OBD II Fault Code

  • OBD II P0AC3

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

    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 P0AC3.

    Common Problems That Trigger the P0AC3 Code

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

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