Service Brakes Related Problems of the 2012 GMC Sierra 1500

Table 1 shows four common service brakes related problems of the 2012 GMC Sierra 1500. The number one most common problem is related to the service brakes (two problems). The second most common problem is related to the brake disc caliper (one problem).

Table 1. Service Brakes related problems of GMC Sierra 1500


Recently reported Service Brakes problems of the 2012 GMC Sierra 1500

The Service Brakes problem

June 29, 2025, driving on the st. Francis loop in amarillo, TX, brake lights start flashing, the warning sounds happening, no brakes. I had already slowed down to 35-45 mph due to road construction ahead. I weaved through the cones and as soon as possible, hit the ditch and then coasted to a stop.   Read details...

The Brake Disc Caliper problem

On cold morning starts, front brake pads will engage rotor, and release very slowly. Then on a turn, front pads will engage, lock for a short time, and then slowly release. Seems like engine has to warm up before brakes act normal.   Read details...

The Brake Sensor problem

Tl the contact owns a 2012 GMC Sierra 1500. The contact stated that the brakes functioned independently even when the accelerator pedal was applied. Also, the traction control warning indicator illuminated. The failure occurred approximately five times.   Read details...


Service Brakes related problems in other GMC Sierra 1500 model year vehicles:



Sierra 1500 Service Bulletins
Sierra 1500 Safety Recalls
Sierra 1500 Defect Investigations