The contact owns a 2012 Volkswagen Cc. The contact stated that the catalytic converter warning light illuminated on several occasions. In addition, the vehicle shook violently and jerked as a result the vehicle failed to drive over 30 mph. The contact also stated that the vehicle decelerated independently and stalled. The vehicle was towed to a dealer where the manifold, four spark plugs, the intake air box, and the intake charge pipe were replaced. The computer was also reset. The contact stated that one year after the repairs, the catalytic converter warning light illuminated. The vehicle was taken to a dealer where it was diagnosed that the engine needed to be carbon cleaned. The spark plugs and the battery were replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The approximate failure mileage was 48,661.

- West Chester, OH, USA