LIGHTING SYSTEM, Diagnostic DTC:U0073, U0100, U0101, U0126, U0129, U0142, U0155, U0293

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
U0293 Lost Communication with Hybrid Vehicle Control System

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 hybrid vehicle control ECU
  • CAN communication system

  • Hybrid vehicle control ECU

w/ Adaptive High Beam System
U0101 Lost Communication with TCM Lost communication with hybrid vehicle control ECU
  • CAN communication system

  • Hybrid vehicle control ECU

-
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 booster with master cylinder assembly (skid control ECU assembly)
  • CAN communication system

  • Brake booster with master cylinder assembly (skid control ECU assembly)

-
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 (meter circuit plate)
  • CAN communication system

  • Combination meter assembly (meter circuit plate)

-
U0293 Lost Communication with Hybrid Vehicle Control System Lost communication with hybrid vehicle control ECU
  • CAN communication system

  • Hybrid vehicle control ECU

-

PROCEDURE


  1. CLEAR DTC


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / HL AutoLeveling*1 or AHS*2 / Trouble Codes.


      • *1: w/o Adaptive High Beam System

      • *2: w/ Adaptive High Beam System

    5. Clear the DTCs.


      Body Electrical > HL AutoLeveling > Clear DTCs
      Body Electrical > AHS > Clear DTCs
      Result
      Proceed to
      NEXT

    NEXT
  2. CHECK FOR DTC


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / HL AutoLeveling*1 or AHS*2 / Trouble Codes.


      • *1: w/o Adaptive High Beam System

      • *2: w/ Adaptive High Beam System

    5. Check for DTCs.


      Body Electrical > HL AutoLeveling > Trouble Codes
      Body Electrical > AHS > Trouble Codes
      OK
      DTCs are not output.
      Result
      Proceed to
      OK
      NG

    OK
    NG