DTC P0A1B-554: Drive Motor "A" Control Module; DTC P0A1C-169: Drive Motor "B" Control Module [10/2015 - ]: 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 assembly.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Warning Indicate |
|---|---|---|---|---|---|
| P0A1B-554 | Drive Motor "A" Control Module | Boost converter fail signal detected (overcurrent due to MG ECU malfunction)* (1 trip detection logic) |
|
Comes on | Master Warning Light: Comes on |
| P0A1C-169 | Drive Motor "B" Control Module | Boost converter fail signal detected (overcurrent due to rear motor ECU malfunction)* (1 trip detection logic) |
|
Comes on | Master Warning Light: Comes on |
*: The MG ECU, which is built into in the inverter with converter assembly, can be suspected as a main cause of the malfunction.