DTC B2451: Vehicle Specifications have not been Stored [10/2014 - 09/2017]: Procedure

1. Register vehicle information for the headlight light control ECU sub-assembly LH.

   Refer to INITIALIZATION [10/2014 - 09/2017]

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  2

1. Clear the DTCs.

   Refer to DTC CHECK / CLEAR [10/2014 - 09/2017]

   Body Electrical > HL AutoLeveling > Clear DTCs 

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  3

1. Turn the engine switch on (IG).
2. Check for DTCs.

   Refer to DTC CHECK / CLEAR [10/2014 - 09/2017]

   Body Electrical > HL AutoLeveling > Trouble Codes 

   Result

   Proceed to
   DTC B2451 output does not occur
   DTC B2451 output occurs

Result: 

DTC B2451 output does not occur 

END (NORMAL AFTER VEHICLE INFORMATION REGISTERED) 

Result: 

DTC B2451 output occurs 

REPLACE HEADLIGHT LIGHT CONTROL ECU SUB-ASSEMBLY LH. Refer to  REMOVAL [10/2014 - 09/2017]