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 when ECM does not receive input signal from camshaft position sensor. If DTC P0340 exists, ECM will operate in fail-safe mode. Possible causes are:
- Camshaft position sensor circuit is open or shorted.
- Defective camshaft position sensor.
- Defective signal plate.
- Defective ECM.