One problem related to check engine light on 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.
The contact owns a 2002 Toyota Sienna. Whenever the charcoal canister or any minor malfunction occurred in the vehicle the traction control was deactivated. The traction control also deactivated when the fuel cap was not replaced properly on the fuel tank. The failure has occurred several times and the dealer stated that they are aware of the defect; yet, they require the contact to come in whenever the check engine light was illuminated. The contact was concerned about the safety risk since it rains in florida and the traction control when activated engaged itself to assist with traction. The contact had to replace the charcoal canister valve. The dealer also stated that the failure was normal and not a danger. The contact is concerned about the safety risk. The failure mileage was 70,000.