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Home >> GMC >> 2018 >> Acadia SL >> Repair and Diagnosis >> Electrical >> Charging Systems >> Battery, Charging System And Starting System >> Diagnostic Information And Procedures >> DTC B1516: Battery Current Sensor >> Circuit/System Description

Circuit/System Description

The battery current sensor is a 3-wire hall effect current sensor. The battery current sensor monitors the current through the negative battery cable. The body control module (BCM) supplies a 5V Reference and ground to the battery current sensor. The Body Control Module monitors the voltage on the 5V Reference circuit to ensure that it is in the correct range.