Automatic Transmission Internal Bearings/bushings problems of the 2019 GMC Acadia

The contact owns a 2019 GMC Acadia. The contact stated that while the vehicle was parked, the shift to park message was displayed. There was a constant abnormal dinging sound detected, and the vehicle failed to remain in park. While having a routine inspection, it was determined that the rear trailing arms bushings were worn out and the vehicle failed the inspection. There were no warning lights illuminated. The contact stated that the failure was like NHTSA campaign number: 17v516000 (power train). The contact called the local dealer, but the vehicle was not diagnosed or repaired. The manufacturer was contacted about the failure and referred the contact to the NHTSA hotline. The failure mileage was approximately 60,000.