Driving Tips

Released 5/8/2019
Diagnostic Tip - Service Night Vision - Unable to Perform Night Vision Camera Control Module Learn with a Possible Procedure 31 Request out of Range Message

Released 5/6/2019
Clicking, Popping, Tapping, Creaking, Flexing, Rubbing or Rattle Noises from Roof Area During Turns or Driving Over Uneven Pavement

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

Released 4/15/2019
(Hybrid) Emergency First Responder Information

Released 4/15/2019
daptive Cruise Temporarily Unavailable Message Lane Keep Assist (LKA) Inoperative in High Ambient Temperatures

Released 4/1/2019
Diagnostic Tip - Cycling Battery Draw Found When Diagnosing Complaint of Dead Battery

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

Released 4/1/2019
CT6 Drive Motor Battery Charger (OBCM) and Charge Receptacle Restriction Has Ended

Released 3/13/2019
Diagnostic Tip For 12 Volt Battery And/Or Hybrid Battery Going Dead Overnight With Or Without DTC P2535

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

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

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

Released 1/22/2019
Diagnostic Tip - Security Light on Intermittently / No Crank/No Start or Start Stall / Keyless Access Vehicles May Display No Remote/Fob Detected / Poor or No RKE Range / Service TPo

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

Released 1/15/2019
CT6 Drive Motor Battery Charger (OBCM) and Charge Receptacle Restriction

Released 1/2/2019
Lateral Movement or Looseness of Front Seat

Released 12/13/2018
(CT6 PHEV) High Voltage Drive Motor Battery Exchange

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 11/19/2018
Normal Operation of Haptic Seat During Lane Keep Assist Event

Released 11/15/2018
Adaptive Cruise Control/ Lane Keep Assist Unavailable

Released 11/13/2018
Unable to charge the High voltage battery, DTC P1FFE

Released 11/13/2018
Service Engine Soon Light Comes on With All 4 Camshaft Position System Performance DTCs P0011 P0014 P0021 and P0024 Setting.

Released 11/8/2018
Engine Runs Rough with Malfunction Indicator Lamp (MIL) On, Low Compression on Cylinder with Misfire, DTC P0300 Set

Released 10/26/2018
MIL ON - DTC U016B Lost Communication with Electric A/C Compressor Control Module Set and Will Not Clear

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

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

Released 10/22/2018
EV Range Driving Tips

Released 10/12/2018
Accessory Power Module (APM) Restriction

Released 10/12/2018
CT6 Hybrid Powertrain Control Module 2 (HPCM 2) Part Restriction

Released 10/10/2018
Diagnostic Tips - Auto Heated and Auto Heated Ventilated Seat

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

Released 10/8/2018
MIL P2097 LCV (2.5L) LKW (2.5L) LTG (2.0L)

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

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

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 9/11/2018
(CT6 PHEV) High Voltage Drive Motor Battery Exchange

Released 9/5/2018
SES Lamp ON With DTC P0324 - Engine Squeak Or Belt Noise

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

Released 8/22/2018
Poor Range of Garage Door Transmitter

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

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

Released 8/9/2018
2016-2018 CT6 Plug-In Hybrid Certain Instrument Cluster Telltales Not Identified in Owner Manual

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

Released 8/7/2018
Malfuction Indicator Lamp Illuminated - DTC P0172 Set

Released 7/25/2018
Service Engine Soon Light Comes on With All 4 Camshaft Position System Performance DTCs P0011, P0014, P0021 and P0024 Setting.

Released 7/25/2018
Check Engine Light MIL P015B, P1101 and /or P0101 Reduce Engine Power

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

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

Released 6/26/2018
Service Engine Soon Light Comes on With All 4 Camshaft Position System Performance DTCs P0011, P0014, P0021 and P0024 Setting.

