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Our automotive experts have put together the following information about the P0AC1 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 P0AC1 code.

OBD II Fault Code

  • OBD II P0AC1

    OBD-II Code Battery current sensor failure is defined as a Hybrid Battery Pack Current Sensor "A" Circuit Low

    The High Voltage Battery Pack has a current sensor mounted to the negative battery cable. This sensor tells the Battery control module if the battery pack is being charged or discharged. If the Battery control module detects a malfunction in the sensor's circuit, it will set code P0AC1.

    Common Problems That Trigger the P0AC1 Code

    • Battery Control Module Failure
    • Battery current sensor failure
    • High voltage battery assembly failure
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