DTC P0A1F-94: Hybrid/EV Battery Energy Control Module Unexpected Operation [06/2020 - ]: Description
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2025 Toyota RAV4, 2024 Toyota RAV4, 2023 Toyota RAV4, 2022 Toyota RAV4, and 2021 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.
The hybrid vehicle control ECU assembly (main CPU) monitors the battery ECU assembly and stores this DTC when it detects a malfunction.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Warning Indicate |
|---|---|---|---|---|---|
| P0A1F-94 | Hybrid/EV Battery Energy Control Module Unexpected Operation | The battery ECU assembly value received by the hybrid vehicle control ECU assembly (main CPU) exceeds the threshold for a certain period of time. (1 trip detection logic) |
Battery ECU assembly | Comes on | Master Warning: Comes on |