DTC P0C73-776: Motor Electronics Coolant Pump "A" Control Performance [02/2014 - 11/2016]: Description
The inverter water pump assembly transmits rotation speed information to the power management control ECU. The power management control ECU monitors the speed and detects malfunctions.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Warning Indicate |
|---|---|---|---|---|---|
| P0C73-776 | Motor Electronics Coolant Pump "A" Control Performance | The inverter water pump assembly revolution speed is abnormally high or low (or stop) for 1 minute or more. Or the inverter water pump assembly stops intermittently after abnormal revolution speed is detected. (1 trip detection logic) |
|
Comes on | Master Warning Light: Comes on |
HINT:
The inverter water pump assembly operates when the power switch is on (READY).
RELATED DATA LIST
| DTC No. | ECU Data List |
|---|---|
| P0C73-776 |
|
The following items can be helpful when performing repairs:
Data List
- Inverter Coolant Water Temperature
- Ambient Temperature
RELATED ACTIVE TEST
| DTC No. | Active Test |
|---|---|
| P0C73-776 | Activate the (Inverter) Water Pump |