AUTOMATIC HEADLIGHT BEAM LEVEL CONTROL SYSTEM(for Sedan), Diagnostic DTC:U0100,U0129 and U0142

DTC Code DTC Name
U0100 Lost Communication with ECM / PCM "A"
U0129 Lost Communication with Brake System Control Module
U0142 Lost Communication with Body Control Module "B"

DESCRIPTION

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

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

U0100

Lost Communication with ECM / PCM "A"

Lost communication with ECM

CAN communication system

U0129

Lost Communication with Brake System Control Module

Lost communication with brake actuator assembly (skid control ECU)

CAN communication system

U0142

Lost Communication with Body Control Module "B"

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

CAN communication system

PROCEDURE

  1. CLEAR DTC

    1. Clear the DTCs.

      Click here

      Body Electrical > HL AutoLeveling > Clear DTCs

    Result

    Proceed to

    NEXT
    NEXT

  2. CHECK FOR DTC

    1. Check for DTCs.

      Click here

      Body Electrical > HL AutoLeveling > Trouble Codes

    Result

    Result

    Proceed to

    DTCs U0100, U0129 and U0142 are not output

    A

    DTC U0100, U0129 or U0142 is output

    B
    A

    USE SIMULATION METHOD TO CHECK

    Click hereClick hereClick here

    B

    GO TO CAN COMMUNICATION SYSTEM

    w/o Central Gateway ECU:Click here

    w/ Central Gateway ECU:Click here