DTC P0A1C-94: Drive Motor "B" Control Module Unexpected Operation [11/2022 - ]: Description
WARNING: This page is about a different car, the 2025 Toyota Corolla Cross, 2024 Toyota Corolla Cross, and 2023 Toyota Corolla Cross. However, it is still accessible from the selected car via links, so may be relevant.
The hybrid vehicle control ECU monitors the motor generator control ECU (MG ECU) and stores this DTC when it detects a malfunction.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Warning Indicate | Note |
|---|---|---|---|---|---|---|
| P0A1C-94 | Drive Motor "B" Control Module Unexpected Operation | The motor generator control ECU (MG ECU) value received by the hybrid vehicle control ECU differs from the expected value for a certain period of time. (1 trip detection logic) |
Inverter with converter assembly | Does not come on | Master Warning: Comes on | SAE Code: P0A1C |