Table 1 shows two common structure related problems of the 2020 GMC Sierra 1500. The number one most common problem is related to the body (eleven problems). The second most common problem is related to the underbody shield (one problem).
| Problem Category | Number of Problems |
|---|---|
| Body problems | |
| Underbody Shield problems |
The frame of the back window is cracking allowing water to come in through the back glass. This is causing the headliner and other components such as air bags and other electrical components to get wet and damaged. Read details...
The contact owns a 2020 GMC Sierra 1500. The contact stated while driving at an undisclosed speed, the parking brake independently activated. In addition, the contact stated that the vehicle had an oil leak from the oil pan. The contact stated that the oil needed to be added every two days. Read details...