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

DTC Code DTC Name
U0100 Lost Communication with ECM / PCM "A"
U0129 Lost Communication with Skid Control ECU
U0131 Lost Communication with Power Steering Control Module
U0142 Lost Communication with Main Body ECU
U0151 Lost Communication with Airbag ECU

DESCRIPTION

DTC No. DTC Detection Condition Trouble Area
U0100*

Both conditions are met:


  • The voltage at the IG power supply terminal of the combination meter assembly is between 9.5 and 11.5 V.

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

  • ECM

  • CAN communication system

  • Combination meter assembly
U0129

Both conditions are met:


  • The voltage at the IG power supply terminal of the combination meter assembly is between 9.5 and 11.5 V.

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

  • Skid control ECU

  • CAN communication system

  • Combination meter assembly
U0131*2

Both conditions are met:


  • The voltage at the IG power supply terminal of the combination meter assembly is between 9.5 and 11.5 V.

  • 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*3

Both conditions are met:


  • The voltage at the IG power supply terminal of the combination meter assembly is between 9.5 and 11.5 V.

  • 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

Both conditions are met:


  • The voltage at the IG power supply terminal of the combination meter assembly is between 9.5 and 11.5 V.

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

  • Center airbag sensor assembly

  • CAN communication system

  • Combination meter assembly

PROCEDURE


  1. CONFIRM DTC OUTPUT


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / Trouble Codes.

    5. Clear the stored DTCs.

    6. Drive the vehicle at more than 5 km/h (3.1 mph) for at least 60 seconds.

    7. Stop the vehicle.

    8. Check for DTCs Click here.

      Result
      Result Proceed to
      CAN communication system DTC is not output A
      CAN communication system DTC is output (w/ Central Gatway ECU) B
      CAN communication system DTC is output (w/o Central Gatway ECU) C

      Tech Tips

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


    A

    USE SIMULATION METHOD TO CHECK Click here

    B

    GO TO CAN COMMUNICATION SYSTEM Click here

    C

    GO TO CAN COMMUNICATION SYSTEM Click here