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

    B

    GO TO CAN COMMUNICATION SYSTEM w/o Central Gateway ECU: Click here
    GO TO CAN COMMUNICATION SYSTEM w/ Central Gateway ECU: Click here