TechLink – Page 4

New 12V Battery Ratings Chart for the 2026 Model Year

The latest Original Equipment (OE) Battery Ratings chart for the 2026 model year is now available under the Reference Charts menu for use when testing OE batteries. (Fig. 5) […]

September 18, 2025 —

GM Service Know-How Emerging Issues

The monthly GM Service Know-How Emerging Issues seminars provide service/technical information on current issues and GM-certified repairs. This month the seminar highlights 10L1000 transmission valve body repair. (Fig. 8) […]

September 18, 2025 —

Enhancing Diagnostic Accuracy with Thermal Imaging — New Essential Tool Shipping to Dealerships

Thermal imaging was once reserved for specialty diagnostics, but it’s now becoming an accessible and valuable tool in dealership service bays. The GM-60503 Thermal Imaging Camera, a new GM Essential […]

August 29, 2025 —

EV Reduced Acceleration Conditions

A reduced acceleration message may be displayed along with limited propulsion power under certain operating conditions on some 2022-2026 HUMMER EV, BrightDrop models; 2023-2026 LYRIQ; 2024-2026 Blazer EV, Silverado EV, […]

August 29, 2025 —

Incorrect Brake Pedal Position Sensor Signal Input

Some 2012-2019 Cruze; 2012-2020 Regal; and 2012-2025 Malibu, Equinox and Terrain models may experience low or reduced power under acceleration. DTCs P057B (Brake Pedal Position Sensor Performance), P057C (Brake Pedal […]

August 29, 2025 —

Serial Data Authentication Configuration After Programming a Control Module

After replacing a module on a GM model equipped with the Vehicle Intelligence Platform (VIP), several possible concerns may occur. These include: Serial Data Authentication Configuration fails to complete. DTC […]

August 29, 2025 —

August Service Newsletter from the Experts at GM TAC

The latest diagnostic assistance from the professionals at the GM Technical Assistance Center is now available in the August GM Technical Assistance Center (TAC) Newsletter. It covers a number of […]

August 29, 2025 —

CX Connect Case Creation Tips

The new CX Connect platform (U.S. only), the dealer-facing case system that replaces Dealer Self-Service (DSS) and Advisor Workbench/Siebel, changes how technicians manage all case types to the Technical Assistance Center […]

August 25, 2025 —

New Diagnostic Strategy: Reprogram Control Modules Before Replacement

As Over-the-Air (OTA) updates and Vehicle-Wide-Programming become more commonplace on GM vehicles, a new diagnostic strategy is being implemented to better address performance concerns related to control module updates and […]

August 22, 2025 —

Corvette Center Console Latch Pushbutton Replacement

The center console compartment release button on some 2023-2025 Corvette models (Fig. 3) may become stuck in the depressed position or may extend out of the console compartment. If these […]

August 22, 2025 —

New Dash Cover Addresses Windshield Glare

While driving into direct sunlight or under street lights at night, some drivers of 2024-2025 Equinox EV models (Fig. 7) may notice glare from the dash reflected onto the windshield. […]

August 22, 2025 —

The Info on Dealer Information — Choosing the Right Contact for Service Department Concerns

In an effort to get the most useful information to dealerships, the GM Technical Assistance Center (TAC) has released an updated list of organizational contacts for service departments. (Fig. 12) […]

August 22, 2025 —

GM Service Know-How Emerging Issues

The monthly GM Service Know-How Emerging Issues seminars provide service/technical information on current issues and GM-certified repairs. This month the seminar reviews how to diagnose HVAC leaks. (Fig. 13) […]

August 22, 2025 —

Learn More About CX Connect – New System Going Live Soon

The launch of CX Connect, GM’s new Dealer Case Management system (U.S. only), is just around the corner, going live on August 11, 2025. The new CX Connect platform (Fig. […]

August 8, 2025 —