DTC P0A1B-94: Drive Motor "A" Control Module Unexpected Operation [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 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 |
|---|---|---|---|---|---|
| P0A1B-94 | Drive Motor "A" Control Module Unexpected Operation | The motor generator control ECU (MG ECU) value received by the hybrid vehicle control ECU exceeds the threshold for a certain period of time. (1 trip detection logic) |
|
Comes on | Master Warning Light: Comes on |