check out this website it tells you how to repair the handle since it cost about $65.00 to buy a new one. http://www.findonefindall.com/toyota-sienna/
it means you need to check the engine
Low fluid levels in engine.
must be a oxygen sensor
The gas cap was loose on my '04 Sienna. How's that for simple...
Remove the battery head(+v) for a while, then replace it and star the engine.
The 2005 Toyota Sienna is generally regarded as a reliable and practical minivan, known for its spacious interior, comfortable ride, and strong safety ratings. It offers a versatile seating arrangement and ample cargo space, making it a good choice for families. However, some owners have reported issues with the transmission and engine, so it's essential to check the vehicle's maintenance history before purchasing. Overall, it remains a solid option in the used minivan market.
When the light comes on it's telling you to read the engine diagnostic codes.
How To Fix vsc,trac off and engine light on for 2009 Toyota Sienna
i have check engine light on code po171 system to lean i changed o2 sensor check engine light came back soon after, i heard that it could be fuel air ratio sensor,where is it located on 6cyl Toyota sienna, do you have any input thanks tony
After repairing the cause for the code, you can clear code with a scan tool.
If the check engine light is flashing the engine is misfiring. Most likely a bad ignition coil.