Get Free 2018 GMC SAVANA L4, 2.8L; DOHC; 16V; DI; Diesel; Turbo TSBs

Released 7/23/2020
LIN Bus Diagnostic Information

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

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

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

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

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

Released 5/7/2020
New Vehicle Pre-Delivery Inspection (PDI) - Delivering Quality Vehicles and Generating Higher CSi Scores

Released 5/6/2020
Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability

Released 4/14/2020
Underbody Component Corrosion

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

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

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

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

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

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

Released 12/10/2019
Information on Removing Protective Film Bumper Covers Upon Delivery of Vehicle (PDI)

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

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

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

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

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

Released 8/19/2019
GM Wiring Repair Strategy Information

Released 7/16/2019
Noncompliance Recall - Incorrect Rear Quarter Glass

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

Released 6/21/2019
Noncompliance Recall - Incorrect Rear Quarter Glass

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 5/17/2019
Oil Life Monitor Engine Control Module Update

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

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

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

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

Released 3/28/2019
Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information

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

Released 3/25/2019
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 3/6/2019
Verifying Odometer Accuracy

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

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

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
Use of Dealer Case Management (DCM) and Technician Preparedness for Contacting U.S. Technical Assistance (TAC)

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

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

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

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

Released 1/2/2019
Photographing Various Vehicle Concerns and Submitting Them to the GM Technical Assistance Center (TAC)

Released 12/21/2018
Warranty Administration - Customer Concern Not Duplicated (CCND) Labor Operation Numbers

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

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

Released 12/13/2018
Available Stop And Turn Lamp Options/Diagnostic Information

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

Released 12/12/2018
Information on Removing Protective Film Bumper Covers Upon Delivery of Vehicle (PDI)

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
Requirements For OnStar Over The Air Programming And Updates

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

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

Released 11/12/2018
Diagnostic Tip - Unable to Change HVAC Mode Defrost or Recirc Position

Released 11/7/2018
Safety Recall - Rear HVAC Controller Fire

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

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

Released 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 10/24/2018
Customer Satisfaction Program - Erratic Wheel Speed Sensor Signal

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

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

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

Released 10/15/2018
SES Light, Misfire, DTC P0300, And/or A Chirp, Squeak, Squeal, Or Tick Noise - Potential

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

Released 10/9/2018
Customer Satisfaction Program - Vehicle Speed Not Limited Per Documentation

Released 10/8/2018
PAC Courtesy Transportation Assistance Program

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 10/3/2018
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
Safety - Kidde Fire Extinguisher

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

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
Variable Diagnostic Time Allowances (U.S. Only)

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

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

Released 8/22/2018
Engineering Information — Drivers Door Window Glass Out of Channel and/or Inoperative

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

Released 8/22/2018
Hem Flange Rust Repair

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

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

Released 8/22/2018
Adding Cruise Control (RPO K34)

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

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

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

Released 8/21/2018
ABS Light On, Service Stabilitrak Message Displayed on Driver Information Center (DIC) - DTC C0050 Set

Released 8/14/2018
Noncompliance Recall - Tire Pressure Monitoring System Not Properly Calibrated

Released 8/14/2018
Surge, Chuggle, Misfire, Fishbite, Shudder Feel During Driving Maneuvers

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
Diagnostic Tip - Diesel Exhaust Fluid System Contamination

Released 8/2/2018
Higher Than Expected Oil Consumption at 8600 GVW and Above

Released 8/2/2018
Noncompliance Recall - Tire Pressure Monitoring System Not Properly Calibrated

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

Released 7/27/2018
Headlamps Not Bright Enough When High Beams Selected, Only Partial Illumination of Lamps

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 7/18/2018
Intermittent Antilock Brake System (ABS) Light and Service StabiliTrak Message with Dual Rear Wheels

Released 7/16/2018
Random Bump Chuggle or Fishbite Sensation While Cruising At Approximately 1,300 RPM

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

Released 6/26/2018
Intermittent Service Traction Control System (TCS)/StabiliTrak Light With Dual Rear Wheels

