WOMS
U code network High severity

U0153 Lost Communication With Side Restraints Control Module Right

The OBD2 code U0153 indicates a loss of communication with the right side restraints control module, which may affect the operation of the airbag system and other safety features on that side of the vehicle

Definition

The OBD2 code U0153 indicates a loss of communication with the right side restraints control module, which may affect the operation of the airbag system and other safety features on that side of the vehicle

Common causes

  • Faulty Side Restraints Control Module
  • Damaged wiring or connectors
  • Poor ground connection
  • Corroded terminals
  • Faulty airbag system components
  • Software issues or updates needed
  • Disconnected or loose harness connections
  • Electrical interference or shorts in the circuit

Common misdiagnoses

  • Faulty Side Restraints Control Module
  • Wiring issues or damaged connectors
  • Faulty airbag system components
  • Issues with the vehicle's main communication bus (CAN bus)
  • Faulty diagnostic tool or software errors
  • Battery or power supply problems
  • Other related module failures (e.g., Body Control Module)

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 affecting communication

  2. 2. Inspect the Wiring and Connectors

    Visual Inspection: Check the wiring harness and connectors leading to the side restraints control module for any signs of damage, corrosion, or loose connections

  3. 3. Connector Pins

    Ensure that the pins in the connectors are not bent, corroded, or pushed back

  4. 4. Test the Side Restraints Control Module

    If possible, test the side restraints control module itself. This may involve checking for power and ground at the module

  5. 5. Use a multimeter to verify that the module is receiving the correct voltage and that ground connections are solid

  6. 6. Check for Communication Issues

    Use a scan tool to check if the side restraints control module is communicating with the vehicle’s network. If it is not responding, it may be faulty

  7. 7. Check the CAN (Controller Area Network) bus for issues. This may involve testing other modules to see if they are communicating properly

  8. 8. Inspect Related Components

    Check other components that may be related to the side restraints system, such as the airbag module, seat belt tensioners, and any sensors that may be involved

  9. 9. Ensure that all components are properly connected and functioning

  10. 10. Clear Codes and Test Drive

    After performing inspections and repairs, clear the trouble codes using the OBD-II scanner

  11. 11. Take the vehicle for a test drive to see if the code reappears. Monitor the system to ensure that it is functioning correctly

  12. 12. Consult Technical Service Bulletins (TSBs)

    Check for any TSBs related to the specific make and model of the vehicle. Manufacturers may have issued guidance on common issues related to the side restraints control module

  13. 13. Consider Module Replacement

    If all other troubleshooting steps fail and the module is confirmed to be non-functional, consider replacing the side restraints control module. Ensure that the replacement module is compatible with the vehicle

  14. 14. Professional Diagnosis

    If you are unable to resolve the issue, it may be best to consult a professional mechanic or dealership. They have specialized tools and knowledge to diagnose complex electrical issues.Safety Note - Since this code relates to the airbag system, it is crucial to handle all components with care. Always disconnect the battery before working on airbag-related systems to avoid accidental deployment. By following these steps, you should be able to identify the cause of the U0153 code and take appropriate action to resolve the issue