P0A47 - OBD II Trouble Code

January 31, 2017

Our automotive experts have put together the following information about the P0A47 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 P0A47 code.

OBD II Fault Code

  • OBD II P0A47

OBD-II Code High voltage system may not operate is defined as a Drive Motor "B" Position Sensor Circuit Low

The hybrid control module uses sensors to determine the position of the hybrid motor's internal components. If the hybrid control module determines there is a fault in the position sensor, the engine control module will set code P0A47.

High voltage system may not operate Symptoms

  • High voltage system may not operate

Common Problems That Trigger the P0A47 Code

  • High voltage control module failure
  • High voltage motor failure
  • Wiring issue

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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