Three problems related to automatic transmission have been reported for the 2001 Toyota Sienna. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2001 Toyota Sienna based on all problems reported for the 2001 Sienna.
When I got home put vehicle in park exited vehicle with it still running. Vehicle jumped into gear hit my garage causing damage to garage.
Check engine light illuminated, dealer stated there was foreign material in the valve body, the transmission valve body assembly was replaced, at 11109 miles the same problem occurred, consumer states he was informed there was a problem with the brain of the transmission.
Consumer states that an indicator illuminated stating that there was an engine malfunction with transmission and stated consumer needed to stop driving immediately, dealer replaced the vehicle with a new one.