Released 6/1/2018
Transport Mode On Message Displayed in DIC and/or Battery Light is Flashing

Released 5/29/2018
Warranty Administration - High Voltage Battery Exchange Process Information

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

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

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

Released 5/7/2018
Service Engine Soon Light Comes on With All 4 Camshaft Position System Performance DTCs P0011, P0014, P0021 and P0024 Setting

Released 4/30/2018
Radio Control (ICS) Display Does Not Remain Off at Times After it Has Been Turned Off in the Radio Settings Menu

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

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

Released 4/3/2018
(CT6 PHEV) High Voltage Drive Motor Battery Exchange and Internal Parts Process

Released 3/27/2018
Transport Mode On Message Displayed in Driver Information Center (DIC) and/or Battery Light is Flashing (Follow Procedure as Outlined Below)

Released 3/16/2018
Phantom Three Beeps or Horn Chirps Heard After Turning Off Vehicle

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 2/7/2018
(CT6 PHEV) High Voltage Drive Motor Battery Exchange and Internal Parts Process

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

Released 2/1/2018
Noncompliance Recall - Instrument Panel Cluster Park Brake Tell Tale Lettering Height

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 11/21/2017
Service Driver Assist System Message with B172E stored in history

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
Memory Mirror Positions Lost and/or Reverse Tilt is Inoperative

Released 11/7/2017
Verifying Odometer Accuracy

Released 10/18/2017
Adaptive Cruise Control/ Lane Keep Assist Unavailable

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 10/2/2017
Adaptive cruise control/ Lane keep assist unavailable

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 8/10/2017
Service Update - Incorrect Passive Entry Passive Start Calibration - Software Only

Released 8/10/2017
Service Update - Incorrect Passive Entry Passive Start Calibration

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

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

Released 7/11/2017
Normal Operation Of Haptic Seat During Lane Keep Assist Event

Released 6/28/2017
Unable to charge the High voltage battery, DTC P1FFE

Released 6/16/2017
Properly Maintaining Vehicles in Dealer Inventory

Released 6/8/2017
Various Vehicle Personalization Selections Missing from Radio Settings Menu That Reappear After Ignition Cycle

Released 5/24/2017
Diagnostic Aids: Adding A Transmitter or Key Without Service Programming System (Quick Learn)

Released 5/24/2017
(CT6 PHEV) High Voltage Drive Motor Battery Exchange and Internal Parts Process

Released 4/24/2017
2017 Cadillac CT6 Plug In - New Model Features

Released 4/6/2017
Warranty Administration - Battery Testing and Warranty Replacement Requirements (North America ONLY)

Released 4/6/2017
Original Equipment Batteries Part Number and ACDelco Replacement Battery Approved Warranty Part Numbers

Released 3/29/2017
Brakes Apply When in Reverse After Vehicle has Cold Soaked in Temperatures Under 50°F (10˚C)

Released 3/28/2017
(HYBRID) No Start, EV, BAS3 eAssist Red Battery Light/Charging System Light On, Malfunction Indicator Lamp (MIL) Illuminated - DTC P1F17 Set

Released 3/20/2017
CT6 Drive Motor Power Inverter Control Module (PIM) Part Restriction

Released 3/20/2017
CT6 Hybrid Powertrain Control Module 2 (HPCM 2) Part Restriction

Released 3/15/2017
Adaptive cruise control/ Lane keep assist unavailable

Released 3/9/2017
CT6 Drive Motor Battery Charger (OBCM) and Charge Receptacle Restriction

Released 3/1/2017
Accessory Power Module (APM) Restriction

Released 2/28/2017
Normal Characteristic - Engine Stops Running After Extended Idle

Released 2/24/2017
Various Vehicle Personalization Selections Missing From The Radio Settings Menu That Reappear After Ignition Cycle

Released 2/3/2017
Unwanted Brake Apply In Reverse When Cold

Released 2/1/2017
Service Update - Front Park/Position Lamp Intensity

Released 1/26/2017
Adaptive Cruise Temporarily Unavailable Message Lane Keep Assist (LKA) Inoperative in High Ambient Temperatures

Released 1/17/2017
Transport Mode On Message Displayed in Driver Information Center (DIC) and/or Battery Light is Flashing (Follow Procedure as Outlined Below)

