Table 1 shows six common electrical system related problems of the 2021 GMC Sierra 1500. The number one most common problem is related to the electrical system (70 problems). The second most common problem is related to the integrated trailer brake control (one problem).
The contact owns a 2021 GMC Sierra 1500. The contact stated that while the vehicle was parked, the battery charge indicator to zero. The vehicle lost motive power, and the vehicle was unable to exceed 30 mph while driving. The vehicle was driven in limp mode. Read details...
My truck had smoke rolling out at work when I noticed it. Tried to put it out it burnt my hands ! destroyed the inside I had it towed and insurance investigator said it was do to a brake controller for the trailer. Read details...
[xxx], I purchased a 2021 GMC Sierra 1500 from faulkner Chevrolet in bethlehem, PA. I test drove the vehicle before purchase and it showed no indication of any mechanical issues that I was able to detect. Read details...