GM Authority

Here May Be Why Your GMC Sierra Loses Brake Assist After An Engine Stop/Start Event

GM issued a bulletin for GMC Sierra trucks that may lose brake assist after auto-stop/start. A voltage drop causes the fault; ...
GM Authority

Here May Be Why Your Chevy Silverado Loses Brake Assist After An Engine Stop/Start Event

GM issued a bulletin for Chevy Silverado trucks that may lose brake assist after auto-stop/start. A voltage drop causes the ...
Torque News

A 2025 GMC Sierra EV Denali Max Owner Says His Truck Was Down for Over 3 Weeks Waiting on an OnStar Telematics Module, and While the Hummer EV Loaner Was Fu…

A 2025 GMC Sierra EV Denali Max owner has finally escaped a "telematics trap" after his flagship truck sat at the dealership ...

GM's fix for broken AWD is to turn crossovers off and on again

There's something wrong with several General Motors crossovers, and the automaker seems unsure of how to fix the issue. Customers have been complaining of a "Service All Wheel Drive" or "Service 4WD" ...