Possible Causes
WARNING: This page is about a different car, the 2003 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.
DTC is set if throttle control motor current or output duty is not within specified range. Possible causes are:
- Throttle control motor circuit is open or shorted.
- Defective throttle control motor.
- Defective ECM.