WOMS
U code network Medium severity

U0564 Invalid Data Received From Speech Recognition Module

The OBD2 code U0564 indicates that the vehicle's control module has received invalid or corrupted data from the speech recognition module, which may affect voice command functionality

Definition

The OBD2 code U0564 indicates that the vehicle's control module has received invalid or corrupted data from the speech recognition module, which may affect voice command functionality

Common causes

  • Faulty speech recognition module
  • Poor electrical connections or wiring issues
  • Software glitches or bugs in the vehicle's system
  • Corrupted data or firmware in the speech recognition module
  • Incompatible or outdated software versions
  • Interference from other electronic components
  • Malfunctioning or damaged sensors related to the speech recognition system

Common misdiagnoses

  • Faulty wiring or connections
  • Malfunctioning body control module (BCM)
  • Defective audio system components
  • Issues with the vehicle's communication network
  • Problems with the instrument cluster
  • Software glitches in the vehicle's firmware
  • Faulty speech recognition hardware

Troubleshooting steps

  1. 1. Check for Additional Codes

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

  2. 2. Inspect the Wiring and Connectors

    Visual Inspection: Check the wiring and connectors related to the speech recognition module for any signs of damage, corrosion, or loose connections

  3. 3. Connector Pins

    Ensure that the pins in the connectors are not bent or corroded

  4. 4. Test the Speech Recognition Module

    If possible, perform a functional test of the speech recognition module. This may require specialized diagnostic equipment or software

  5. 5. Check the module’s power and ground connections to ensure it is receiving the correct voltage

  6. 6. Check for Software Updates

    Sometimes, the issue can be resolved with a software update. Check with the vehicle manufacturer for any available updates for the vehicle’s software or the speech recognition module

  7. 7. Inspect Related Components

    Check other components that may interact with the speech recognition module, such as the infotainment system or any other control modules that may be linked to it

  8. 8. Clear Codes and Test Drive

    After performing any repairs or inspections, clear the trouble codes using the OBD-II scanner and take the vehicle for a test drive to see if the code reappears

  9. 9. Consult Technical Service Bulletins (TSBs)

    Look for any TSBs related to the speech recognition module or the specific vehicle model. Manufacturers often release TSBs for known issues and their fixes

  10. 10. Professional Diagnosis

    If the issue persists after performing the above steps, consider seeking help from a professional mechanic or dealership. They may have access to more advanced diagnostic tools and resources

  11. 11. Replace the Module (if necessary)

    If all else fails and the speech recognition module is determined to be faulty, replacement may be necessary.Conclusion Always refer to the vehicle’s service manual for specific diagnostic procedures and specifications. Following these steps can help you systematically identify and resolve the issue associated with the U0564 code