Table 1 shows two common service brakes related problems of the 2020 GMC Terrain. The number one most common problem is related to the service brakes (74 problems). The second most common problem is related to the brakes failed (one problem).
| Problem Category | Number of Problems |
|---|---|
| Service Brakes problems | |
| Brakes Failed problems |
While driving at the speed limit the vacuum pump failed on my 2020 GMC Terrain. This failure led to me enter an intersection with heavy cross traffic, nearly striking g several vehicles. This is the 3rd time I have had to replace this pump in 2 years. Read details...
When reversing out of a parking spot, brakes failed causing accident. Multiple attempts to depress brake pedal with no braking. Hit a parked car. After shutting car off and attempting to move vehicle brakes did engage and respond correctly. Rear damage to Terrain occurred requiring towing. Read details...