February 2025 – TechLink

Archive for February, 2025

Windshield Wiper Arms Interference

2024-2025 Equinox EV and 2025 OPTIQ models feature large, overlapping windshield wipers that provide a clear view of the road ahead for drivers. If the wiper arms are not aligned […]

February 26, 2025 —

Roof Panel Pop Sound

When driving through an automatic car wash, a loud pop (oil canning) sound may be heard on some 2023-2025 Colorado and Canyon trucks. The pop sound may be the roof […]

February 26, 2025 —

Guidelines for Successful Installation of GM Accessories

Before installing a variety of GM Accessories, such as keyless entry, upsize wheels and tires, lights/cargo lamps and others, on GM vehicles, it’s important to check for vehicle compatibility, if […]

February 26, 2025 —

Creating a TAC Case on DCT Transmissions

When creating a Technical Assistance Center (TAC) case using the Dealer Case Management (DCM) system on a 2020-2025 Corvette with a Direct Clutch Transmission (DCT) (Fig. 19) performance or leak […]

February 26, 2025 —

February 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 February GM Technical Assistance Center (TAC) Newsletter. It covers a number of […]

February 26, 2025 —

Transmission Shudder and Noise

A vehicle shudder and a growl or humming sound may be present when driving between 28-53 mph (45-85 km/h) on some 2024 Envista and Trax models equipped with the 6T40 […]

February 10, 2025 —

Improper Coolant Flow and Poor Heater Performance

Some 2023-2025 Colorado, Silverado 1500, Canyon and Sierra 1500 trucks equipped with the 2.7L engine (RPO L3B, L2R) may have poor heater performance due to blocked coolant flow. The coolant […]

February 10, 2025 —

Transmission Fluid Leak Near Torque Converter Housing

Some 2024-2025 Encore GX, Enclave, XT4, XT5, XT6, Blazer, Trailblazer, Traverse, Acadia, Terrain; and 2025 Equinox models equipped with the 9T45/50/60/65 9-speed automatic transmission (RPO M3F, M3U, M3H, M3T, M3G, […]

February 10, 2025 —

2025 Model Year Engine Oil Capacities Chart

The latest TechLink 2025 Engine Oil Capacities chart is now available under the Reference Charts menu. The chart includes engine, RPO, specifications (liters and quarts), oil viscosity and engine oil […]

February 10, 2025 —

MDI 2 Point-to-Point Wireless Functionality Concern After Operating System Update

There may be an issue with the MDI 2 point-to-point wireless functionality after updating the operating system of PCs in the service department running Windows 11. After performing the latest […]

February 10, 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 the latest updates to training paths in the […]

February 10, 2025 —