Table 1 shows 13 common electrical system related problems of the 2004 Toyota Sienna. The number one most common problem is related to the electrical system (100 problems). The second most common problem is related to the battery (eight problems).
The contact owns a 2004 Toyota Sienna. The contact stated that while the vehicle was parked, the tailgate inadvertently opened, then closed. There was no warning light illuminated. The vehicle was taken to an independent mechanic, where it was diagnosed that the tailgate hydraulic struts needed to Read details...
Power sliding door of Toyota Sienna le 2004 fails to open. Happened when car battery ran out of power. After battery was charged by an aaa mechanic with jumper cables, power door could open and close again. After driving the van for a few miles, power door started opening and closing by itself. Read details...
The contact owns a 2004 Toyota Sienna. The contact has not been able to use the door locks in her vehicle for several months. The dealer was unable to diagnose the cause of the failure. Recently, while attempting to stop the vehicle, the rear passenger side door opened. Read details...