Engine-Codes - Lexus - P0AA8 LEXUS

P0AA8 LEXUS Code - Hybrid Battery Voltage Isolation Sensor Circuit Range/Performance

- Code Popularity: 1,158 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the P0AA8 LEXUS Code?

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

|How to Fix the P0AA8 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 P0AA8 LEXUS code?

Labor: 1.0

The cost to diagnose the P0AA8 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.

|What are P0AA8 LEXUS code possible symptoms?

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

|What Does the P0AA8 LEXUS 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 Range/Performance

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