Released 1/4/2017
TAC Part Restriction for US Dealers - Navigation Radio, Radio, Human Machine Interface, Media Player, Radio Display, and Radio Control/Integrated Center Stack

Released 12/1/2016
Intermittent Operation of Key Fobs, Door Unlock Inoperative “No Remote Detected” Message with Possible TPM MIL

Released 11/29/2016
Weak Battery, Dead Battery and/or Battery Low Start Vehicle Message Displayed

Released 11/18/2016
Normal Operation Of Haptic Seat During Lane Keep Assist Event

Released 11/14/2016
Information on Power On Reset, Battery Learn Procedure No Longer Required

Released 11/7/2016
Transport Mode On Message Displayed in Driver Information Center (DIC) and/or Battery Light is Flashing (Follow Procedure as Outlined Below)

Released 11/1/2016
Service Update - Trunk May Not Open

Released 10/27/2016
Intermittent Operation of Key Fobs, Door Unlock Inoperative “No Remote Detected” Message with Possible BCM DTC B3101 and TPM MIL.

Released 10/24/2016
Original Equipment Batteries Part Number and ACDelco Replacement Battery Approved Warranty Part Numbers

Released 9/23/2016
Information on Rear Window, Door Lock and Seat Power Features Inoperative Due to Activation of Window Lockout

Released 9/16/2016
IPC Odometer Programming Method Quick Reference Guide

Released 9/12/2016
Diagnostic Aids: Adding A Transmitter Without Service Programming System (Quick Learn)

Released 8/31/2016
Service Update - Service Driver Assist Message

Released 8/30/2016
J-35616-64B Terminal Test Probe / Replacement Terminal / Terminated Lead

Released 8/25/2016
Information on Vehicle Time Out for Parasitic Draw Testing

Released 8/3/2016
Blu-ray/CD/DVD player inoperative

Released 8/3/2016
Information on Airbag Warning Lamp Illuminated

Released 5/6/2016
Transport Mode On Message Displayed in Driver Information Center (DIC) and/or Battery Light is Flashing (Follow Procedure as Outlined Below)

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

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

TSB Description

Released 2/23/2018
Stall Hesitation P0068 P0101 P0106 P0131 P0137 P0171 P0324 P0326 P0331 P0506 P2097 PIP5529 LCV LKW LTG Loose Intake Manifold Bolts

Released 9/27/2017
Service Update - Engine Control Module Torque Reduction

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

Released 6/8/2017
PQC Part Restriction - E82 ECM Restriction Part Number 12679078 Has Ended

Released 4/20/2017
PQC Part Restriction Has Ended - E81 ECM Restriction Part Number 12679077

Released 3/10/2017
Security Code Input Message with SPS Error Code E5659, M5304 and/or M5530 During TIS2web Programming

Released 3/9/2017
PQC Part Restriction - E82 ECM Restriction Part Number 12679078

Released 3/8/2017
TAC Part Restriction - E80 ECM Restriction for Part Numbers 12669908 12672502 has ended

Released 1/25/2017
Outside Temperature Displayed Takes Long Time to Update After Initial Startup, Malfunction Indicator Lamp (MIL) Illuminated - DTC P0234, P05Cc, P05Cd, P05Ce, P05Cf Set

Released 10/12/2016
Remote Start Inoperative, Malfunction Indicator Lamp Illuminated with Possible DTC P0132 and/or P223E

Released 7/19/2016
PQC Part Restriction - E82 ECM Restriction Part Number 12679078

Released 5/23/2016
PQC Part Restriction - E81 ECM Restriction Part Numbers 12668693 and 12679077

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

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

TSB Description

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 4/25/2017
SES Light with Fuel Trim and or Oxygen Sensor Codes

Released 4/12/2017
Underbody Component Corrosion

Released 7/2/2020
Fluid In Spark Plug Tubes

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

TSB Description

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

Released 10/22/2019
Check Engine Light MIL P015B, P1101 and /or P0101 Reduce Engine Power

