METER / GAUGE SYSTEM, Diagnostic DTC:U0100, U0129, U0131, 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
U0151 Lost Communication with Airbag ECU

DESCRIPTION

The combination meter assembly communicates with the ECM, skid control ECU, power steering ECU, or center airbag sensor assembly via the CAN communication system (CAN V1 Bus).

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

  • 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 continues for 3 seconds or more

  • Power steering 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 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 power switch on (IG).

    3. Turn the intelligent tester on.

    4. Enter the following menus: Body / 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
      DTC is output. A
      DTC is not output. B

      Tech Tips

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


    B

    USE SIMULATION METHOD TO CHECK Click here

    A

    GO TO CAN COMMUNICATION SYSTEM Click here