OBD II Fault Code

  • OBD II P0A1E

    OBD-II Code High voltage system may not operate is defined as a Starter/Generator Control Module

    The Starter/Generator 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 P0A1E.

    High voltage system may not operate Symptoms

    • High voltage system may not operate

    Common Problems That Trigger the P0A1E Code

    • Starter/generator control module failure
    • Starter/generator Control module software needs to be updated

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