DTC P0C73-776: Motor Electronics Coolant Pump "A" Control Performance [12/2014 - ]: Description
The inverter water pump assembly transmits rotation revolution speed information to the hybrid vehicle control ECU. The hybrid vehicle control ECU monitors the revolution speed and detects malfunctions.
| DTC No. | INF Code | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| P0C73 | 776 | 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) |
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RELATED DATA LIST
| DTC No. | Data List |
|---|---|
| P0C73-776 |
|
The following items can be helpful when performing repairs:
Data List
- Inverter Coolant Water Temperature
- Ambient Temperature
- *1: This Data List item is related to the inverter water pump assembly.
RELATED ACTIVE TEST
| DTC No. | Active Test |
|---|---|
| P0C73-776 | Activate the Water Pump*2 |
- *2: This is an Active Test of the inverter water pump assembly.