Engine-Codes - Toyota - P0AA7 TOYOTA

P0AA7 TOYOTA Code - Hybrid Battery Voltage Isolation Sensor Circuit

- Code Popularity: 2,611 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the P0AA7 TOYOTA Code?

  • Hybrid battery junction block
  • Faulty Battery Smart Unit
  • Faulty HV Battery
  • Inverter With Converter Assembly

|How to Fix the P0AA7 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 P0AA7 TOYOTA code?

Labor: 1.0

The cost to diagnose the P0AA7 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 P0AA7 TOYOTA code possible symptoms?

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

|What Does the P0AA7 TOYOTA Code Mean?

The power management control ECU monitors the battery smart unit and detects insulation malfunctions in the high-voltage system.

Hybrid Battery Voltage Isolation Sensor Circuit

|Need more information with the P0AA7 TOYOTA code?

Need more information on how to fix the P0AA7 TOYOTA code?
Get Access to Factory Service Manuals

|Need help with a P0AA7 TOYOTA code?

Get the P0aa7 Toyota code diagnosed by a professional: Find a repair shop in your area