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What Does P0AA6 Code Mean?

    OBD-II Code P0AA6 is defined as a Hybrid Battery Voltage System Isolation Fault

    The high voltage system is isolated from the low voltage system and the vehicle's frame. If excessive voltage is detected on the low voltage side, code P0AA6 will set. The High Voltage system may shut down.

    P0AA6 Symptoms

    • High voltage system may not operate
    • Vehicle will not charge

    Common Problems That Trigger the P0AA6 Code

    • Coolant system leak
    • High voltage control module failure
    • Wiring issue
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