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DTC: Portable Audio Interface Module (APIM): DTC's

DTC Description Possible Causes Action
U3000-13 Control Module - Circuit open
  • Universal serial bus (USB) harness between portable audio interface panel and user interface panel is not properly connected
  • Connection - detect circuit between portable audio interface panel and user interface panel is not grounded
  • Universal serial bus (USB) harness between portable audio interface panel and user interface panel is open circuit
Check for correct connection of universal serial bus (USB) harness between portable audio interface panel and user interface panel. Refer to the electrical circuit diagrams and check portable audio interface module connection detect circuit between portable audio interface panel and user interface panel is grounded. Install universal serial bus (USB) harness between portable audio interface panel and user interface panel as required, refer to the new module/component installation note at the top of the DTC Index
U3000-44 Control Module - Data memory failure
  • Portable audio interface module internal RAM memory failure
Suspect the portable audio interface module. Check and install a new module as required. Refer to the warranty policy and procedures manual if a module is suspect
U3000-45 Control Module - Program memory failure
  • Portable audio interface module internal flash memory failure
Suspect the portable audio interface module. Check and install a new module as required. Refer to the warranty policy and procedures manual if a module is suspect
U3000-55 Control Module - Not configured
  • Portable audio interface module not configured correctly
Re-program the portable audio interface module, clear DTC and re-test. If DTC remains carry out MOST tests and test USB cable for open, short circuit, clear DTC and re-test. If DTC remains suspect the portable audio interface module, check and install a new module as required. Refer to the warranty policy and procedures manual if a module is suspect
U3003-62 Battery Voltage - Signal compare failure
  • Portable audio interface module voltage differs more than ±2V compared to central electronics module voltage
Refer to the electrical circuit diagrams and check the fuses, power and ground connections to both modules