DTC P0A1B-94: Drive Motor "A" Control Module Unexpected Operation [09/2023 - ]: Description
WARNING: This page is about a different car, the 2024 Lexus TX 500h. However, it is still accessible from the selected car via links, so may be relevant.
The hybrid vehicle control ECU assembly 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 | DTC Output from | Priority | Note |
|---|---|---|---|---|---|---|---|---|
| P0A1B-94 | Drive Motor "A" Control Module Unexpected Operation | The motor generator control ECU (MG ECU) value received by the hybrid vehicle control ECU assembly exceeds the threshold for a certain period of time. (1 trip detection logic) |
|
Comes on | Master Warning: Comes on |
Hybrid Control | A | SAE Code: P0A1B |