LIGHTING SYSTEM, Diagnostic DTC:U0073, U0100, U0101, U0126, U0129, U0142, U0155, U023A

DTC Code DTC Name
U0073 Control Module Communication Bus OFF
U0100 Lost Communication with ECM / PCM "A"
U0101 Lost Communication with TCM
U0126 Lost Communication with Steering Angle Sensor Module
U0129 Lost Communication with Brake System Control Module
U0142 Lost Communication with Body Control Module "B"
U0155 Lost Communication with Instrument Panel Cluster (IPC) Control Module
U023A Lost Communication With Image Processing Module "A"

DESCRIPTION

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

DTC No. Detection Item DTC Detection Condition Trouble Area Note
U0073 Control Module Communication Bus OFF Lost communication with CAN communication line CAN communication system -
U0100 Lost Communication with ECM / PCM "A" Lost communication with ECM
  • CAN communication system

  • ECM

-
U0101 Lost Communication with TCM Lost communication with TCM
  • CAN communication system

  • ECM

-
U0126 Lost Communication with Steering Angle Sensor Module Lost communication with steering sensor
  • CAN communication system

  • Steering sensor

-
U0129 Lost Communication with Brake System Control Module Lost communication with brake actuator assembly (skid control ECU)
  • CAN communication system

  • Brake actuator assembly (skid control ECU)

-
U0142 Lost Communication with Body Control Module "B" Lost communication with main body ECU (multiplex network body ECU)
  • CAN communication system

  • Main body ECU (multiplex network body ECU)

-
U0155 Lost Communication with Instrument Panel Cluster (IPC) Control Module Lost communication with combination meter assembly
  • CAN communication system

  • Combination meter assembly

-
U023A Lost Communication With Image Processing Module "A" Lost communication with forward recognition camera
  • CAN communication system

  • Forward recognition camera

w/ Adaptive High Beam System

PROCEDURE


  1. CLEAR DTC


    1. for Single Beam Headlight:


      1. Clear the DTCs.

        Click here


        Body Electrical > HL AutoLeveling > Clear DTCs
    2. for Triple Beam Headlight:


      1. Clear the DTCs.

        Click here


        Body Electrical > AFS > Clear DTCs
      Result
      Proceed to
      NEXT

    NEXT
  2. CHECK FOR DTC


    1. Turn the engine switch on (IG).

    2. for Single Beam Headlight:


      1. Check for DTCs.

        Click here


        Body Electrical > HL AutoLeveling > Trouble Codes
        OK
        DTCs are not output.
    3. for Triple Beam Headlight:


      1. Check for DTCs.

        Click here


        Body Electrical > AFS > Trouble Codes
        OK
        DTCs are not output.
      Result
      Proceed to
      OK
      NG

    OK
    NG