AUTOMATIC HEADLIGHT BEAM LEVEL CONTROL SYSTEM(except Sedan), Diagnostic DTC:U0073,U0100,U0129 and 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

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

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

U0073

Control Module Communication Bus Off

Control module communication bus off

CAN communication system

U0100

Lost Communication with ECM

Lost communication with ECM

CAN communication system

U0129

Lost Communication with Skid Control ECU

Lost communication with brake actuator assembly (skid control ECU)

CAN communication system

U0142

Lost Communication with Main Body ECU

Lost communication with main body ECU (multiplex network body ECU)

CAN communication system

PROCEDURE

  1. CHECK FOR DTC

    1. Clear the DTCs.

      Click here

      Body Electrical > AFS > Clear DTCs

    2. Check for DTCs.

      Click here

      Body Electrical > AFS > Trouble Codes

      OK

      DTCs are not output.

    Result

    Proceed to

    OK

    NG
    OK

    USE SIMULATION METHOD TO CHECK

    Click hereClick hereClick hereClick here

    NG

    GO TO CAN COMMUNICATION SYSTEM

    Click here