DTC P0A1B-505: Drive Motor "A" Control Module; DTC P0A1B-806: Drive Motor "A" Control Module [12/2014 - ]: Description
For a description of the inverter. Refer to DESCRIPTION .
If the motor inverter overheats, has a circuit malfunction, or has an internal short, the inverter transmits this information to the MG ECU via the motor inverter fail signal line. If an abnormal amount of current flows through the motor inverter, the MG ECU detects it and sends a signal to inform the hybrid vehicle control ECU of the malfunction.
HINT:
The term "drive motor A" indicates MG2.
| DTC No. | INF Code | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| P0A1B | 505 | Motor inverter fail signal detection (overcurrent due to MG ECU malfunction)* (1 trip detection logic) |
Inverter with converter assembly |
| 806 | Abnormal motor (MG2) current value detection (MG ECU malfunction)* (1 trip detection logic) |
- *: The MG ECU, which is built into the inverter with converter assembly, is suspected to be the main cause of the malfunction.