WOMS
U code network Medium severity

U0535 Invalid Data Received From Convenience Recall Module

The OBD2 code U0535 indicates that the vehicle's control module has received invalid or corrupted data from the convenience recall module, which may affect features like keyless entry or other convenience functions

Definition

The OBD2 code U0535 indicates that the vehicle's control module has received invalid or corrupted data from the convenience recall module, which may affect features like keyless entry or other convenience functions

Common causes

  • Faulty Convenience Recall Module
  • Wiring issues or damaged connectors
  • Communication network problems (CAN bus issues)
  • Software or firmware glitches
  • Corrupted data or configuration settings
  • Low battery voltage or power supply issues
  • Interference from aftermarket accessories or modifications

Common misdiagnoses

  • Faulty Body Control Module (BCM)
  • Malfunctioning Instrument Cluster
  • Defective Wiring or Connectors
  • Issues with the Powertrain Control Module (PCM)
  • Problems with the Gateway Module
  • Incorrectly programmed or updated software
  • Faulty Convenience Recall Module itself
  • Battery or power supply issues

Troubleshooting steps

  1. 1. Check for Additional Codes

    Use an OBD-II scanner to check for any other trouble codes that may be present. Sometimes, multiple codes can provide more context for the issue

  2. 2. Inspect Wiring and Connectors

    Examine the wiring and connectors related to the Convenience Recall Module. Look for signs of damage, corrosion, or loose connections that could cause communication issues

  3. 3. Check the Convenience Recall Module

    If the wiring and connectors are in good condition, the next step is to inspect the Convenience Recall Module itself. Ensure it is securely mounted and free from physical damage

  4. 4. Clear the Codes

    After inspecting the wiring and module, clear the trouble codes using the OBD-II scanner. Then, take the vehicle for a test drive to see if the code reappears

  5. 5. Perform a System Reset

    In some cases, performing a reset of the vehicle's systems (by disconnecting the battery for a few minutes) can help clear temporary glitches

  6. 6. Check for Software Updates

    Some manufacturers release software updates for their modules. Check if there are any updates available for the Convenience Recall Module or the vehicle's main control module

  7. 7. Test the Module

    If the code persists, you may need to test the Convenience Recall Module using specialized diagnostic equipment. This may require professional assistance

  8. 8. Consult Technical Service Bulletins (TSBs)

    Look for any TSBs related to the U0535 code or the Convenience Recall Module for your specific vehicle make and model. Manufacturers may have documented common issues and fixes

  9. 9. Replace the Module

    If all else fails and the module is determined to be faulty, replacing the Convenience Recall Module may be necessary

  10. 10. Seek Professional Help

    If you are unable to resolve the issue after these steps, it may be best to consult a professional mechanic or dealership for further diagnosis and repair. Always refer to the vehicle's service manual for specific procedures and specifications related to your make and model