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Our automotive experts have put together the following information about the P0A1F diagnostic trouble code. We've provided the common symptoms that occur when this code is set along with the frequent repairs that address the issues related to the P0A1F code.

OBD II Fault Code

  • OBD II P0A1F

    OBD-II Code High voltage system may not operate is defined as a Battery Energy Control Module

    The Hybrid Battery Control Module is responsible for making sure the hybrid battery pack stays properly charged, controls the hybrid battery cooling system, and detects any malfunctions with the hybrid battery pack. The Battery Control Module runs a self-check to make sure it is capable of operating properly. If the Battery Control Module fails this self-check, the engine control module (PCM) will set code P0A1F.

    High voltage system may not operate Symptoms

    • High voltage system may not operate

    Common Problems That Trigger the P0A1F Code

    • Battery Control Module Failure
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