P0389 OBD II Trouble Code Crankshaft Position Sensor B Circuit Intermittent

Symptoms of P0389 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 P0389 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 P0389 OBD II Trouble Code

A no-start condition will likely accompany a stored code P0389. Therefore this code could be categorized as severe.