Forward Collision Avoidance Problems of GMC Sierra 3500

GMC Sierra 3500 owners have reported 9 forward collision avoidance related problems since 1996. Table 1 shows the 3 most common forward collision avoidance problems. The number one most common problem is related to the vehicle's adaptive cruise control (4 problems). The second most common problem is related to the vehicle's warnings (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 3500


Recently reported Forward Collision Avoidance problems of GMC Sierra 3500

The Adaptive Cruise Control problem

Battery would not hold charge and would need jump start. Transmission would not stay in gear while towing trailer and would only go to 5th or 6th gear and would jerk out of gear and oil temperatures would go to 225 degrees.   Read details...

The Warnings problem

On christmas day 2025 my tailgate flies open on its own and I see my cargo flying out and a piece of it bounced off my taillight passenger side braking the taillight and then when attempting to pull over my lane departing feature try’s to correct its self and I hit the median luckily at   Read details...

The Automatic Emergency Braking problem

Driving on the freeway going approx 70 mph and the abs warning light, and stabilitrak warning light suddenly turned on. I’m sure you can imagine how panicked I was going that fast on the freeway and having my brake warnings suddenly turn on.   Read details...




Sierra 3500 Service Bulletins
Sierra 3500 Safety Recalls
Sierra 3500 Defect Investigations