DTC P31B4-00: Extreme Hybrid/EV Battery Charging Current [08/2020 - ]: Description
WARNING: This page is about a different car, the 2024 Lexus ES 300h, 2023 Lexus ES 300h, 2022 Lexus ES 300h, and 2021 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
The battery ECU assembly monitors its internal operation, it will set DTCs and perform fail-safe control when it detects the following malfunction.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Warning Indicate |
|---|---|---|---|---|---|
| P31B4-00 | Extreme Hybrid/EV Battery Charging Current | An abnormal signal is detected by the battery ECU assembly (excessive charging current). (1 trip detection logic) |
Hybrid vehicle control ECU | Does not come on | Master Warning Light: Comes on |
RELATED DATA LIST
| DTC No. | Data List |
|---|---|
| P31B4-00 | Hybrid/EV Battery Current |