DTC P0A1D-721 Hybrid Powertrain Control Module; DTC P0A1D-722 Hybrid Powertrain Control Module; DTC P0A1D-723 Hybrid Powertrain Control Module; DTC P0A1D-724 Hybrid Powertrain Control Module; DTC P0A1D-787 Hybrid Powertrain Control Module: Description
WARNING: This page is about a different car, the 2006 Lexus RX 400h. However, it is still accessible from the selected car via links, so may be relevant.
The HV control ECU monitors internal operations and detects a malfunction.
DTC DETECTION TROUBLE CONDITION
| DTC No. | INF Code | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| P0A1D | 721 | ECU internal error | HV control ECU |
| 722 | ECU internal error | HV control ECU | |
| 723 | ECU internal error | HV control ECU | |
| 724 | ECU internal error | HV control ECU | |
| 787 | ECU internal error | HV control ECU |