Released 9/6/2019
Stall Hesitation P0068 P0101 P0106 P0131 P0137 P0171 P0324 P0326 P0331 P0506 CV LKW LTG Loose Intake Manifold Bolts

Released 6/26/2019
TOP TIER Detergent Gasoline and TOP TIER Diesel Fuel Information and Licensed Brands

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

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

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

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

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

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

Released 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 11/30/2017
MIL P2097 LCV LKW LTG

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 9/28/2017
Check Engine Light MIL P015B, P1101 and /or P0101 Reduce Engine Power

Released 8/30/2017
Service Update - Fuel Recommendation Door Labels Missing

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

Released 7/18/2017
Stalling - Hesitation - Lack Of Performance P018B And/Or P2635 Setting In High Ambient Temperatures

Released 6/19/2017
Check Engine Light MIL P015B, P1101 and /or P0101 Reduce Engine Power

Released 6/16/2017
Properly Maintaining Vehicles in Dealer Inventory

Released 6/12/2017
LGW Turbocharger Replacement Restriction

Released 5/24/2017
Diagnostic Aids: Adding A Transmitter or Key Without Service Programming System (Quick Learn)

Released 4/24/2017
2017 Cadillac CT6 Plug In - New Model Features

Released 11/18/2016
MIL On With Loss Of Power and/or Stall Concern With P0641 Set and Various Other Codes.

Released 9/19/2016
Damaged, Disassembled or Improperly Packaged Turbochargers Returned to Warranty Parts Center

Released 9/1/2016
Fuel and Oil Additives - Facts and Myths - Maximizing Gasoline Fuel Economy

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

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

TSB Description

Released 10/26/2018
MIL ON - DTC U016B Lost Communication with Electric A/C Compressor Control Module Set and Will Not Clear

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 3/23/2018
Diagnostic Tip for Decreased Air Flow Coming Out from the Front Instrument Panel Outer Air Outlet Vents While Driving

Released 10/2/2017
Decreased Air Flow From Vents After Extended Drive With Air Conditioning On

Released 6/14/2017
Air Conditioning Odor (Install Evaporator Core Dryer Kit and Apply Cooling Coil Coating)

Released 4/24/2017
2017 Cadillac CT6 Plug In - New Model Features

Released 2/24/2017
Various Vehicle Personalization Selections Missing From The Radio Settings Menu That Reappear After Ignition Cycle

Released 11/22/2016
Loss of Driver and/or Passenger Front HVAC Floor Duct Airflow, Popping Noise from Instrument Panel (IP) Area

Released 11/15/2016
HVAC Pop-Up On Radio Display Blank Intermittently or Various Vehicle Personalization Selections Missing From The Radio Settings Menu That Reappear After Ignition Cycle

Released 10/7/2016
Information on New Refrigerant (R-1234yf) for A/C Service

Released 6/14/2016
Visible Oil On Hybrid Air Conditioning Compressor Module (ACCM) – Should Not be interpreted as a Refrigerant Leak

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

Released 10/8/2020
Misfire Template

TSB Description

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

Released 6/10/2020
Service Update - Drive Motor Power Inverter Module

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 5/5/2020
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 4/3/2020
P06DE P0521 Low Oil Pressure Piston Oil Nozzle Squirter Parts Found In Oil Pan

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

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 10/9/2019
Information on Engine Oil Consumption Guidelines

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 9/6/2019
Stall Hesitation P0068 P0101 P0106 P0131 P0137 P0171 P0324 P0326 P0331 P0506 CV LKW LTG Loose Intake Manifold Bolts

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 8/19/2019
Service Update Bulletin - Torque Converter Shudder/Shake

Released 8/15/2019
Engine Replacement After Severe Internal Engine Damage - Replace Intake Manifold

Released 8/13/2019
Information on Internal Engine Noise or Damage After Oil Filter Replacement

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

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

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

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

Released 7/1/2019
Normal Characteristic - Engine Stops Running after Extended Idle

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 6/7/2019
Limited Vehicle Speed, Malfunction Indicator Lamp (MIL) Illuminated - DTC P07A7

