Possible Causes
WARNING: This page is about a different car, the 2003 Mazda Tribute. However, it is still accessible from the selected car via links, so may be relevant.
Possible causes are:
- CMP sensor circuit open.
- CMP sensor circuit shorted to ground.
- CMP sensor circuit shorted to power.
- Damaged CMP sensor.
- Damaged CMP sensor shielding.
- Damaged PCM.
- SIG RTN circuit open.