Forward Collision Avoidance Related Problems of the 2021 GMC Yukon

Table 1 shows three common forward collision avoidance related problems of the 2021 GMC Yukon. The number one most common problem is related to the automatic emergency braking (twelve problems). The second most common problem is related to the warnings (eight problems).

Table 1. Forward Collision Avoidance related problems of GMC Yukon


Recently reported Forward Collision Avoidance problems of the 2021 GMC Yukon

The Automatic Emergency Braking problem

Phantom braking when moving forward after a stop. Dealer can’t replicate or diagnose it, therefore won’t repair it under warranty. It’s happened 6 times now and almost caused 3 accidents.   Read details...

The Warnings problem

I was driving and a message popped up "service traction control", then another message popped up "forward collision system unavailable". Then the car started making this knocking sound and every time I would try and accelerate there would be a loud sound and almost a pulling   Read details...

The Forward Collision Avoidance problem

The contact owns a 2021 GMC Yukon. The contact stated that while driving at various speeds, the forward collision avoidance system erroneously activated, causing the vehicle to suddenly slow down. The vehicle was taken to the local dealer who serviced the forward collision avoidance system camera   Read details...


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



Yukon Service Bulletins
Yukon Safety Recalls
Yukon Defect Investigations