METER / GAUGE SYSTEM, Diagnostic DTC:U0100, U0129, U0131, U0142, U0151, U0182, U023A, U1104

DTC Code DTC Name
U0100 Lost Communication with EV ECU
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
U0182 Lost Communication with Lighting Control Module Front
U023A Lost Communication with Front Camera Module
U1104 Lost Communication with Driving Support ECU

DESCRIPTION

DTC No. Detection Item DTC Detection Condition Trouble Area
U0100 Lost Communication with EV ECU

Both conditions are met:


  • IG voltage is 9.5 V or higher.

  • No communication with the ECM or hybrid vehicle control ECU continues for 2 seconds or more.

  • ECM

  • Hybrid vehicle control ECU

  • CAN communication system

  • Combination meter assembly
U0129 Lost Communication with Brake System Control Module

Both conditions are met:


  • IG voltage is 9.5 V or higher.

  • No communication with the brake booster with master cylinder assembly (skid control ECU) continues for 3 seconds or more.

  • Brake booster with master cylinder assembly (skid control ECU)

  • CAN communication system

  • Combination meter assembly
U0131 Lost Communication with Power Steering Control Module

Both conditions are met:


  • IG voltage is 9.5 V or higher.

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

  • Power steering ECU assembly

  • CAN communication system

  • Combination meter assembly
U0142 Lost Communication with Body Control Module "B"

Both conditions are met:


  • IG voltage is 9.5 V or higher.

  • No communication with the 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 Lost Communication with Restraints Control Module

Both conditions are met:


  • IG voltage is 9.5 V or higher.

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

  • Airbag ECU assembly

  • CAN communication system

  • Combination meter assembly
U0182 Lost Communication with Lighting Control Module Front

Both conditions are met:


  • IG voltage is 9.5 V or higher.

  • No communication with the headlight light control ECU sub-assembly continues for 10 seconds or more.

  • Headlight light control ECU sub-assembly

  • CAN communication system

  • Combination meter assembly
U023A Lost Communication with Front Camera Module

Both conditions are met:


  • IG voltage is 9.5 V or higher.

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

  • Lane departure warning camera

  • CAN communication system

  • Combination meter assembly
U1104 Lost Communication with Driving Support ECU

Both conditions are met:


  • IG voltage is 9.5 V or higher.

  • No communication with the driving support ECU assembly continues for 10 seconds or more.

  • Driving support ECU assembly

  • CAN communication system

  • Combination meter assembly

PROCEDURE


  1. CHECK FOR DTC


    1. Check for DTCs .

      for LHD: Click here

      for RHD: Click here

      OK
      No DTCs are output.

      Body Electrical > Combination Meter > Trouble Codes
      Result
      Result Proceed to
      OK A
      NG (for LHD) B
      NG (for RHD) C

    A

    USE SIMULATION METHOD TO CHECK Click here

    B

    GO TO CAN COMMUNICATION SYSTEM Click here

    C

    GO TO CAN COMMUNICATION SYSTEM Click here