Engine-Codes - Lexus - P0AA7 Lexus

P0AA7 Lexus Code - Hybrid Battery Voltage Isolation Sensor Circuit

- Code Popularity: 2,234 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

What are the Possible Causes of the Code P0AA7 Lexus?

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

How to Fix the P0AA7 Lexus 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 Code P0AA7 Lexus?

Labor: 1.0

The cost to diagnose the P0AA7 Lexus 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.

Does your Lexus have Safety Recalls? → Check here

What are Code P0AA7 Lexus Possible Symptoms?

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

What Does the P0AA7 Lexus Code Mean?

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

P0AA7 Lexus Code - Hybrid Battery Voltage Isolation Sensor Circuit

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