Tailgate problems of the 2021 GMC Sierra 1500

The contact owns a 2021 GMC Sierra 1500. The contact stated that after parking the vehicle, it was discovered that the electronic multifunction tailgate had erroneously opened. Also, during the failure the tailgate struck a scooter lift that was attached to the vehicle. Both the tailgate and the scooter lift were damaged. The contact indicated that the failure had occurred on multiple occasions. The vehicle was taken to the local dealer who was unable to determine the cause of the failure and the vehicle was not repaired. The manufacturer was also notified of the failure. The contact was concerned that if a heavy load was being carried at the time of the failure it might have fallen onto a busy freeway. The failure mileage was 6,000.