GMC Sierra 1500 owners have reported 1 problem related to glass, side/rear critical fasteners (under the visibility category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of GMC Sierra 1500 based on all problems reported for the Sierra 1500.
The contact owns a 2020 GMC sierra. The contact stated that while the vehicle was parked, the contact was detailing the vehicle. The contact stated when detailing the rear interior of the vehicle, the contact discovered water surrounding the rear back glass casing and the water was leaking into the rear seating area. In addition, the rear carpet was soiled with water. The contact applied some towels and attempted to soak up the water. The vehicle was taken to the dealer where it was diagnosed that the failure was due to the failed rear back glass fasteners. The contact was informed that the failure had damaged the rear carpet, padding and the rear seat. In addition, the contact was informed that the carpet and padding needed to be replaced due to mold. The contact was informed that the vehicle was out of warranty coverage. The vehicle was not repaired. The manufacturer was made aware of the failure but provided no assistance. The failure mileage was approximately 31,000.