DTC P0C73-96: Motor Electronics Coolant Pump "A" Component Internal Failure [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.
The inverter water pump assembly transmits rotation speed information to the hybrid vehicle control ECU. The hybrid vehicle control ECU monitors the speed and detects malfunctions.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Warning Indicate |
|---|---|---|---|---|---|
| P0C7396 | Motor Electronics Coolant Pump "A" Component Internal Failure | The inverter water pump assembly revolution speed is abnormally high or low (or stopped) for 1 minute or more. (1 trip detection logic) |
|
Comes on | Master Warning: Comes on |
HINT:
The inverter water pump assembly operates when the power switch is on (READY).
RELATED DATA LIST
| DTC No. | Data List |
|---|---|
| P0C7396 |
|
RELATED ACTIVE TEST
| DTC No. | Active Test |
|---|---|
| P0C7396 | Activate the Inverter Water Pump |