Engine-Codes - Generic - P0C73

P0C73 Code - Motor Electronics Coolant Pump 'A' Control Performance

- Code Popularity: 19,024 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the P0C73 Code?

  • Faulty Inverter cooling system
  • Inverter cooling system harness is open or shorted
  • Inverter cooling system circuit poor electrical connection
  • Inverter water pump assembly
  • Power management control ECU

|How to Fix the P0C73 Code?

Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

|What is the cost to diagnose the P0C73 code?

Labor: 1.0

The cost to diagnose the P0C73 code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

|What are P0C73 code possible symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

|What Does the P0C73 Code Mean?

The inverter water pump assembly transmits rotation speed information to the power management control ECU (HV CPU). The power management control ECU (HV CPU) monitors the speed and detects malfunctions.

Motor Electronics Coolant Pump 'A' Control Performance

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|P0C73 code information for specific makes

  • P0C73 LEXUS Motor Electronics Coolant Pump 'A' Control Performance
  • P0C73 TOYOTA Motor Electronics Coolant Pump 'A' Control Performance

|Need help with a P0C73 code?

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