GMC Sierra 2500 owners have reported 12 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 (4 problems). For details of each of the problem category, use the links in the table.
| Problem Category | Number of Problems |
|---|---|
| Warnings problems | |
| Automatic Emergency Braking problems | |
| Adaptive Cruise Control 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...
While driving vehicle flashed engine power reduction signal and then the emergency brake automatic feature came on abruptly. Fortunately, I had been able to slow down after the reduced power, but if I wouldn't have quickly reacted to that, I think the emergency brake system would have caused a 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...
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...