Forward Collision Avoidance Problems of GMC Sierra 2500

GMC Sierra 2500 owners have reported 10 forward collision avoidance related problems since 1996. Table 1 shows the 4 most common forward collision avoidance problems. The number one most common problem is related to the vehicle's warnings (4 problems). The second most common problem is related to the vehicle's automatic emergency braking (3 problems). For details of each of the problem category, use the links in the table.

Table 1. Forward Collision Avoidance related problems of GMC Sierra 2500


Recently reported Forward Collision Avoidance problems of GMC Sierra 2500

The Warnings problem

The main tailgate will not go down or function properly and it says online there is a national recall for this, but does not come up when I search my vehicle. When I turn on my left turn signal the brights flash for no reason and this is a known major issue with the vehicles as well.   Read details...

The Automatic Emergency Braking problem

My vehicle inadvertently locks the rear tires at highway speeds and then releases and drives. In some instances it may brake several times causing the tires to burn rubber for a short distance causing rear traffic to either swerve to avoid rear ending me and in a couple instances causes the rear   Read details...

The Adaptive Cruise Control problem

On 3 separate instances the past few months the truck slammed on brakes for no apparent reason. And 2 separate times the past week or so the truck suddenly and uncontrollably accelerated — first at gas a station convenience store and almost ran over old lady, secondly while waiting line on   Read details...

The Forward Collision Avoidance problem

The contact owns a 2020 GMC Sierra 2500. The contact stated while driving 60 mph, the vehicle independently slowed and dramatically decelerated. The vehicle returned to normal functionality, but the failure became a regular occurrence.   Read details...




Sierra 2500 Service Bulletins
Sierra 2500 Safety Recalls
Sierra 2500 Defect Investigations