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Our automotive experts have put together the following information about the P0A28 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 P0A28 code.

OBD II Fault Code

  • OBD II P0A28

    OBD-II Code High voltage system may not operate is defined as a Hybrid Battery Power Off Circuit Low

    The High Voltage Battery is not functioning correctly, code P0A28 will be set.

    High voltage system may not operate Symptoms

    • High voltage system may not operate

    Common Problems That Trigger the P0A28 Code

    • High voltage battery assembly failure
    • Wiring issue
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