One problem related to ignition switch has been reported for the 2002 Toyota Sienna. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2002 Toyota Sienna based on all problems reported for the 2002 Sienna.
A rattling noise was heard in the sliding door. The car vibrated when driven at any speed and the ignition switch was defective. The owner was frustrated with all that was happening with little or no results. The check engine light had come on and was taken to the dealer on several occasions for the same problem. The front end was unstable.