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

The combination meter assembly communicates with the ECM via the CAN communication system (CAN No. 1 Bus).

DTC No. DTC Detection Condition Trouble Area
U0100

When the vehicle speed is 5 km/h (3.1 mph) or more, IG voltage is 9.5 V or more, and the following conditions is detected:


  1. No communication with ECM continues for 2 seconds or more

  • ECM

  • CAN communication system

  • Combination meter assembly
U0129

When 15 seconds have elapsed since engine started, IG voltage is 9.5 V or more, and the following conditions is detected:


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

  • Skid control ECU

  • CAN communication system

  • Combination meter assembly
U0131*1

When the vehicle speed is 5 km/h (3.1 mph) or more, IG voltage is 9.5 V or more, and the following conditions is detected:


  1. No communication with power steering ECU continues for 3 seconds or more

  • Power steering ECU

  • CAN communication system

  • Combination meter assembly
U0142*2

When the vehicle speed is 5 km/h (3.1 mph) or more, IG voltage is 9.5 V or more, and the following conditions is detected:


  1. No communication with 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

When the vehicle speed is 5 km/h (3.1 mph) or more, IG voltage is 9.5 V or more, and the following conditions is detected:


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

  • Center airbag sensor assembly

  • CAN communication system

  • Combination meter assembly

INSPECTION PROCEDURE

PROCEDURE


  1. CONFIRM DTC OUTPUT


    1. Connect the intelligent tester to the DLC3.

    2. Turn the ignition switch to on.

    3. Turn the tester 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 (for LHD with Entry and Start System) B
      CAN communication system DTC is output (for LHD without Entry and Start System) C
      CAN communication system DTC is output (for RHD with Entry and Start System) D
      CAN communication system DTC is output (for RHD without Entry and Start System) E

      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.


    B

    GO TO CAN COMMUNICATION SYSTEM Click here

    C

    GO TO CAN COMMUNICATION SYSTEM Click here

    D

    GO TO CAN COMMUNICATION SYSTEM Click here

    E

    GO TO CAN COMMUNICATION SYSTEM Click here

    A

    USE SIMULATION METHOD TO CHECK Click here