METER / GAUGE SYSTEM, Diagnostic DTC:U0100,U0129,U0131,U0142,U0151 and 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, brake actuator assembly (skid control ECU), power steering ECU assembly, airbag sensor assembly and pre-crash safety city sensor* via the CAN communication system.

  • *: w/ Pre-crash Safety System

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

Memory

Note

U0100

Lost Communication with ECM / PCM "A"

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

DTC stored

-

U0129

Lost Communication with Brake System Control Module

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

  • No communication with brake actuator assembly (skid control ECU) continues for 2 seconds or more

  • Brake actuator assembly (skid control ECU)

  • CAN communication system

  • Combination meter assembly

DTC stored

-

U0131

Lost Communication with Power Steering Control Module

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

DTC stored

-

U0142

Lost Communication with Body Control Module "B"

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

  • No communication with main brake actuator assembly (skid control ECU) continues for 10 seconds or more

  • Brake actuator assembly (skid control ECU)

  • CAN communication system

  • Combination meter assembly

DTC stored

w/ Tire Pressure Warning System

U0151

Lost Communication with Restraints Control Module

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

DTC stored

-

U023A

Lost Communication with Front Camera Module

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

  1. No communication with pre-crash safety city sensor continues for 10 seconds or more

  • Pre-crash safety city sensor

  • CAN communication system

  • Combination meter assembly

DTC stored

w/ Pre-crash Safety System

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
    A

    GO TO CAN COMMUNICATION SYSTEM

    Click here

    B

    USE SIMULATION METHOD TO CHECK

    Click here