WOMS
P code powertrain Medium severity

P069E Cooling Fan Control Module Performance

The OBD2 code P069E indicates a performance issue with the cooling fan control module, suggesting that the module is not functioning as expected in regulating the cooling fan operation

Definition

The OBD2 code P069E indicates a performance issue with the cooling fan control module, suggesting that the module is not functioning as expected in regulating the cooling fan operation

Common causes

  • Faulty cooling fan control module
  • Wiring issues or damaged connectors
  • Faulty cooling fan
  • Malfunctioning engine control module (ECM)
  • Overheating engine
  • Faulty temperature sensor
  • Poor ground connections
  • Software issues or updates needed in the ECM

Common misdiagnoses

  • Faulty cooling fan
  • Bad thermostat
  • Engine overheating issues
  • Wiring or connector issues
  • Faulty engine control module (ECM)
  • Incorrect coolant levels
  • Faulty temperature sensor
  • Airflow restrictions in the cooling system

Troubleshooting steps

  1. 1. Check for Additional Codes

    Use an OBD-II scanner to check for any other trouble codes that may be present. This can provide more context and help identify related issues

  2. 2. Inspect the Cooling Fan Control Module

  3. 3. Locate the cooling fan control module and visually inspect it for any signs of damage, corrosion, or loose connections

  4. 4. Ensure that the module is securely mounted and that all connectors are clean and free of debris

  5. 5. Test the Cooling Fan

  6. 6. Manually activate the cooling fan to see if it operates correctly. This can often be done through the vehicle's diagnostic tool or by applying power directly to the fan

  7. 7. If the fan does not operate, it may need to be replaced

  8. 8. Check Wiring and Connectors

  9. 9. Inspect the wiring harness and connectors leading to the cooling fan and control module for any signs of wear, fraying, or damage

  10. 10. Look for any short circuits or open circuits in the wiring

  11. 11. Test the Power and Ground

  12. 12. Use a multimeter to check for proper voltage and ground at the cooling fan control module and the fan itself. Ensure that the module is receiving the correct voltage from the vehicle's electrical system

  13. 13. Check the Engine Coolant Temperature Sensor

  14. 14. The cooling fan control module relies on input from the engine coolant temperature sensor. Test the sensor for proper operation and ensure it is providing accurate readings

  15. 15. Inspect the Thermostat

  16. 16. A malfunctioning thermostat can cause overheating or improper cooling system operation, which may affect the cooling fan's performance. Ensure the thermostat is functioning correctly

  17. 17. Check for Obstructions

  18. 18. Ensure that there are no obstructions blocking the cooling fan or airflow to the radiator. This can include debris, dirt, or damaged components

  19. 19. Review the Vehicle's Cooling System

  20. 20. Check the entire cooling system for leaks, low coolant levels, or other issues that could affect cooling performance

  21. 21. Clear Codes and Test Drive

  22. 22. After performing the necessary repairs, clear the trouble codes using the OBD-II scanner and take the vehicle for a test drive to see if the code returns. 1

  23. 23. If the issue persists, consult the vehicle's service manual for specific diagnostic procedures related to the cooling fan control module and related components. If you are not comfortable performing these steps or if the issue remains unresolved, it may be best to consult a professional mechanic for further diagnosis and repair