Structure Related Problems of the 2020 GMC Sierra 1500

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 (twelve problems). The second most common problem is related to the underbody shield (one problem).

Table 1. Structure related problems of GMC Sierra 1500

Problem Category Number of Problems
Body problems
12
Underbody Shield problems
1

Recently reported Structure problems of the 2020 GMC Sierra 1500

The Body problem

I have a rear sliding window on the cab of my truck that leaks from both ends of the plastic guide. I noticed it when placing my young children in their car seats. I contacted my dealership and was informed the repair would cost $1500+ and not be covered by gm or warranty.   Read details...

The Underbody Shield problem

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...


Structure related problems in other GMC Sierra 1500 model year vehicles:



☘ Sierra 1500 Service Bulletins
⚑ Sierra 1500 Safety Recalls
☤ Sierra 1500 Defect Investigations