Released 5/23/2019
Whine Howl Noise From Under Center Of Vehicle

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

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

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
Manual Transmission Operating Characteristics

Released 4/1/2019
CT6 Drive Motor Power Inverter Control Module (PIM) Part Restriction Has Ended

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

Released 2/27/2019
Service Engine Soon Light on Possible Driveability Concerns With All 4 or Pairs of Camshaft Position System Performance DTCs P0011 P0014 P0021 and P0024

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

Released 2/18/2019
Misfire Template

Released 2/13/2019
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 2/4/2019
Information on Improved Replacement Spin-On Oil Filter UPF63R for High Feature V6 Engines

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 1/9/2019
Service Engine Soon Light Comes on With All 4 Camshaft Position System Performance DTCs P0011 P0014 P0021 and P0024 Setting.

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

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

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

Released 11/13/2018
Unable to charge the High voltage battery, DTC P1FFE

Released 11/5/2018
Light Tap or Knock Noise From Engine When Hot

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

Released 10/29/2018
Creak or Rattle Type Noise from Front of Vehicle

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 10/11/2018
Non Compliance - Adhesive on Child Seat Anchor

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

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

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

Released 8/22/2018
Hoot, Whine, Buzz, Hiss Noise Coming from Vehicle After Engine is Shut Off

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
Misfire with DTC’s P0300, P0301-P0306

Released 8/8/2018
Fluid In Spark Plug Tubes

Released 7/25/2018
Service Engine Soon Light Comes on With All 4 Camshaft Position System Performance DTCs P0011, P0014, P0021 and P0024 Setting.

Released 7/25/2018
Check Engine Light MIL P015B, P1101 and /or P0101 Reduce Engine Power

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 7/16/2018
Metal Shavings In The Oil Filter On First Oil Change

Released 6/26/2018
Oil Leak from Oil Pan Area

Released 5/17/2018
CT6 4EL70 Hybrid Transmission and Component Restriction Program

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

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

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

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

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

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

Released 2/28/2018
Stall Hesitation P0068 P0101 P0106 P0131 P0137 P0171 P0324 P0326 P0331 P0506 PIP5529A LCV LKW LTG Loose Intake Manifold Bolts

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 1/30/2018
Normal Characteristic - Engine Stops Running After Extended Idle

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 12/15/2017
Information on Correct Fluid for Bolt EV, Spark EV and Cadillac CT6 PHEV Hybrid Electric Drive Units (Transmissions)

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 11/8/2017
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 10/4/2017
Engineering Information - Torque Converter Shudder

Released 9/27/2017
Service Update - Engine Control Module Torque Reduction

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

Released 8/24/2017
Loud Noise, Malfunction Indicator Lamp Illuminated, and/or No Start with DTC P0016, P0017, P0018, or P0019 Set

Released 8/21/2017
Alleged Cylinders Out Of Round

Released 8/3/2017
Misfire with DTCs P0300, P0301-P0306

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

Released 6/30/2017
Misfire with DTCs P0300, P0301-P0306

Released 6/12/2017
PQC Part Restriction On The T87A Transmission Control Module Has Ended

Released 6/8/2017
Engine Replacement Recommendations for HFV6 Gen 1 and Gen 2

Released 6/8/2017
PQC Part Restriction - E82 ECM Restriction Part Number 12679078 Has Ended

Released 6/8/2017
Misfire with DTCs P0300, P0301-P0306

Released 5/11/2017
Engineering Information - Oil Leak Between Upper and Lower Oil Pan

Released 5/10/2017
Warranty Administration - Automatic Transmission Oil Cooler Flush and Flow Test

Released 5/3/2017
Harsh Shift, Delayed Shift, Unwanted Downshift, Transmission Stuck in One Gear, Erratic Shifting, Hesitation or Have a Malfunction Indicator Lamp (MIL) Illuminated - DTC P0747, P0777, P0797, P2715 or P2724 May Be Set Current or History in Transmission Con

