P0018 OBD II Trouble Code Crankshaft Position - Camshaft Position Correlation (Bank 2 Sensor A)

Detailed information on troubleshooting and repairing a P0018 DTC code regarding crankshaft camshaft position correlation.

Symptoms of P0018 OBD II Trouble Code

  • Malfunction Indicator Lamp (MIL) illumination
  • The engine may run but with reduced performance
  • The engine may crank but not start
  • The engine may exhibit a rattle near the harmonic balancer indicating the tone ring is damaged
  • The engine may start and run, but poorly

Common Causes of P0018 OBD II Trouble Code

  • Timing chain stretched, or timing belt skipped a tooth due to wear
  • Misalignment of timing belt/chain
  • Tone ring on crankshaft slipped/broken
  • Tone ring on camshaft slipped/broken
  • Bad crank sensor
  • Bad cam sensor
  • Damaged wiring to crank/cam sensor
  • Timing belt/chain tensioner damaged
  • An improperly torqued crankshaft balancer
  • A mis-built or mis-timed engine
  • A loose or missing crankshaft balancer bolt
  • The CMP actuator solenoid stuck open
  • The CMP actuator stuck in a position other than 0 degrees