DTC B2439: Headlight LH Circuit; DTC B243A: Headlight RH Circuit [12/2018 -]: Description
WARNING: This page is about a different car, the 2022 Toyota Prius, 2021 Toyota Prius, 2020 Toyota Prius, and 2019 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.
A DTC is stored when the No. 1 headlight ECU sub-assembly receives a light source malfunction signal from its respective headlight unit assembly. The No. 1 headlight ECU sub-assembly LH stores DTC B2439 and B243A.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Note |
|---|---|---|---|---|
| B2439 | Headlight LH Circuit | No. 1 headlight ECU sub-assembly LH light source malfunction |
|
- |
| B243A | Headlight RH Circuit | No. 1 headlight ECU sub-assembly RH light source malfunction |
|
- |