Released 4/27/2017
Misfire with DTC's P0300, P0301-P0306

Released 4/25/2017
SES Light with Fuel Trim and or Oxygen Sensor Codes

Released 4/24/2017
2017 Cadillac CT6 Plug In - New Model Features

Released 4/21/2017
No Propulsion, Malfunction Indicator Lamp, Battery Cut Off Indicator, and Shift to Park Messages, with DTC P0A5E, P0A61, P0A64, P0A67, P0A6A, or P0A6D Set

Released 4/20/2017
PQC Part Restriction Has Ended - E81 ECM Restriction Part Number 12679077

Released 4/12/2017
Underbody Component Corrosion

Released 4/7/2017
Engineering Information - Torque Converter Shudder

Released 3/31/2017
Snapping/Ticking Noise and/or Spark from Harmonic Balancer

Released 3/30/2017
Information on Engine Oil Requirements for LTG 2.0L Turbocharged Engine

Released 3/29/2017
Information on Driveline Clunk Noise

Released 3/24/2017
Normal Characteristic - Sag Or Hesitation On Acceleration

Released 3/23/2017
Service Update - 8-Speed Transmission Check Engine Light

Released 3/16/2017
Ticking, Tap, or Rattle Noise From Engine With Possible Misfire DTCs

Released 3/14/2017
Remove Bolt Retainer Prior to Camshaft Actuator Solenoid Installation

Released 3/10/2017
Security Code Input Message with SPS Error Code E5659, M5304 and/or M5530 During TIS2web Programming

Released 3/9/2017
PQC Part Restriction - E82 ECM Restriction Part Number 12679078

Released 3/9/2017
Engineering Information - Oil Leak Between Upper and Lower Oil Pan

Released 3/8/2017
TAC Part Restriction - E80 ECM Restriction for Part Numbers 12669908 12672502 has ended

Released 2/28/2017
3.0 Twin TurboCharged Engine Exchange Program Ended

Released 2/28/2017
Normal Characteristic - Engine Stops Running After Extended Idle

Released 2/23/2017
CT6 4EL70 Hybrid Transmission and Component Restriction Program

Released 2/16/2017
Cylinder Head Gasket Damage

Released 1/25/2017
Outside Temperature Displayed Takes Long Time to Update After Initial Startup, Malfunction Indicator Lamp (MIL) Illuminated - DTC P0234, P05Cc, P05Cd, P05Ce, P05Cf Set

Released 11/15/2016
Alleged Cylinders Out Of Round

Released 10/27/2016
Information on Slight Vehicle Movement in Park at Start Up After Cold Soak

Released 10/12/2016
Remote Start Inoperative, Malfunction Indicator Lamp Illuminated with Possible DTC P0132 and/or P223E

Released 9/30/2016
Illuminated MIL DTC P0747 Or P0796 May Be Set As An Active Or History Code In The TCM

Released 9/23/2016
Illuminated MIL DTC P0747 or P0796 may be Set as an Active or History Code in the TCM

Released 9/2/2016
3.0 Twin Turbo Charged Engine Exchange Program

Released 8/29/2016
Engine Repair Tip for Installation of Pistons

Released 8/3/2016
2016 Cadillac CT6 with a whine howl noise from under center of vehicle

Released 7/19/2016
PQC Part Restriction - E82 ECM Restriction Part Number 12679078

Released 7/11/2016
PQC Part Restriction T87A Transmission Control Module

Released 5/23/2016
PQC Part Restriction - E81 ECM Restriction Part Numbers 12668693 and 12679077

Released 2/1/2018
Noncompliance Recall - Instrument Panel Cluster Park Brake Tell Tale Lettering Height

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

TSB Description

Released 3/15/2017
Warranty Administration - Field Action Courtesy Transportation Policy

Released 2/16/2017
Cylinder Head Gasket Damage

Released 9/23/2016
Safety Recall - Front Passenger Seat Belt Missing Bolt

Released 8/18/2016
FMVSS Noncompliance Recall - Instrument Panel Cluster Park Brake Tell Tale Lettering Height

