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, power management control ECU, skid control ECU, power steering ECU assembly, main body ECU (multiplex network body ECU), and airbag ECU assembly via the CAN communication system.

DTC No. DTC Detection Condition Trouble Area
U0100

When IG voltage is 9.5 V or more and the following condition is detected:


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

  • ECM

  • Power management control ECU

  • CAN communication system

  • Combination meter assembly
U0129

When IG voltage is 9.5 V or more and the following condition 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

When IG voltage is 9.5 V or more and the following condition is detected:


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

  • Power steering ECU assembly

  • CAN communication system

  • Combination meter assembly
U0142

When IG voltage is 9.5 V or more and the following condition 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 IG voltage is 9.5 V or more and the following condition is detected:


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

  • Airbag ECU 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 power switch on (IG).

    3. Turn the intelligent tester on.

    4. Enter the following menus: Body / DTC.

    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
      DTC is output. A
      DTC is not output. B

      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

    USE SIMULATION METHOD TO CHECK Click here

    A

    GO TO CAN COMMUNICATION SYSTEM Click here