From Ross-Tech Wiki

01329 - Convenience System Data Bus in Emergency Mode

Possible Causes

  • Wiring and/or Connectors faulty
  • Door Control Module(s) faulty

Possible Solutions

  • Check/Repair Wiring and/or Connectors
  • Check/Replace Door Control Module(s)

Special Notes

  • This fault code describes that the Convenience System Data Bus is operating in Single Wire mode.
  • You can check the door control modules by disconnecting all of them and reconnecting them one after another, while checking the comfort system meas. blocks regarding the data bus status.