METER / GAUGE SYSTEM, Diagnostic DTC:U0100, U0182

DTC Code DTC Name
U0100 Lost Communication with ECM / PCM "A"
U0182 Lost Communication with Lighting Control Module Front

DESCRIPTION


The combination meter assembly communicates with the ECM via the CAN communication system.

The combination meter assembly communicates with the headlight leveling ECU assembly via the CAN communication system*.

DTC Code DTC Detection Condition Trouble Area
U0100

Both conditions are met:


  • IG voltage is 10.5 V or higher.

  • No communication with the ECM continues for 2 seconds or more.

  • ECM

  • CAN communication system

  • Combination meter assembly
U0182*

Both conditions are met:


  • IG voltage is 10.5 V or higher.

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

  • Headlight leveling ECU assembly

  • CAN communication system

  • Combination meter assembly

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK FOR DTC


    1. Check for DTCs Click here.

      Tech Tips

      If CAN communication system DTC U0100 or U0182* and another DTC are output at the same time, perform troubleshooting for CAN communication system DTC U0100 or U0182 first.

      OK
      NO DTCs are output.

    NG

    GO TO CAN COMMUNICATION SYSTEM Click here

    OK

    USE SIMULATION METHOD TO CHECK Click here