METER / GAUGE SYSTEM, Diagnostic DTC:U0100, U0129, U0131, U0142, U0151, U0163, U023A, U1104

DTC Code DTC Name
U0100 Lost Communication with ECM / PCM "A"
U0129 Lost Communication with Skid Control ECU
U0131 Lost Communication with Electric Power Steering ECU
U0142 Lost Communication with Main Body ECU
U0151 Lost Communication with Airbag ECU
U0163 Last Communication With Navigation ECU
U023A Lost Communication with Front Camera Module
U1104 Lost Communication with Driving Support ECU

DESCRIPTION



DTC No. Detection Item DTC Detection Condition Trouble Area
U0100 Lost Communication with ECM / PCM "A"

Both conditions are met:


  • IG voltage is 10.5 V or higher.

  • No communication with the ECM continues for 2 seconds or more.

  • ECM

  • CAN communication system

  • Combination meter assembly
U0129 Lost Communication with Skid Control ECU

Both conditions are met:


  • IG voltage is 10.5 V or higher.

  • No communication with the brake actuator assembly (skid control ECU) continues for 3 seconds or more.

  • Brake actuator assembly (skid control ECU)

  • CAN communication system

  • Combination meter assembly
U0131 Lost Communication with Electric Power Steering ECU

Both conditions are met:


  • IG voltage is 10.5 V or higher.

  • No communication with the power steering ECU assembly continues for 3 seconds or more.

  • Power steering ECU assembly

  • CAN communication system

  • Combination meter assembly
U0142 Lost Communication with Main Body ECU

Both conditions are met:


  • IG voltage is 10.5 V or higher.

  • No communication with the main body ECU (multiplex network body ECU) continues for 3 seconds or more.

  • Main body ECU (Multiplex network body ECU)

  • CAN communication system

  • Combination meter assembly
U0151 Lost Communication with Airbag ECU

Both conditions are met:


  • IG voltage is 10.5 V or higher.

  • No communication with the airbag sensor assembly continues for 10 seconds or more.

  • Airbag sensor assembly

  • CAN communication system

  • Combination meter assembly
U0163 Last Communication With Navigation ECU

Both conditions are met:


  • IG voltage is 10.5 V or higher.

  • No communication with the Navigation ECU continues for 3 seconds or more.

  • Radio and display receiver assembly*1 or navigation receiver assembly*2

  • CAN communication system

  • Combination meter assembly
U023A Lost Communication with Front Camera Module

Both conditions are met:


  • IG voltage is 10.5 V or higher.

  • No communication with the front camera module continues for 10 seconds or more.

  • Forward recognition camera

  • CAN communication system

  • Combination meter assembly
U1104 Lost Communication with Driving Support ECU

Both conditions are met:


  • IG voltage is 10.5 V or higher.

  • No communication with the front driving support ECU continues for 10 seconds or more.

  • Driving support ECU

  • CAN communication system

  • Combination meter assembly

PROCEDURE


  1. CHECK FOR DTC


    1. Check for DTCs.

      Click here


      Body Electrical > Combination Meter > Trouble Codes

      Tech Tips

      If CAN communication system DTC U0100, U0129, U0131, U0142, U0151, U0163, U023A or U1104 and another DTC are output at the same time, perform troubleshooting for CAN communication system DTC U0100, U0129, U0131, U0142, U0151, U0163, U023A or U1104 first.

      Result
      Proceed to
      CAN communication system DTC is not output
      CAN communication system DTC is output

    CAN communication system DTC is not output

    USE SIMULATION METHOD TO CHECK Click here

    CAN communication system DTC is output

    GO TO CAN COMMUNICATION SYSTEM for LHD with Central Gateway ECU: Click here for RHD with Central Gateway ECU: Click here for LHD without Central Gateway ECU: Click here for RHD without Central Gateway ECU: Click here