Forward Collision Avoidance Related Problems of the 2020 GMC Acadia

Table 1 shows three common forward collision avoidance related problems of the 2020 GMC Acadia. The number one most common problem is related to the automatic emergency braking (four problems). The second most common problem is related to the warnings (two problems).

Table 1. Forward Collision Avoidance related problems of GMC Acadia


Recently reported Forward Collision Avoidance problems of the 2020 GMC Acadia

The Automatic Emergency Braking problem

I bought my car [xxx] it had 7 miles. I loved my car. Then in January 2021 things just went crazy. It started with park light on. My forward brake assist warning didn’t work, my back up camera in and out . My braking and stability were on and off. Then weird codes like.   Read details...

The Warnings problem

My front camera that detects the front collision and helps with adaptive cruise control just went dark. I thought maybe it would reset after turning engine off and restarting it, but it didn’t help. Not sure what happened.   Read details...

The Adaptive Cruise Control problem

Twice this vehicle has exhibited this behavior. The collision avoidance system would flash a red warning on the hud showing that a pedestrian was in front of the vehicle with the vehicle brakes 'hard' engaging causing the vehicle to 'nose dive' even though there was no pedestrian in front of the   Read details...


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



Acadia Service Bulletins
Acadia Safety Recalls
Acadia Defect Investigations