P0529 OBD II Trouble Code Fan Speed Sensor Circuit Intermittent DTC

Detailed troubleshooting and repair information a P0529 DTC which is an intermittent fault in the electrical fan speed sensor circuit.

Symptoms of P0529 OBD II Trouble Code

  • Malfunction Indicator Lamp illumination (a.k.a. Check Engine Light)
  • Vehicle may be overheating or running hotter than normal

Common Causes of P0529 OBD II Trouble Code

  • Loose connection in cooling fan sensor harness or PCM/ECM harness
  • Faulty PCM/ECM
  • Faulty cooling fan speed sensor