WOMS
U code network Medium severity

U2868 Invalid Data Received from the Steering Angle Sensor

The OBD2 code U2868 indicates that the vehicle's control module has received invalid or erroneous data from the steering angle sensor, which may affect steering and stability control systems

Definition

The OBD2 code U2868 indicates that the vehicle's control module has received invalid or erroneous data from the steering angle sensor, which may affect steering and stability control systems

Common causes

  • Faulty steering angle sensor
  • Poor electrical connections or wiring issues
  • Corrupted or incompatible software/firmware
  • Malfunctioning power steering control module
  • Calibration issues with the steering angle sensor
  • Interference from other electronic components
  • Low battery voltage or power supply issues

Common misdiagnoses

  • Faulty Steering Angle Sensor
  • Wiring Issues or Short Circuits
  • Faulty Electronic Control Unit (ECU)
  • Calibration Errors
  • Issues with the Vehicle Stability Control (VSC) System
  • Faulty Wheel Speed Sensors
  • Problems with the Power Steering System
  • Incorrect Tire Pressure or Size
  • Software Glitches or Updates Needed
  • Faulty ABS 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 the steering angle sensor

  2. 2. Inspect the Steering Angle Sensor

    Physical Inspection: Check the steering angle sensor for any visible damage, loose connections, or corrosion at the connector

  3. 3. Wiring

    Inspect the wiring harness for any signs of wear, fraying, or damage that could affect the sensor's operation

  4. 4. Clear the Codes

    Clear the trouble codes using the OBD-II scanner and take the vehicle for a test drive to see if the code reappears. Sometimes, a temporary glitch can cause a code to set

  5. 5. Check Power and Ground

    Verify that the steering angle sensor is receiving the correct voltage and ground. Use a multimeter to check the power supply and ground connections

  6. 6. Test the Steering Angle Sensor

    If possible, test the steering angle sensor using a scan tool that can read live data. Check if the sensor is providing valid readings as you turn the steering wheel

  7. 7. Compare the readings with manufacturer specifications to ensure they are within the expected range

  8. 8. Inspect the Steering Column and Related Components

    Check the steering column for any binding or mechanical issues that could affect the sensor's operation

  9. 9. Ensure that the steering wheel is properly aligned and that there are no obstructions

  10. 10. Check for Software Updates

    Sometimes, the issue may be related to software. Check with the vehicle manufacturer for any available updates or recalls related to the steering angle sensor or the vehicle's control modules

  11. 11. Look for Interference from Other Systems

    Investigate if other systems (like the ABS or ESC) are affecting the steering angle sensor. Sometimes, issues in these systems can lead to erroneous data being sent

  12. 12. Replace the Steering Angle Sensor

    If all other steps have been exhausted and the sensor is still not functioning correctly, consider replacing the steering angle sensor. Ensure that the replacement part is compatible with your vehicle

  13. 13. Recalibrate the Sensor

    After replacing or repairing the sensor, it may need to be recalibrated. Follow the manufacturer’s procedure for recalibrating the steering angle sensor.1

  14. 14. Consult a Professional

    If you are unable to resolve the issue after these steps, it may be best to consult a professional mechanic or technician who has experience with your specific vehicle make and model. By following these troubleshooting steps, you should be able to identify the cause of the U2868 code and take appropriate action to resolve the issue