WOMS
U code network Medium severity

U0552 Invalid Data Received From Running Board Control Module "B

The OBD2 code U0552 indicates that the vehicle's control module has received invalid or corrupted data from the Running Board Control Module "B."

Definition

The OBD2 code U0552 indicates that the vehicle's control module has received invalid or corrupted data from the Running Board Control Module "B."

Common causes

  • Faulty Running Board Control Module "B"
  • Corrupted or damaged software in the control module
  • Poor or damaged wiring or connectors
  • Communication issues between modules
  • Short circuits or open circuits in the wiring harness
  • Low battery voltage or power supply issues
  • Grounding problems
  • Interference from aftermarket accessories or modifications

Common misdiagnoses

  • Faulty Running Board Control Module
  • Wiring issues or shorts in the harness
  • Corrupted software or firmware in the control module
  • Issues with the Body Control Module (BCM)
  • Problems with the power supply or ground connections
  • Faulty sensors related to the running boards
  • Incorrectly configured or programmed vehicle settings

Troubleshooting steps

  1. 1. Check for Additional Codes

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

  2. 2. Inspect Wiring and Connectors

  3. 3. Visually inspect the wiring and connectors associated with the Running Board Control Module "B." Look for signs of damage, corrosion, or loose connections

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

  5. 5. Check Power and Ground

  6. 6. Verify that the Running Board Control Module "B" is receiving the correct voltage and ground. Use a multimeter to check for proper power supply and ground connections

  7. 7. Test the Running Board Control Module

  8. 8. If the wiring and connections are good, the issue may lie within the Running Board Control Module itself. If possible, test the module by swapping it with a known good module or using a diagnostic tool to perform a functional test

  9. 9. Inspect Related Modules

  10. 10. Since communication issues can arise from other modules, check the functionality of related control modules that may communicate with the Running Board Control Module "B." Ensure they are functioning correctly

  11. 11. Check for Software Updates

  12. 12. Sometimes, software glitches can cause communication issues. Check with the manufacturer for any available software updates for the vehicle's control modules

  13. 13. Clear Codes and Test Drive

  14. 14. 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

  15. 15. Consult Technical Service Bulletins (TSBs)

  16. 16. Look for any TSBs related to the U0552 code or the Running Board Control Module for your specific vehicle make and model. Manufacturers may have issued guidance on common issues and fixes

  17. 17. Professional Diagnosis

  18. 18. If the issue persists after performing the above steps, consider seeking help from a professional mechanic or dealership. They may have access to specialized diagnostic tools and resources. By following these steps, you should be able to identify and resolve the issue related to the U0552 code