DTC B2451: Vehicle Specifications have not been Stored [10/2017 - 09/2019]: Procedure

WARNING: This page is about a different car, the 2019 Toyota C-HR and 2018 Toyota C-HR. However, it is still accessible from the selected car via links, so may be relevant.

VEHICLE INFORMATION HEADLIGHT ECU SUB-ASSEMBLY LH

Refer to INITIALIZATION [10/2017 - 09/2019]

Result

Proceed to
NEXT

Result:

See step 2

CLEAR DTC

Clear the DTCs.

Refer to DTC CHECK / CLEAR [02/2017 - 09/2019]

Body Electrical > HL AutoLeveling > Clear DTCs

Result

Proceed to
NEXT

Result:

See step 3

CHECK FOR DTC

Turn the ignition switch to ON.
Turn on the headlights using the light control switch.

Check for DTCs.

Refer to DTC CHECK / CLEAR [02/2017 - 09/2019]

Body Electrical > HL AutoLeveling > Trouble Codes

Result

Result	Proceed to
DTC B2451 output does not occur	A
DTC B2451 output occurs	B

Result:

END (NORMAL AFTER VEHICLE INFORMATION REGISTERED)

Result:

REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH. Refer to REMOVAL [10/2017 - 09/2019]