WOMS
U code network Medium severity

U0224 Lost Communication With "Door Window Motor C

The OBD2 code U0224 indicates a loss of communication with the "Door Window Motor C," suggesting a problem in the communication network related to that specific window motor

Definition

The OBD2 code U0224 indicates a loss of communication with the "Door Window Motor C," suggesting a problem in the communication network related to that specific window motor

Common causes

  • Faulty door window motor
  • Damaged wiring or connectors
  • Corroded terminals
  • Failed control module
  • Software issues or glitches
  • Poor ground connection
  • Intermittent electrical connection

Common misdiagnoses

  • Faulty door window motor
  • Wiring issues or shorts in the door harness
  • Faulty body control module (BCM)
  • Issues with the power window switch
  • Faulty door module
  • Low battery voltage or weak battery
  • Corroded connectors or terminals
  • Software glitches in the vehicle's control modules

Troubleshooting steps

  1. 1. Check for Additional Codes

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

  2. 2. Inspect Wiring and Connectors

  3. 3. Visually inspect the wiring harness and connectors associated with the door window motor. Look for signs of damage, corrosion, or loose connections

  4. 4. Ensure that all connectors are securely plugged in and that there are no broken wires

  5. 5. Test the Door Window Motor

  6. 6. If possible, test the door window motor itself to ensure it is functioning correctly. You can do this by applying direct power to the motor to see if it operates

  7. 7. If the motor does not work when powered directly, it may need to be replaced

  8. 8. Check the Control Module

  9. 9. Inspect the control module that communicates with the door window motor. Ensure it is functioning properly and that there are no issues with its connections

  10. 10. If you suspect the control module is faulty, it may need to be tested or replaced

  11. 11. Inspect the Fuses

  12. 12. Check the fuses related to the door window motor and the control modules. A blown fuse can interrupt communication and cause the code to set

  13. 13. Scan for Communication Issues

  14. 14. Use a professional-grade scan tool to check for communication issues between the control modules. Look for any signs of communication faults or failures

  15. 15. Perform a Network Test

  16. 16. If you have access to advanced diagnostic tools, perform a network test to check for any issues in the vehicle's communication network (CAN bus)

  17. 17. Reset the Codes

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

  19. 19. Consult Technical Service Bulletins (TSBs)

  20. 20. Check for any TSBs related to the specific make and model of your vehicle. Manufacturers may have issued guidance on common issues related to the door window motor

  21. 21. Seek Professional Help

  22. 22. If you are unable to resolve the issue after performing these steps, consider seeking help from a qualified mechanic or automotive technician who has experience with electrical and communication issues. By following these troubleshooting steps, you should be able to identify and resolve the issue related to the U0224 code