Table 1 shows three common forward collision avoidance related problems of the 2020 GMC Sierra 2500. The number one most common problem is related to the automatic emergency braking (two problems). The second most common problem is related to the forward collision avoidance (one problem).
| Problem Category | Number of Problems |
|---|---|
| Automatic Emergency Braking problems | |
| Forward Collision Avoidance problems | |
| Warnings problems |
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...
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...
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...