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 adaptive cruise control (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 Adaptive Cruise Control problem

Back up camera randomly stops working (black screen-completely gone, or blue screen). Dash will randomly dim on its own and does not go back to normal unless car is shut off and turned back on. Adaptive cruise control will disengage for no apparent reason.   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...


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



Acadia Service Bulletins
Acadia Safety Recalls
Acadia Defect Investigations