Possible Causes
- The signal transitions more slowly than is reasonably allowed
- Other fuel related DTCs
- Harness failure - Wiring integrity short circuit to ground, short circuit to power, open circuit, high resistance
- Crankshaft position sensor incorrectly installed
- Crankshaft position sensor air gap to target rotor excessive, debris on sensor face, damaged teeth on rotor
- Crankshaft position sensor circuit short circuit to ground, short circuit to power, open circuit, high resistance
- Connector is disconnected, connector pin is backed out, connector pin corrosion
- Crankshaft position sensor failure