Possible Causes
NOTE: The listed causes may not be a complete list of all potential problems and there may be other causes.
- Faulty crankshaft position sensor
- Crankshaft position sensor harness is open or shorted
- Poor electrical connection in crankshaft position sensor circuit
Description
The engine control module (ECM) monitors the crankshaft position/top dead center sensor. The engine control module sets the diagnostic trouble code (DTC) when a malfunction in the crankshaft position sensor (CKP)/top dead center (TDC) circuit is detected.
How to Repair
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
Possible Symptoms
- Check engine light illuminated (or service engine soon warning light illuminated)