DTC B2424: Headlight Beam Level Control Motor LH Lost Communication; DTC B2425: Headlight Beam Level Control Motor RH Lost Communication [06/2018 - 07/2019]: Description
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.
Each headlight ECU sub-assembly and headlight leveling motor communicate via LIN communication.
The headlight leveling motor operates according to power supplied and automatic headlight beam level control signals from its respective headlight ECU sub-assembly and sends its operating state to the headlight ECU sub-assembly.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | DTC Output from |
|---|---|---|---|---|
| B2424 | Headlight Beam Level Control Motor LH Lost Communication | Detection condition:
Malfunction status:
Malfunction duration:
|
|
Headlight ECU sub-assembly LH |
| B2425 | Headlight Beam Level Control Motor RH Lost Communication | Detection condition:
Malfunction status:
Malfunction duration:
|
|
Headlight ECU sub-assembly LH |