DTC P0A1B-503: Drive Motor "A" Control Module [10/2015 - ]: Description
For a description of the inverter (Refer to DESCRIPTION ).
If an overvoltage occurs in the motor inverter or generator inverter, the MG ECU detects it and transmits this information to the hybrid vehicle control ECU assembly.
HINT:
The term "drive motor A" indicates MG2.
| DTC No. | INF Code | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| P0A1B | 503 | Motor inverter overvoltage signal detection (overvoltage due to MG ECU malfunction) | Inverter with converter assembly |