Engine-Codes - Toyota - P0AA6 TOYOTA

P0AA6 TOYOTA Code - Hybrid Battery Voltage System Isolation Fault

- Code Popularity: 32,164 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the P0AA6 TOYOTA Code?

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

|How to Fix the P0AA6 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.

|P0AA6 TOYOTA code tech notes

Toyota Gen 2 Prius Article Diagnose P0AA6 Code:
Toyota Prius Code P0AA6

There is a Factory Service Bulletin for the 2004–2005 Toyota Prius:
2004–2005 Toyota Prius Factory Service Bulletin OBDII Code P0AA6

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|What is the cost to diagnose the P0AA6 TOYOTA code?

Labor: 1.0

The cost to diagnose the P0AA6 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 P0AA6 TOYOTA code possible symptoms?

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

|What Does the P0AA6 TOYOTA Code Mean?

The Power Management Control ECU monitors the Battery Smart Unit. The Diagnostic Trouble Code (DTC) will set when the Power Management Control ECU detects insulation malfunctions in the high-voltage system.

Hybrid Battery Voltage System Isolation Fault

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