AutoCodes.com | All About OBDII Engine Codes
AutoCodes - Lexus - P0AA8 Lexus

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

- Code Popularity: 1,248 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
Share on Facebook   Share on Twitter   Share on Linkedin

What are the Possible Causes of the DTC P0AA8 Lexus?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Hybrid battery junction block
  • Faulty Battery Smart Unit
  • Faulty HV Battery
  • Inverter With Converter Assembly
⚠ Does your Lexus have Safety Recalls? → Check here

How to Fix the DTC P0AA8 Lexus?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

Search for P0AA8 Lexus Questions and Answers: Search here →

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0AA8 Lexus code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

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

Code P0AA8 Lexus Description

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

OBDII Code P0AA8 Lexus - Hybrid Battery Voltage Isolation Sensor Circuit Range/Performance - AutoCodes.com
P0AA8 Lexus Code - Hybrid Battery Voltage Isolation Sensor Circuit Range/Performance

Need More Information on the Code?

Need more information on how to fix the P0AA8 Lexus code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0AA8 Lexus code diagnosed by a professional: Find a repair shop in your area

Code P0AA8 Lexus comments

Help us improve AutoCodes.com. Leave a comment below or tell us if the information above helps you fix the code. What are the symptoms on your vehicle for the P0AA8 Lexus code? Have you replaced any parts?
Any information is appreciated. Thanks