WOMS
U code network Medium severity

U2132 Lost Communication with the Steering Angle Sensor Module

The OBD2 code U2132 indicates that there is a loss of communication between the vehicle's control module and the steering angle sensor module, which may affect the vehicle's stability control and steering functions

Definition

The OBD2 code U2132 indicates that there is a loss of communication between the vehicle's control module and the steering angle sensor module, which may affect the vehicle's stability control and steering functions

Common causes

  • Faulty steering angle sensor
  • Damaged wiring or connectors
  • Poor electrical connections
  • Malfunctioning vehicle control module
  • Software issues or updates needed
  • Low battery voltage
  • Corroded terminals
  • Interference from aftermarket devices

Common misdiagnoses

  • Faulty Steering Angle Sensor
  • Wiring or Connector Issues
  • Faulty Body Control Module (BCM)
  • Faulty Electronic Power Steering (EPS) Module
  • Incorrectly calibrated steering angle sensor
  • Faulty ABS Module
  • Software or firmware issues in the vehicle's control modules

Troubleshooting steps

  1. 1. Check for Other Codes

    Use an OBD-II scanner to check for any additional trouble codes. Sometimes, multiple codes can provide more context for the issue

  2. 2. Inspect Wiring and Connectors

    Visual Inspection: Check the wiring harness and connectors related to the steering angle sensor 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 Steering Angle Sensor

    Sensor Functionality: If possible, test the steering angle sensor to ensure it is functioning correctly. This may involve using a multimeter or an oscilloscope to check the output signals

  5. 5. Calibration

    Some vehicles require the steering angle sensor to be calibrated after installation or repair. Check the vehicle’s service manual for calibration procedures

  6. 6. Check Power and Ground

    Power Supply: Verify that the steering angle sensor is receiving the correct voltage. Use a multimeter to check the power supply at the sensor connector

  7. 7. Ground Connection

    Ensure that the ground connection for the sensor is intact and providing a good ground

  8. 8. Inspect the CAN Bus

    Communication Lines: Since the steering angle sensor communicates over the CAN bus, check for any issues with the CAN wiring. Look for shorts, opens, or interference

  9. 9. CAN Bus Termination

    Ensure that the CAN bus is properly terminated at both ends

  10. 10. Check for Software Issues

    ECU Updates: Sometimes, the issue can be resolved by updating the vehicle’s ECU software. Check with the manufacturer for any available updates

  11. 11. Resetting the System

    Clear the trouble codes and see if the U2132 code returns. This can sometimes reset communication issues

  12. 12. Inspect Related Modules

    Other Modules: Check other modules that communicate with the steering angle sensor. If they are malfunctioning, they may affect communication

  13. 13. Intermittent Issues

    Look for intermittent issues that may not always trigger a code but can cause communication loss

  14. 14. Consult Technical Service Bulletins (TSBs)

    Check for any TSBs related to the steering angle sensor or communication issues for your specific vehicle make and model. Manufacturers may have known fixes for common problems

  15. 15. Professional Diagnosis

    If the issue persists after performing the above steps, consider seeking help from a professional mechanic or dealership. They may have specialized tools and knowledge to diagnose the problem more effectively.Conclusion By following these troubleshooting steps, you can systematically identify and resolve the issue related to the U2132 code. Always refer to the vehicle’s service manual for specific procedures and specifications related to your vehicle model