Engine-Codes - Toyota - P0A01 TOYOTA

P0A01 TOYOTA Code - Motor Electronics Coolant Temperature Sensor Circuit Range/Performance

- Code Popularity: 2,594 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the P0A01 TOYOTA Code?

  • Faulty Inverter cooling system
  • Faulty Cooling fan system
  • Faulty Inverter with converter assembly

|How to Fix the P0A01 TOYOTA 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 P0A01 TOYOTA code?

Labor: 1.0

The cost to diagnose the P0A01 TOYOTA 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 P0A01 TOYOTA code possible symptoms?

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

|What Does the P0A01 TOYOTA Code Mean?

The power management control Electronic Control Unit (ECU) detects HV coolant temperature using the coolant temperature sensor built into the inverter with converter assembly. The power management control ECU uses signals from the coolant temperature sensor to check the effectiveness of the inverter cooling system. If necessary, the power management control ECU will limit inverter output to help prevent inverter overheating. The power management control ECU also detects malfunctions in the sensor based on the HV coolant temperature sensor values. The inverter with converter assembly detects malfunctions in the HV coolant temperature sensor and its wiring.

Motor Electronics Coolant Temperature Sensor Circuit Range/Performance

|Need more information with the P0A01 TOYOTA code?

Need more information on how to fix the P0A01 TOYOTA code?
Get Access to Factory Service Manuals

|Need help with a P0A01 TOYOTA code?

Get the p0a01 toyota code diagnosed by a professional: Find a repair shop in your area