Possible Causes
WARNING: This page is about a different car, the 2003 Toyota MR2. However, it is still accessible from the selected car via links, so may be relevant.
DTC is set if stoplight switch does not turn off when vehicle is being driven for 0.5 seconds. Possible causes are:
- Stoplight switch signal circuit is shorted.
- Defective stoplight switch.
- Defective ECM.