LIGHTING SYSTEM, Diagnostic DTC:U1000

DTC Code DTC Name
U1000 CAN Communication Failure (Message Registry)

DESCRIPTION

The headlight ECU sub-assembly stores this DTC if it detects an internal malfunction related to the CAN communication system.

DTC Code DTC Detection Condition Trouble Area
U1000 CAN communication failure Headlight ECU sub-assembly LH

CAUTION / NOTICE / HINT

Note

If the headlight ECU sub-assembly LH has been replaced, it is necessary to synchronize the vehicle information Click here.

PROCEDURE


  1. CHECK FOR DTC


    1. Turn the engine switch on (IG).

    2. Check for DTCs Click here.

      OK
      DTC U1000 is not output.

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

    REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH Click here