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OBD II Fault Code

  • OBD II P0A7A

    OBD-II Code High voltage system may not operate is defined as a Generator Inverter Performance

    The Inverter portion of the Inverter/Converter Assembly converts the direct current (DC) voltage from the battery to a three phase alternating current (AC) to drive the hybrid motor and transaxle assembly. If the High Voltage control module detects an issue with the inverter assembly, it will set code P0A7A.

    High voltage system may not operate Symptoms

    • High voltage system may not operate

    Common Problems That Trigger the P0A7A Code

    • High voltage control module failure
    • Inverter/converter assembly failure
    • Wiring issue
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