DTC P0A1D-721: Hybrid Powertrain Control Module; DTC P0A1D-722: Hybrid Powertrain Control Module; DTC P0A1D-723: Hybrid Powertrain Control Module; DTC P0A1D-787: Hybrid Powertrain Control Module; DTC P0A1D-818: Hybrid Powertrain Control Module [11/2016 - ]: Description
WARNING: This page is about a different car, the 2019 Toyota Highlander, 2018 Toyota Highlander, and 2017 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.
The hybrid vehicle control ECU assembly monitors its internal operation, it will store DTCs and perform fail-safe control if it detects any of the following malfunctions. If any of the following DTCs are output, replace the hybrid vehicle control ECU assembly.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Warning Indicate |
|---|---|---|---|---|---|
| P0A1D-721 | Hybrid Powertrain Control Module | ECU internal malfunction (1 trip detection logic) |
Hybrid vehicle control ECU assembly | Comes on | Master Warning Light: Comes on |
| P0A1D-722 | Hybrid Powertrain Control Module | ECU internal malfunction (1 trip detection logic) |
Hybrid vehicle control ECU assembly | Comes on | Master Warning Light: Comes on |
| P0A1D-723 | Hybrid Powertrain Control Module | ECU internal malfunction (1 trip detection logic) |
Hybrid vehicle control ECU assembly | Comes on | Master Warning Light: Comes on |
| P0A1D-787 | Hybrid Powertrain Control Module | ECU internal malfunction (1 trip detection logic) |
Hybrid vehicle control ECU assembly | Comes on | Master Warning Light: Comes on |
| P0A1D-818 | Hybrid Powertrain Control Module | ECU internal malfunction (1 trip detection logic) |
Hybrid vehicle control ECU assembly | Comes on | Master Warning Light: Comes on |