DTC B2450: Height Sensor Initialization Incomplete [06/2018 - ]: Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2024 Lexus ES 300h, 2023 Lexus ES 300h, 2022 Lexus ES 300h, 2021 Lexus ES 300h, and 2020 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.

INITIALIZATION HEADLIGHT ECU SUB-ASSEMBLY LH

Perform initialization of the headlight ECU sub-assembly LH.

Refer to INITIALIZATION [06/2018 - 08/2020] , or refer to INITIALIZATION [08/2020 - 08/2021] , or refer to INITIALIZATION [08/2021 - ]

Result

Proceed to
NEXT

Result:

See step 2

CLEAR DTC

Connect the Techstream to the DLC3.
Turn the power switch on (IG).
Turn the Techstream on.
Enter the following menus: Body Electrical / AFS / Trouble Codes.

Clear the DTCs.

Body Electrical > AFS > Clear DTCs

Result

Proceed to
NEXT

Result:

See step 3

CHECK FOR DTC

Connect the Techstream to the DLC3.
Turn the power switch on (IG).
Turn the Techstream on.
Enter the following menus: Body Electrical / AFS / Trouble Codes.

Check for DTCs.

Body Electrical > AFS > Trouble Codes

DTC B2450 is not output.

HINT:

If the headlight ECU sub-assembly LH stores DTC B2450 even though the ECU has been initialized, there may be a malfunction in the headlight ECU sub-assembly LH.

Result

Proceed to
OK
NG

Result:

END (INITIALIZATION WAS NOT COMPLETED)

Result:

REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH. Refer to REMOVAL [06/2018 - 09/2022] , or refer to REMOVAL [09/2022 - ]