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
6.0L Engine Noise and/or Misfire

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

Released 5/31/2018
Squeak Noise from Rear of Vehicle (Lubricate Rear Leaf Springs)

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

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

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

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

Released 4/27/2018
Safety - Kidde Fire Extinguisher

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 4/13/2018
Diagnostic Tip - School Bus Brake Warning System RPO UJ1 Functional Test And Diagnostics

Released 4/13/2018
Service Update - HVAC Plenum Water Leak

Released 4/13/2018
Clarification Of RAP Operation

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

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

Released 3/28/2018
Engineering Information — Drivers Door Window Glass Out of Channel and/or Inoperative

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

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

Released 3/5/2018
Fleet Key Option - Adding Keys / Converting

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

Released 2/22/2018
No Start, Hard Start with Belt Squeal, Belt Break, Loss of Power Steering and/or Power Brake Assist

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

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

Released 12/4/2017
Engineering Information - California Only - Pilot Initiative - Urgent Service Action Required

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

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

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

Released 7/21/2017
Information on Removing Protective Film Bumper Covers Upon Delivery of Vehicle (PDI)

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

Released 4/6/2020
Diagnostic Tip - School Bus Brake Warning System RPO UJ1 Functional Test and Diagnostics

Released 6/24/2019
Brake Pedal Moves or Self Applies at Full Turns

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

Released 5/13/2019
Brake Pedal Moves or Self Applies at Full Turns

Released 12/13/2018
Diagnostic Tip - School Bus Brake Warning System RPO UJ1 Functional Test And Diagnostics

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

Released 7/18/2018
Intermittent Antilock Brake System (ABS) Light and Service StabiliTrak Message with Dual Rear Wheels

Released 4/13/2018
Diagnostic Tip - School Bus Brake Warning System RPO UJ1 Functional Test And Diagnostics

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

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

Released 7/6/2020
Customer Satisfaction Program - Misrouted Chassis Harness

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 4/2/2020
Available Stop and Turn Lamp Options/Diagnostic Information

Released 3/26/2020
Adding Cruise Control (RPO K34)

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

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

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

Released 10/22/2019
Binding and/or Clunking Noise Heard While Operating the Front Door Windows

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

Released 8/19/2019
GM Wiring Repair Strategy Information

Released 7/30/2019
LIN Bus Diagnostic Information

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

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

Released 6/6/2019
Customer Satisfaction Program - Incorrect Rear Quarter Glass Panel Owner Manual Information – Canada Only

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

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

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

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

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

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

Released 12/13/2018
Available Stop And Turn Lamp Options/Diagnostic Information

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

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

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

Released 10/24/2018
Customer Satisfaction Program - Erratic Wheel Speed Sensor Signal

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

Released 10/9/2018
Customer Satisfaction Program - Vehicle Speed Not Limited Per Documentation

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 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
Variable Diagnostic Time Allowances (U.S. Only)

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

Released 8/22/2018
Engineering Information — Drivers Door Window Glass Out of Channel and/or Inoperative

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

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
Adding Cruise Control (RPO K34)

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

Released 8/21/2018
ABS Light On, Service Stabilitrak Message Displayed on Driver Information Center (DIC) - DTC C0050 Set

Released 8/14/2018
Noncompliance Recall - Tire Pressure Monitoring System Not Properly Calibrated

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 7/27/2018
Headlamps Not Bright Enough When High Beams Selected, Only Partial Illumination of Lamps

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 7/18/2018
Intermittent Antilock Brake System (ABS) Light and Service StabiliTrak Message with Dual Rear Wheels

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

Released 6/19/2018
6.0L Engine Noise and/or Misfire

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

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

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 4/13/2018
Diagnostic Tip - School Bus Brake Warning System RPO UJ1 Functional Test And Diagnostics

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

Released 3/28/2018
Engineering Information — Drivers Door Window Glass Out of Channel and/or Inoperative

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

Released 2/22/2018
No Start, Hard Start with Belt Squeal, Belt Break, Loss of Power Steering and/or Power Brake Assist

