AUTOMATIC HEADLIGHT BEAM LEVEL CONTROL SYSTEM, Diagnostic DTC:U0073, U0100, U0129, U0142

DTC Code DTC Name
U0073 Control Module Communication Bus Off
U0100 Lost Communication with ECM
U0129 Lost Communication with Skid Control ECU
U0142 Lost Communication with Main Body ECU

DESCRIPTION

The DTCs are stored when the CAN communication system is malfunctioning.

DTC No. DTC Detection Condition Trouble Area
U0073 Control module communication bus off CAN communication system
U0100 Lost communication with ECM CAN communication system
U0129 Lost communication with brake actuator assembly (skid control ECU) CAN communication system
U0142 Lost communication with main body ECU (multiplex network body ECU) CAN communication system

PROCEDURE


  1. CHECK FOR DTC


    1. Clear the DTCs Click here.

    2. Check for DTCs Click here.

      OK
      DTCs are not output.
      Result
      Result Proceed to
      OK A
      NG (w/ Central Gateway ECU) B
      NG (w/o Central Gateway ECU) C

    A

    USE SIMULATION METHOD TO CHECK Click here

    B

    GO TO CAN COMMUNICATION SYSTEM Click here

    C

    GO TO CAN COMMUNICATION SYSTEM Click here