LIGHTING SYSTEM, Diagnostic DTC:U0073, U0100, U0101, U0126, U0129, U0130, U0132, U0142, U0155, U0168, U0182, U023A, U0242

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
U0130 Lost Communication with Steering Effort Control Module
U0132 Lost Communication with Suspension Control ECU
U0142 Lost Communication with Body Control Module "B"
U0155 Lost Communication with Instrument Panel Cluster (IPC) Control Module
U0168 Lost Communication with Vehicle Security Control Module
U0182 Lost Communication with Lighting Control Module Front
U023A Lost Communication with Front Camera Module
U0242 Lost Communication With Headlamp Control Module "B"

DESCRIPTION

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

DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from
U0073 Control Module Communication Bus Off The No. 1 headlight ECU sub-assembly does not send/receive data. CAN communication system

  • No. 1 headlight ECU sub-assembly LH

  • No. 1 headlight ECU sub-assembly RH
U0100 Lost Communication with ECM / PCM "A" The No. 1 headlight ECU sub-assembly LH does not receive data from the ECM for approximately 10 seconds or more.

  • CAN communication system

  • ECM

  • No. 1 headlight ECU sub-assembly LH

 No. 1 headlight ECU sub-assembly LH
U0101 Lost Communication with TCM The No. 1 headlight ECU sub-assembly LH does not receive data from the ECM for approximately 10 seconds or more.

  • CAN communication system

  • ECM

  • No. 1 headlight ECU sub-assembly LH

 No. 1 headlight ECU sub-assembly LH
U0126 Lost Communication With Steering Angle Sensor Module The No. 1 headlight ECU sub-assembly does not receive data from the steering sensor for approximately 10 seconds or more.

  • CAN communication system

  • Steering sensor

  • No. 1 headlight ECU sub-assembly LH

  • No. 1 headlight ECU sub-assembly RH

  • No. 1 headlight ECU sub-assembly LH

  • No. 1 headlight ECU sub-assembly RH
U0129 Lost Communication with Brake System Control Module The No. 1 headlight ECU sub-assembly LH does not receive data from the skid control ECU assembly for approximately 10 seconds or more.

  • CAN communication system

  • Skid control ECU assembly

  • No. 1 headlight ECU sub-assembly LH

 No. 1 headlight ECU sub-assembly LH
U0130 Lost Communication with Steering Effort Control Module The No. 1 headlight ECU sub-assembly LH does not receive data from the front steering control ECU for approximately 10 seconds or more

  • CAN communication system

  • Front steering control ECU

  • No. 1 headlight ECU sub-assembly LH

 No. 1 headlight ECU sub-assembly LH
U0132 Lost Communication with Suspension Control ECU The No. 1 headlight ECU sub-assembly LH does not receive data from the absorber control ECU for approximately 10 seconds or more

  • CAN communication system

  • Absorber control ECU

  • No. 1 headlight ECU sub-assembly LH

 No. 1 headlight ECU sub-assembly LH
U0142 Lost Communication with Body Control Module "B" The No. 1 headlight ECU sub-assembly does not receive data from the main body ECU (multiplex network body ECU) for approximately 10 seconds or more.

  • CAN communication system

  • Main body ECU (multiplex network body ECU)

  • No. 1 headlight ECU sub-assembly LH

  • No. 1 headlight ECU sub-assembly RH

  • No. 1 headlight ECU sub-assembly LH

  • No. 1 headlight ECU sub-assembly RH
U0155 Lost Communication with Instrument Panel Cluster (IPC) Control Module The No. 1 headlight ECU sub-assembly does not receive data from the combination meter assembly circuit plate for approximately 10 seconds or more.

  • CAN communication system

  • Combination meter assembly

  • No. 1 headlight ECU sub-assembly LH

  • No. 1 headlight ECU sub-assembly RH

  • No. 1 headlight ECU sub-assembly LH

  • No. 1 headlight ECU sub-assembly RH
U0168 Lost Communication with Vehicle Security Control Module The No. 1 headlight ECU sub-assembly LH does not receive data from the certification ECU (smart key ECU assembly) circuit plate for approximately 10 seconds or more.

  • CAN communication system

  • Certification ECU (smart key ECU assembly)

  • No. 1 headlight ECU sub-assembly LH

 No. 1 headlight ECU sub-assembly LH
U0182 Lost Communication with Lighting Control Module Front The No. 1 headlight ECU sub-assembly RH does not receive data from the No. 1 headlight ECU sub-assembly LH circuit plate for approximately 10 seconds or more.

  • CAN communication system

  • No. 1 headlight ECU sub-assembly LH

  • No. 1 headlight ECU sub-assembly RH

 No. 1 headlight ECU sub-assembly RH
U023A Lost Communication with Front Camera Module The main body ECU (multiplex network body ECU) does not receive data from the forward recognition camera for approximately 10 seconds or more.

  • CAN communication system

  • Forward recognition camera

  • Main body ECU (multiplex network body ECU)

 Main body ECU (multiplex network body ECU)
U0242 Lost Communication With Headlamp Control Module "B" The No. 1 headlight ECU sub-assembly LH does not receive data from the headlight ECU sub-assembly RH circuit plate for approximately 10 seconds or more.

  • CAN communication system

  • No. 1 headlight ECU sub-assembly LH

  • No. 1 headlight ECU sub-assembly RH

 No. 1 headlight ECU sub-assembly LH

PROCEDURE


  1. CHECK FOR DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > HL AutoLeveling > Clear DTCs
      Body Electrical > HL AutoLeveling (Sub) > Clear DTCs
      Body Electrical > Main Body > Clear DTCs

    2. Check for DTCs.

      Click here


      Body Electrical > HL AutoLeveling > Trouble Codes
      Body Electrical > HL AutoLeveling (Sub) > Trouble Codes
      Body Electrical > Main Body > Trouble Codes
      OK
      DTCs U0073, U0100, U0101, U0126, U0129, U0130, U0132, U0142, U0155, U0168, U0182, U023A and U0242 are not output.
      Result
      Proceed to
      OK
      NG

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

    GO TO CAN COMMUNICATION SYSTEM Click here