2012 BUICK ENCLAVE Vehicle Speed Control Problems

Transmission needs replacing

The contact owns a 2012 Buick Enclave. The contact stated while driving 65 mph, the engine started shaking with the check engine warning light illuminated. The contact stated when he disengaged the accelerator pedal and depressed it again, the engine stopped shaking. The vehicle was taken to the dealer who informed the contact that they could not duplicate the failure however, the check engine light was reset. The contact stated that the failure had been reoccurring from the original date of purchase. The vehicle was taken to an independent mechanic several times. The contact stated that the catalytic converter, alternator, battery, fuel pump and fuel pressure sensors were replaced however, the failure persisted. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was 158,000.