AUTOMATIC HEADLIGHT BEAM LEVEL CONTROL SYSTEM(for Sedan), Diagnostic DTC:U1000

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

DESCRIPTION

The headlight leveling ECU assembly stores this DTC if an internal error related to the CAN communication system is detected.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

U1000

CAN Communication Failure (Message Registry)

CAN communication failure

Headlight leveling ECU assembly

CAUTION / NOTICE / HINT

Note:

Make sure to perform vehicle information synchronization and initialization after replacing the headlight leveling ECU assembly.

Click here

PROCEDURE

  1. CLEAR DTC

    1. Clear the DTCs.

      Click here

      Body Electrical > HL AutoLeveling > Clear DTCs

    Result

    Proceed to

    NEXT

    NEXT
  2. CHECK FOR DTC

    1. Check for DTCs.

      Click here

      Body Electrical > HL AutoLeveling > Trouble Codes

    Result

    Result

    Proceed to

    DTC U1000 is not output

    A

    DTC U1000 is output

    B

    A

    USE SIMULATION METHOD TO CHECK

    B

    REPLACE HEADLIGHT LEVELING ECU ASSEMBLY