All codes/P0AA6

P0AA6

Hybrid Battery Voltage System Isolation Fault

High severity

This code indicates hybrid battery voltage system isolation fault. It relates to the hybrid powertrain and may affect performance, emissions, or drivability depending on the exact failure.

Hybrid Battery Voltage System Isolation Fault

Common causes

  • High-voltage component fault

    Battery modules, inverters, or drive motors can set hybrid-system codes.

    medium

    Typical part cost: $100-400

  • Sensor or coolant issue

    Temperature and position sensors, or cooling-system faults, are common causes.

    medium

    Typical part cost: $100-400

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First things to check

  1. 1Confirm the code with a scan tool and check for additional related codes.
  2. 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.

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Related codes

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Frequently asked questions

What does P0AA6 mean?

P0AA6 means "Hybrid Battery Voltage System Isolation Fault". It is a generic OBD-II code that points to a fault in the hybrid powertrain.

Can I keep driving with this code?

This code points to a problem that can cause damage or affect safety. Avoid driving and have the vehicle diagnosed promptly. Use the Wrenchify app for a full diagnosis specific to your vehicle.

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