One problem related to transmission failure has been reported for the 2004 Toyota Sienna. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 Toyota Sienna based on all problems reported for the 2004 Sienna.
Tl-the contact owns a 2004 Toyota Sienna. The contact stated that while driving approximately 25 mph, the transmission failed to respond. In addition, whenever shifting into the park position the vehicle would roll a few distance. The contact engaged the emergency brake when parked behind another vehicle due to the unintended rolling. The vehicle was towed to the dealer. The vehicle was repaired under NHTSA campaign number: 13v429000 (power train) however, the failure caused internal damage to the transmission. The manufacturer was notified of the failure. The approximate failure mileage was 180,000. Js.