Automatic Transmission problems of the 2016 Buick Enclave

The contact owns a 2016 Buick Enclave. The contact stated that while accelerated, the fourth gear jumped to the fifth gear and was stuck. No warning lights illuminated. The vehicle was taken to the dealer where the transmission specialist test drove the vehicle and was unable to duplicate the failure. The vehicle was then taken to an independent mechanic where it was diagnosed that the gear was burnt, and the transmission needed to be replaced. Additionally, the contact stated that the air bag warning lights, charging system and the radio system malfunctioned. The contact stated that he suspects that the electrical system had malfunctioned however, the vehicle was not diagnosed or repaired. The manufacturer was notified of the failure the failure mileage was approximately 65,000.