GMC Sierra 2500 owners have reported 11 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 adaptive cruise control (3 problems). For details of each of the problem category, use the links in the table.
| Problem Category | Number of Problems |
|---|---|
| Warnings problems | |
| Adaptive Cruise Control problems | |
| Automatic Emergency Braking problems | |
| Forward Collision Avoidance problems |
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...
Unexpected braking at highway speeds. This has at least 50 times at highway speeds. The truck has experienced repeated false forward collision alerts and un-commanded automatic emergency braking events. Read details...
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 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...