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, power management control ECU, skid control ECU, power steering ECU assembly 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 conditions is detected:


  1. No communication with ECM or power management control ECU continues for 2 seconds or more

  • ECM

  • Power management control ECU

  • CAN communication system

  • Combination meter assembly (No. 3 meter circuit plate)
U0129

When 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 (No. 3 meter circuit plate)
U0131

When 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 assembly

  • CAN communication system

  • Combination meter assembly (No. 3 meter circuit plate)
U0151

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


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

  • Airbag ECU assembly

  • CAN communication system

  • Combination meter assembly (No. 3 meter circuit plate)

INSPECTION PROCEDURE

PROCEDURE


  1. CONFIRM DTC OUTPUT


    1. Check if CAN communication DTCs are output Click here.

      Result
      Result Proceed to
      CAN communication DTCs are output. A
      CAN communication DTCs are 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