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Our automotive experts have put together the following information about the P0A63 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 P0A63 code.

OBD II Fault Code

  • OBD II P0A63

    OBD-II Code High voltage system may not operate is defined as a Drive Motor "A" Phase W Current

    The High Voltage control module uses sensors to monitor the current flowing through the high voltage cables. If the High Voltage control module detects a failure of the current monitoring sensors, it will set code P0A63.

    High voltage system may not operate Symptoms

    • High voltage system may not operate

    Common Problems That Trigger the P0A63 Code

    • Inverter/converter assembly failure
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