P0AFC - OBD II Trouble Code

January 31, 2017

Our automotive experts have put together the following information about the P0AFC 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 P0AFC code.

OBD II Fault Code

  • OBD II P0AFC

OBD-II Code High voltage system may not operate is defined as a Hybrid Battery Pack Sensor Module

The Hybrid Battery Smart Unit monitors the high voltage battery pack. The Battery Smart Pack runs its own self-check to ensure it is capable of performing its required functions. If it fails the self-check, code P0AFC will be stored.

High voltage system may not operate Symptoms

  • High voltage system may not operate

Common Problems That Trigger the P0AFC Code

  • Battery Smart Unit 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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