METER / GAUGE SYSTEM, Diagnostic DTC:U0100, U0129, U0131, U0142, U0151, U023A

DTC Code DTC Name
U0100 Lost Communication with ECM / PCM "A"
U0129 Lost Communication with Brake System Control Module
U0131 Lost Communication with Power Steering Control Module
U0142 Lost Communication with Body Control Module "B"
U0151 Lost Communication with Restraints Control Module
U023A Lost Communication with Front Camera Module

DESCRIPTION

The combination meter assembly communicates with the ECM, skid control ECU, power steering ECU assembly, main body ECU (multiplex network body ECU), airbag sensor assembly and lane departure warning camera 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:


  • 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:


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

  • Brake actuator assembly (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:


  • 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:


  • No communication with main body ECU (multiplex network body ECU) continues for 10 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:


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

  • Airbag sensor assembly

  • CAN communication system

  • Combination meter assembly
U023A

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


  • No communication with lane departure warning camera continues for 10 seconds or more

  • Lane departure warning camera

  • CAN communication system

  • Combination meter assembly

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK CAN COMMUNICATION SYSTEM


    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, U0142, U0151 or U023A and another DTC are output at the same time, perform troubleshooting for CAN communication system DTC U0100, U0129, U0131, U0142, U0151 or U023A first.


    B

    USE SIMULATION METHOD TO CHECK Click here

    A

    GO TO CAN COMMUNICATION SYSTEM Click here