The contact owns a 2012 Buick Enclave. The contact stated that while driving at various speeds, the vehicle lost motive power and hesitated while attempting to accelerate and depressing the accelerator pedal. During the failure, the check engine warning light momentarily illuminated. The vehicle was taken to a local mechanic who was unable to determine the cause of the failure. Additionally, while opening the rear liftgate door, there was a clicking sound coming from the driver’s side rear liftgate door strut. The cause of the failure was not yet determined. The manufacturer was notified of the failure, but no assistance was provided. The local dealer was not contacted. The contact was informed that the VIN was not included in NHTSA Campaign Number: 15V415000 (STRUCTURE). The failure mileage was 118,000.