DTC P0A94-589: DC / DC Converter Performance; DTC P0A94-590: DC / DC Converter Performance [08/2013 - ]: Description
WARNING: This page is about a different car, the 2014 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
The MG ECU uses a voltage sensor that is built into the boost converter to detect pre-boost high voltage (VL) to allow boost control. The MG ECU monitors the boost converter voltage sensor signal line and detects the following malfunctions.
| DTC No. | INF Code | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| P0A94 | 589 | Open or short to GND in the boost converter voltage (VL) sensor circuit | Inverter with converter assembly |
| 590 | Short to +B in the boost converter voltage (VL) sensor circuit |