LIGHTING SYSTEM, Diagnostic DTC:B2420

DTC Code DTC Name
B2420 HL AutoLeveling ECU Failure

DESCRIPTION

When the headlight leveling ECU assembly detects a malfunction in itself, the DTC is stored.

DTC No. DTC Detection Condition Trouble Area
B2420 Malfunction of headlight leveling ECU assembly Headlight leveling ECU assembly

PROCEDURE


  1. CHECK FOR DTC


    1. Clear the DTCs Click here.

    2. Check for DTCs Click here.

      OK
      DTC B2420 is not output.

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

    REPLACE HEADLIGHT LEVELING ECU ASSEMBLY Click here