METER / GAUGE SYSTEM, Diagnostic DTC:U0100, U0129, U0131, U0142, U0151, U0163, 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
U0163 Lost Communication with Navigation Control Module
U023A Lost Communication with Front Camera Module

DESCRIPTION

The combination meter assembly communicates with the ECM, brake actuator assembly (skid control ECU), main body ECU (multiplex network body ECU), airbag sensor assembly, radio and display receiver assembly*1 and pre-crash safety city sensor*2 via the CAN communication 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 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

 DTC stored for Multi-information Display (Segment LCD Type)
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 -
U0163 Lost Communication with Navigation Control Module

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


  • No communication with radio and display receiver assembly continues for 3 seconds or more

  • Radio and display receiver assembly

  • CAN communication system

  • Combination meter assembly

 DTC stored for Multi-information Display (Color Type) with Radio and Display Receiver Assembly
U023A Lost Communication with Front Camera Module

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


  • No communication with pre-crash safety city sensor continues for 3 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