Our automotive experts have put together the following information about the P0AF4 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 P0AF4 code.

OBD II Fault Code

  • OBD II P0AF4

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

    The Inverter/Converter Assembly has a built in temperature sensor and separate cooling system to allow the high voltage system to maintain optimal operating temperature. If the High Voltage control module detects an issue or sudden change of temperature within the inverter/converter assembly, code P0AF4 will be set.

    High voltage system may not operate Symptoms

    • High voltage system may not operate
    • High voltage system temperature light may be illuminated

    Common Problems That Trigger the P0AF4 Code

    • Inverter/converter assembly failure
    Not the OBD-II Code You're Looking For?

    No comments yet...

    Sign in to comment