The Check Engine Light may illuminate due to an evaporative emission (EVAP) system fault. Our technicians tell us these EVAP system faults can be difficult to diagnose but it is not uncommon to find a failed charcoal canister or a loose or worn gas cap.
Problems for specific Toyota Sienna years:
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Newest reported 2005 Toyota Sienna problems
Multiple cracks may develop on the upper surface of the dashboard. At this time, the only suggested repair is to replace the dashboard.
Models with electric sliding doors can develop problems with the door mechanism. The cable in the door becomes frayed, which will damage the electric motor.