P0A5D - OBD II Trouble Code

January 31, 2017

Our automotive experts have put together the following information about the P0A5D 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 P0A5D code.

OBD II Fault Code

  • OBD II P0A5D

OBD-II Code High voltage system may not operate is defined as a Drive Motor "A" Phase U 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 P0A5D.

High voltage system may not operate Symptoms

  • High voltage system may not operate

Common Problems That Trigger the P0A5D Code

  • Inverter/converter assembly failure

About the Author

Brad Kava is an automotive expert at RepairPal, the leading online source of auto repair resources and estimates. With many ASE Master certified mechanics on staff who have decades of experience, RepairPal knows all the fine points of car repair.

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