DTC P0AA0-73: Hybrid/EV Battery Positive and Negative Contactor Actuator Stuck Closed [10/2018 - ]: Description
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2024 Lexus UX 250h, 2023 Lexus UX 250h, 2022 Lexus UX 250h, 2021 Lexus UX 250h, and 2020 Lexus UX 250h. However, it is still accessible from the selected car via links, so may be relevant.
Refer to the description for DTC P0AE411.
Refer to DESCRIPTION
This circuit uses the hybrid vehicle control ECU to monitor the system main relays and stops the system if a malfunction is detected in the relays, because it may be impossible to shut off the high-voltage system if any of the relays becomes stuck.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Warning Indicate |
|---|---|---|---|---|---|
| P0AA073 | Hybrid/EV Battery Positive and Negative Contactor Actuator Stuck Closed | Even both of the system main relays (HV battery positive (+) and negative (-) terminal side) are turned off, the inverter voltage (VH) does not drop. (1 trip detection logic) |
|
Does not come on | Master Warning: Comes on |
RELATED DATA LIST
| DTC No. | Data List |
|---|---|
| P0AA073 |
|