The GM Field Service Engineer (FSE) Technician Recognition Awards (U.S.) celebrate the skill and dedication of dealership technicians who have recently worked with FSEs on challenging repairs. Technicians at GM […]
Designed to recognize and reward dealership technicians for their technical training achievements, the Technician Excellence Program (U.S.) has kicked off enrollment for the 2026 program year. Enrollment takes place through […]
The GM Accessory Rocker Panel Molding Ground Lamps (PN 85155377) may not illuminate after installation on some 2024-2026 Silverado EV and Sierra EV models. (Fig. 3) Fig. 3 The exterior […]
Before replacing the heated steering wheel on some 2021-2022 CT4, CT5; 2022 Enclave, XT5, XT6, Blazer, Silverado 1500 LTD, Silverado 2500HD/3500HD, Tahoe, Suburban, Traverse, Acadia, Sierra 1500 Limited, Sierra 2500HD/3500HD, […]
Some 2022-2025 Silverado 1500, Sierra 1500; 2024-2025 Silverado 2500HD/3500HD and Sierra 2500HD/3500HD trucks may have a bubbling or delaminating condition on the wood trim of the door panel. (Fig. 10) […]
The monthly GM Service Know-How Emerging Issues seminars provide service/technical information on current issues and GM-certified repairs. This month the seminar takes a look at how to correct outside door […]
The latest diagnostic assistance from the professionals at the GM Technical Assistance Center is now available in the November GM Technical Assistance Center (TAC) Newsletter. It covers a number of […]
The Labor Time Group is responsible for warranty repair time studies, accessories and Pre-Delivery Inspections (PDI). Labor time studies are completed for new vehicles as well as new service procedures […]
There may be several audio system conditions on some 2022-2024 Tahoe, Suburban, Yukon; 2022-2025 HUMMER EV; 2022-2026 Silverado 1500, Sierra 1500; 2023 BrightDrop; 2024-2025 Corvette; 2024-2026 Silverado 2500HD/3500HD and Sierra […]
All buttons on one key fob (Remote Keyless Entry transmitter) may be inoperative on some 2023-2026 Escalade, LYRIQ, Corvette, Silverado 1500, Silverado 2500HD/3500HD, Tahoe, Suburban, Sierra 1500, Sierra 2500HD/3500HD, Yukon; […]
The latest CX Connect release includes a number of enhancements and updates that are designed to increase the functionality of the app and make it easier to use. VIN […]
The new SAVI Manager v2.29.0 release provides an update to address USB driver failure. The latest release will correct the issue of the Quectal driver failing to install by automatically […]
GM diagnostic strategy does not support the practice of swapping control modules during the course of diagnosis or to expedite a repair. Features in today’s vehicles are increasingly software configurable. […]
The monthly GM Service Know-How Emerging Issues seminars provide service/technical information on current issues and GM-certified repairs. This month the seminar uses the new GE-60503 Thermal Imaging Camera for leak […]
Harsh Garage Shift into Drive or Reverse on Envista and Trax Models
Safety Arc-Rated Personal Protection Equipment for Electric Vehicles
Engine Oil Capacities Chart for the 2026 Model Year
2026 Corvette ZR1X TAC Action Center
Blank Screen Display Diagnostic Tips
Make a Reservation to Meet with Your FSEs in 2026
GM Introduces Digital Key, Offering Convenience and Easy Access
Key Cards Put Vehicle Access in Your Wallet
New 2026 Corvette ZR1X Delivers Twin-Turbo AWD Hypercar Performance
MDI 2 Manager Update Adds Support for New Wireless Dongles
Latest CX Connect Update Delivers Streamlined Operation and Enhanced Search Functions
GM Service Know-How Emerging Issues
Engine Control Module Diagnosis and ECM Part Restriction
Front Brake Caliper Sound and Uneven Pad Wear
3rd-Row Seat Switch Diagnosis
Check Ground Terminals for Transmission Fluid Temperature Sensor Circuit Condition
December Service Newsletter from the Experts at GM TAC
FSE Technician Recognition Awards – 4th Quarter 2025DCA-8000
Troubleshooting
Guide
TAC Newsletter February 2026
TAC Newsletter January 2026
Techline Connect Tips November 2024
CX Connect Case Creation Help + Tips and Tricks
Safety Arc-Rated (AR) Personal Protection Equipment (PPE) is recommended to be used by technicians when servicing some high-voltage battery packs under certain scenarios on GM electric vehicles. The PPE that […]
GM diagnostic strategy does not support the practice of swapping control modules during the course of diagnosis or to expedite a repair. Features in today’s vehicles are increasingly software configurable. […]
Take a detailed look at a wide range of innovative features and advanced systems found on GM vehicles to gain a better understanding of proper operation. Each short video reviews how a feature works, highlights operating tips and shows ways to customize settings, if applicable.
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