DTC P0A81-00: Hybrid/EV Battery Cooling Fan 1 Control Circuit High; DTC P0A8115: Hybrid/EV Battery Cooling Fan 1 Circuit Short to Auxiliary Battery or Open [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 P0A8111.
Refer to DESCRIPTION
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Warning Indicate |
|---|---|---|---|---|---|
| P0A8100 | Hybrid/EV Battery Cooling Fan 1 Control Circuit High | Both of the following conditions are met:
(1 trip detection logic) |
|
Comes on | Master Warning: Comes on |
| P0A8115 | Hybrid/EV Battery Cooling Fan 1 Circuit Short to Auxiliary Battery or Open | Both of the following conditions are met:
(1 trip detection logic) |
|
Comes on | Master Warning: Comes on |
RELATED DATA LIST
| DTC No. | Data List |
|---|---|
| P0A8100 |
|
| P0A8115 |
The following items can be helpful when performing repairs:
Data List
- Hybrid Battery Temperature 1 to 3
- BATT Voltage
HINT:
- "Hybrid Battery Cooling Fan 1 Frequency" is detected when the battery cooling blower assembly is operating and its value changes in proportion to the battery cooling blower assembly speed.
- If the battery cooling blower assembly speed is excessively high, this DTC is stored.