DTC P0A1B-547: Drive Motor "A" Control Module [12/2014 - ]: Description
For a description of the boost converter. Refer to DESCRIPTION .
If a malfunction occurs in the boost converter, the MG ECU detects it and transmits this information to the hybrid vehicle control ECU.
| DTC No. | INF Code | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| P0A1B | 547 | Boost converter overvoltage signal detection (overvoltage due to MG ECU malfunction) Overvoltage is detected before boosting.* (1 trip detection logic) |
Inverter with converter assembly |
*: The MG ECU, which is built into in the inverter with converter assembly, is suspected as a main cause of the malfunction.
RELATED DATA LIST
| DTC No. | Data List |
|---|---|
| P0A1B-547 | VL-Voltage before Boosting |