WOMS
U code network Medium severity

U0459 Invalid Data Received From Head Up Display

The OBD2 code U0459 indicates that the vehicle's control module has received invalid or corrupted data from the Head-Up Display (HUD) system

Definition

The OBD2 code U0459 indicates that the vehicle's control module has received invalid or corrupted data from the Head-Up Display (HUD) system

Common causes

  • Faulty Head-Up Display (HUD) module
  • Wiring issues or damaged connectors
  • Communication network problems (CAN bus issues)
  • Software glitches or outdated firmware
  • Faulty sensors or input devices related to the HUD
  • Power supply issues to the HUD module
  • Corrupted data transmission from other modules

Common misdiagnoses

  • Faulty Head-Up Display (HUD) unit
  • Malfunctioning Instrument Cluster
  • Wiring issues or short circuits
  • Faulty Body Control Module (BCM)
  • Software or firmware issues in the HUD or related systems
  • Sensor malfunctions related to the HUD
  • Communication issues between modules
  • Power supply problems to the HUD or related components

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 about the issue and help identify if other modules are involved

  2. 2. Inspect Wiring and Connectors

  3. 3. Visually inspect the wiring and connectors related to the HUD module. Look for signs of damage, corrosion, or loose connections

  4. 4. Ensure that all connectors are securely plugged in and that there are no bent pins

  5. 5. Check for Software Updates

  6. 6. Some vehicles may require software updates for the HUD module or the vehicle's main control module. Check with the manufacturer or a dealership to see if any updates are available

  7. 7. Perform a Hard Reset

  8. 8. Disconnect the vehicle's battery for about 15 minutes to reset the modules. Reconnect the battery and see if the code reappears

  9. 9. Inspect the HUD Module

  10. 10. If the wiring and connections are good, the HUD module itself may be faulty. If possible, test the module in another vehicle or replace it with a known good unit to see if the problem persists

  11. 11. Check for Ground Issues

  12. 12. Ensure that the HUD module has a good ground connection. A poor ground can lead to communication issues and invalid data

  13. 13. Scan for Communication Issues

  14. 14. Use a professional-grade scan tool to check the communication between the HUD module and other modules in the vehicle. Look for any communication faults that may indicate a problem with the CAN bus

  15. 15. Inspect Related Modules

  16. 16. Sometimes, the issue may not be with the HUD module itself but with another module that communicates with it. Check other related modules for faults

  17. 17. Consult Technical Service Bulletins (TSBs)

  18. 18. Look for any TSBs related to the HUD or communication issues for your specific vehicle make and model. Manufacturers often release TSBs for known issues and fixes

  19. 19. Professional Diagnosis

  20. 20. If the issue persists after performing the above steps, consider seeking help from a professional mechanic or dealership. They have specialized tools and knowledge to diagnose complex electrical issues. By following these steps, you should be able to identify and resolve the cause of the U0459 code