Possible Causes
WARNING: This page is about a different car, the 2003 Toyota Tacoma. However, it is still accessible from the selected car via links, so may be relevant.
DTC is set if there is no vehicle speed signal to ECM while vehicle is being driven and park/neutral position switch is off. Possible causes are:
- Defective vehicle speed sensor.
- Vehicle speed sensor circuit is open or shorted.
- Defective instrument cluster.
- Defective ECM.