Table 1 shows two common service brakes related problems of the 2019 GMC Terrain. The number one most common problem is related to the service brakes (64 problems). The second most common problem is related to the power assist brake vacuum (two problems).
| Problem Category | Number of Problems |
|---|---|
| Service Brakes problems | |
| Power Assist Brake Vacuum problems |
While driving my 2019 GMC Terrain on local roads, the vehicle suffered a sudden and complete failure of the braking system. The brake pedal became extremely hard to press, and the dashboard displayed a critical error message stating 'engine power is reduced. Read details...
The contact owns a 2019 GMC Terrain. The contact stated that while stopped and attempting to turn to exit a highway ramp, he observed a loud banging noise emanating from the engine compartment. An "engine reduced power" message appeared. Read details...