LIGHTING SYSTEM, Diagnostic DTC:B2451

DTC Code DTC Name
B2451 Vehicle Specifications have not been Stored

DESCRIPTION

The headlight leveling ECU stores this DTC if the vehicle specifications have not been stored in the headlight leveling ECU.

Tech Tips

The vehicle specifications are stored in the ECU at the factory.

DTC Code DTC Detection Condition Trouble Area
B2451 Vehicle specifications have not been stored. Headlight leveling ECU assembly

CAUTION / NOTICE / HINT

Note

After replacing the headlight leveling ECU, initialization of the ECU is necessary Click here.

PROCEDURE


  1. REPLACE HEADLIGHT LEVELING ECU ASSEMBLY


    1. Temporarily replace the headlight leveling ECU with one that has vehicle specifications stored Click here.


    NEXT

  2. PERFORM HEADLIGHT LEVELING ECU INITIALIZATION


    1. Perform initialization of the headlight leveling ECU Click here.


    NEXT

    END (HEADLIGHT LEVELING ECU ASSEMBLY WAS DEFECTIVE)