P0337 OBD II Trouble Code Crankshaft Position Sensor A Circuit Low Input

Symptoms of P0337 OBD II Trouble Code

  • The engine will not start
  • The tachometer (if equipped) does not register RPM when the engine is cranked
  • Hesitation upon acceleration
  • Poor engine performance
  • Diminished fuel efficiency

Common Causes of P0337 OBD II Trouble Code

  • Defective CKP sensor
  • Open or shorted wiring to the CKP sensor
  • Corroded or fluid soaked connector at the CKP sensor
  • Faulty PCM or PCM programming error

Severity of P0337 OBD II Trouble Code

When a P0337 is stored, the engine will not likely run and this code should be categorized as severe. Even if the engine will start and run, there is a high risk of a no start condition and there will be drivability repercussions.