Forward Collision Avoidance Related Problems of the 2019 GMC Terrain

Table 1 shows three common forward collision avoidance related problems of the 2019 GMC Terrain. The number one most common problem is related to the automatic emergency braking (three problems). The second most common problem is related to the warnings (one problem).

Table 1. Forward Collision Avoidance related problems of GMC Terrain


Recently reported Forward Collision Avoidance problems of the 2019 GMC Terrain

The Automatic Emergency Braking problem

Break booster pressure sensor and engine underbooster causes the car to slam on breaks or not break at all.   Read details...

The Warnings problem

Brakes got hard all of a sudden locked up, almost hit another car, front collision warning keeps going off and automatically hitting brakes with no one in front of me. I’ve read it could vacuum brake pump failure. Please recall this as many people have kids and could hurt them.   Read details...

The Adaptive Cruise Control problem

I’m crying out to you because I bought a 2019 GMC Terrain in April of this year with about 14,000 miles. The SUV ran great for about 2 months and since then I’ve been dealing with nothing but a nightmare. We’re dealing with a situation where the SUV goes into park while driving.   Read details...


Forward Collision Avoidance related problems in other GMC Terrain model year vehicles:



Safety Ratings of Terrain Cars
Fuel Economy of Terrain Vehicles
Terrain Service Bulletins
Terrain Safety Recalls
Terrain Defect Investigations