OBD-II FAULT CODE
U2005

Audio Rear Integrated Control Panel Unit is Not Responding

Meaning, symptoms, likely causes, diagnostic checks and repair guidance for U2005.

NetworkSystem
EGR / emissionsCategory
MediumSeverity
  • Multiple warning lights or modules not communicating
  • Stuck EGR valve
  • Blocked EGR passage
  • Vacuum/control solenoid fault
  • DPFE/position sensor fault
  • Check battery condition, module fuses, grounds and network connectors before replacing modules
  • Command EGR operation if supported
  • Inspect passages for carbon blockage
  • Clean carbon passages, repair vacuum/control circuit, replace stuck valve or failed sensor after testing
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Disclaimer: Information is provided for general guidance only and may not apply to all vehicles. Always consult a qualified technician.