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

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

TSB Description

Released 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 9/4/2019
Front Park Assist Indicates Object Detected When in a Reverse Turn With Wheels Turned at or Near Lock

Released 7/29/2019
Front Park Assist Indicates Object Detected When in a Reverse Turn With Wheels Turned at or Near Lock

Released 7/24/2019
Front Park Assist Indicates Object Detected When In A Reverse Turn With Wheels Turned At Or Near Lock

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

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

Released 3/22/2019
Information on Vehicle Pulls to the Left or Right When Regenerative Braking Paddle Applied and/or When Brake Pedal Applied

Released 3/6/2019
Information on P80 Lubricant for Front Stabilizer Shaft

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 10/29/2018
Creak or Rattle Type Noise from Front of Vehicle

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 11/29/2017
Clicking and/or Popping Noise While Turning Steering Wheel Lock to Lock

Released 6/16/2017
Properly Maintaining Vehicles in Dealer Inventory

Released 4/19/2017
Non-Design Intent Wheel Lock Nuts and Lug Nuts

Released 4/12/2017
Underbody Component Corrosion

Released 3/17/2017
Power Steering Fluid Leak at Fluid Reservoir or Reservoir Connection

Released 1/13/2017
Driving Characteristics of Rear Wheel Drive Vehicles and Available Winter Tires

Released 12/9/2016
GM of Canada New Vehicle Tire Warranty Program and GWM Transaction Submission Information

Released 11/9/2016
GM of Canada New Vehicle Tire Warranty Program and GWM Transaction Submission Information

Released 11/7/2016
Warranty Administration - General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only)

Released 10/18/2016
GM of Canada New Vehicle Tire Warranty Program and GWM Transaction Submission Information

Released 9/12/2016
Tire Performance and Characteristics

Released 9/1/2016
Fuel and Oil Additives - Facts and Myths - Maximizing Gasoline Fuel Economy

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

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

TSB Description

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 10/8/2018
PAC Courtesy Transportation Assistance Program

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

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

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

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

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

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

Released 2/26/2018
Diagnostic Tip: EL-51578 MOST Bus Diagnostic Tool Kit

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

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

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

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

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

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

Released 7/25/2017
Warranty Administration - Required Operating Procedures (U.S. Only)

Released 6/23/2017
Warranty Administration - Courtesy Transportation and Roadside Assistance Programs

Released 6/22/2017
Interior Cleaning -- Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer --Product Availability

Released 6/8/2017
New Vehicle Pre-Delivery Inspection (PDI) - Delivering Quality Vehicles and Generating Higher CSi Scores

Released 6/2/2017
Concerns Or Questions Regarding Installation Of Dealer Installed Accessories

Released 4/28/2017
Wireless Charging Module Diagnosis

Released 4/6/2017
Warranty Administration - Battery Testing and Warranty Replacement Requirements (North America ONLY)

Released 4/6/2017
Original Equipment Batteries Part Number and ACDelco Replacement Battery Approved Warranty Part Numbers

Released 3/15/2017
Warranty Administration - Field Action Courtesy Transportation Policy

Released 3/15/2017
Procedure For Emailing Global Diagnostic System 2 (GDS2) Session Log To GM TAC (US and Canada Dealers Only)

Released 2/13/2017
Wireless Charging Module Diagnosis

Released 12/14/2016
Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information

Released 11/18/2016
Concerns Or Questions Regarding Installation Of Dealer Installed Accessories

Released 11/14/2016
Warranty Administration - Change in Product Field Action Customer Reimbursement Procedure (U.S. Dealers Only)

Released 11/1/2016
Warranty Administration - Updated - Dealer Empowerment Labor Operations and Customer Enthusiasm (U.S. Only)

Released 9/19/2016
Comeback Prevention Information and Using Customer Concern Verification Sheets (CCVS)

Released 9/13/2016
Diagnostic Tip: EL-51578 MOST Bus Diagnostic Tool Kit

Released 7/1/2016
White Cloudy Circles on Exterior of Vehicle

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