NHTSA Complaint #11484475 — 2017 TOYOTA SIENNA

The contact owns a 2017 Toyota Sienna. The contact stated while driving 60 MPH with her four children in the rear seats, the vehicle started jerking and decelerated independently. Additionally, the transmission was slipping. There was no warning light illuminated. The contact continued driving; however, the transmission continuously slipped out of gear. The vehicle was towed to the dealer where it was diagnosed that the failure was associated with Toyota UA80 Transmission program. The dealer contacted the manufacturer who agreed to cover the repair of the vehicle. The vehicle was repaired. The manufacturer was notified of the failure. The failure mileage was approximately 45,000.