Short answer: on GM’s Global A trucks and SUVs, the body control module (BCM) decides how the lighting, locks, windows,… Read more GM BCM Programming: What Can Be Changed on K2, T1 and Colorado/Canyon Trucks
Tag: Sierra
Cadillac Logo at Startup Then Black Screen: A Complete GM CSM Failure
A Cadillac emblem appearing on a Chevrolet, GMC, or Buick infotainment screen followed by a black screen is a complete CSM failure. It’s one of the few GM infotainment symptoms that points to a single module with confidence. Here’s how to confirm it and what to do next.
Can You Add Adaptive Cruise Control to a GM Vehicle? Why Having AEB Isn’t Enough
Have automatic emergency braking and assume your GM vehicle is ready for adaptive cruise? It isn’t — and here’s the technical reason why, from the radar and camera hardware that’s missing to GM’s factory programming wall, plus why it’s cheaper to buy the vehicle that came with it.