Released 2/21/2018
Service Update Bulletin - Rear Turn Signals Illuminate When Brakes Are Applied

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

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

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

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

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 3/5/2018
Fleet Key Option - Adding Keys / Converting

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 11/20/2019
Diagnostic Tip - Unable to Change HVAC Mode Defrost or Recirc Position

Released 8/13/2019
Air Conditioning Blows Cold then Warm, Intermittently

Released 11/12/2018
Diagnostic Tip - Unable to Change HVAC Mode Defrost or Recirc Position

Released 11/7/2018
Safety Recall - Rear HVAC Controller Fire

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

Released 10/8/2020
Misfire Template

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

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

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

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

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

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

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

Released 5/28/2020
Higher Than Expected Oil Consumption at 8600 GVW and Above

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

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

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

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

Released 1/10/2020
Diagnostic Tips for Engine Vibration

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

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

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

Released 10/29/2019
Information on Driveline Clunk Noise

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

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
Diagnostic Tip on Misfire, Chirp, Squeak, Squeal or Tick Noise, Malfunction Indicator Lamp (MIL) Illuminated - DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307 and/or P0308 Set

Released 9/17/2019
6.0L Engine Noise and/or Misfire

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

Released 8/20/2019
6.0L Engine Noise and/or Misfire

Released 8/19/2019
GM Wiring Repair Strategy Information

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

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

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

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

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

Released 5/17/2019
Oil Life Monitor Engine Control Module Update

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

Released 4/2/2019
Manual Transmission Operating Characteristics

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 2/18/2019
Misfire Template

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

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

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

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

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

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

Released 10/15/2018
SES Light, Misfire, DTC P0300, And/or A Chirp, Squeak, Squeal, Or Tick Noise - Potential

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

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

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

Released 8/14/2018
Surge, Chuggle, Misfire, Fishbite, Shudder Feel During Driving Maneuvers

Released 8/8/2018
Alleged Cylinders Out Of Round

Released 8/2/2018
Higher Than Expected Oil Consumption at 8600 GVW and Above

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 7/16/2018
Random Bump Chuggle or Fishbite Sensation While Cruising At Approximately 1,300 RPM

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

Released 6/26/2018
Intermittent Service Traction Control System (TCS)/StabiliTrak Light With Dual Rear Wheels

Released 6/19/2018
6.0L Engine Noise and/or Misfire

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

Released 4/13/2018
Service Update - HVAC Plenum Water Leak

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

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 9/27/2017
6.0L Engine Noise and/or Misfire

Released 7/28/2017
2.8L Diesel Engine (LWN) Engine Exchange Program

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

Released 6/26/2020
Brake Pedal Moves or Self Applies at Full Turns

Released 6/5/2020
Power Steering Noise or Fluid Leak from Power Steering Pump, Gear or High Pressure Hose During Extreme Low Temperature Operation (Replace Power Steering Fluid)

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 10/31/2019
Squeak Noise from Rear of Vehicle (Lubricate Rear Leaf Springs)

Released 6/24/2019
Brake Pedal Moves or Self Applies at Full Turns

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

Released 6/13/2019
Squeak Noise from Rear of Vehicle (Lubricate Rear Leaf Springs)

Released 5/13/2019
Brake Pedal Moves or Self Applies at Full Turns

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 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 8/14/2018
Noncompliance Recall - Tire Pressure Monitoring System Not Properly Calibrated

Released 8/2/2018
Noncompliance Recall - Tire Pressure Monitoring System Not Properly Calibrated

Released 6/26/2018
Intermittent Service Traction Control System (TCS)/StabiliTrak Light With Dual Rear Wheels

Released 5/31/2018
Squeak Noise from Rear of Vehicle (Lubricate Rear Leaf Springs)

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

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 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 10/3/2018
Safety - Kidde Fire Extinguisher

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
Warranty Administration - Required Operating Procedures (U.S. Only)

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

Released 4/13/2018
Clarification Of RAP Operation

Released 12/4/2017
Engineering Information - California Only - Pilot Initiative - Urgent Service Action Required

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