The automobile fault code P0C73 indicates a problem with the inverter cooling system. This can be identified by the engine light being on or the service engine soon warning light.

The possible causes include a faulty inverter cooling system, an open or shorted inverter cooling system harness, poor electrical connection in the inverter cooling system circuit, issues with the inverter water pump assembly, or problems with the power management control ECU. To fix this issue, it is recommended to visually inspect the wiring harness and connectors, checking for any damage or corrosion.

The repair time for this fault code is estimated to be 1.0.

It is important to address this issue promptly to prevent further damage to the vehicle.

Repair Importance Level10.0 (Out of 10)
Estimated Repair TimeApproximately 1.0 hour
Repair Difficulty Level10.0 (Out of 10)

When the engine light is on or the service engine soon warning light is illuminated, it could be a sign of the p0c73 fault code.

  • The symptoms of the automobile fault code p0c73 include the Engine Light being ON or the Service Engine Soon Warning Light being illuminated.

The automobile fault code p0c73 can be caused by a faulty inverter cooling system, open or shorted harness, poor electrical connection, inverter water pump assembly, or power management control ECU.

  • The fault code p0c73 can be caused by the following: a faulty inverter cooling system, an open or shorted inverter cooling system harness, a poor electrical connection in the inverter cooling system circuit, a malfunctioning inverter water pump assembly, or a problem with the power management control ECU.

To fix the automobile fault code p0c73, start by visually inspecting the wiring harness, connectors, and components for any damage or corrosion.

  • To fix the automobile fault code p0c73, start by checking the possible causes mentioned above.
  • Then, visually inspect the wiring harness and connectors related to the issue.
  • Look for any damaged components and check for broken, bent, pushed out, or corroded connector pins.
  • This fix is estimated to take approximately 1.0 hour.

The automobile fault code p0c73 diagnosis and fixing cost is influenced by the estimated repair time, which is 1.0 hour.

Auto repair shops typically charge between $75 and $150 per hour for their services.

The P0C73 fault code refers to the Motor Electronics Coolant Pump ‘A’ Control Performance. This code is related to the inverter water pump assembly in the vehicle. The inverter water pump assembly is responsible for transmitting rotation speed information to the power management control ECU (HV CPU).

The power management control ECU (HV CPU) monitors the speed of the pump and detects any malfunctions. When this fault code appears, it indicates that there is an issue with the control performance of the coolant pump.

It is important to address this issue promptly to ensure proper functioning of the vehicle’s cooling system.

What are the possible causes of the automobile fault code p0c73?

If you see the engine light or service engine soon warning light on, the fault code P0C73 could be the culprit. This code is often caused by a faulty inverter cooling system, an open or shorted inverter cooling system harness, a poor electrical connection in the inverter cooling system circuit, a malfunctioning inverter water pump assembly, or a problem with the power management control ECU. To fix this issue, start by visually inspecting the wiring harness and connectors. Look for any damaged components and check for broken, bent, pushed out, or corroded connector pins.

How can I visually inspect the wiring harness and connectors to fix the fault code p0c73?

If you’re dealing with the fault code p0c73 and your engine light is on, it’s time to take a closer look at the wiring harness and connectors. The possible causes include a faulty inverter cooling system, an open or shorted harness, poor electrical connection in the circuit, issues with the inverter water pump assembly, or problems with the power management control ECU. To fix this, visually inspect the wiring harness and connectors for any signs of damage. Pay attention to broken, bent, pushed out, or corroded pins on the connectors. Don’t forget to check the “Possible Causes” mentioned earlier.

What should I look for when checking for damaged components and connector’s pins to resolve the fault code p0c73?

When dealing with the fault code p0c73, it’s important to address the issue promptly. Start by checking the “Possible Causes” mentioned, such as a faulty inverter cooling system or poor electrical connection in the inverter cooling system circuit. To resolve the problem, visually inspect the wiring harness and connectors. Pay close attention to damaged components and look for any broken, bent, pushed out, or corroded connector’s pins. Taking these steps will help you identify and resolve the issue efficiently.

p0c73 error fault code explained

If your engine light is on, it could be due to a faulty inverter cooling system, an open or shorted harness, poor electrical connection in the circuit, a problem with the inverter water pump assembly, or the power management control ECU. To fix it, visually inspect the wiring harness and connectors, check for damaged components, and look for any broken, bent, pushed out, or corroded pins on the connectors.

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