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Home >> GMC >> 2018 >> Acadia SL >> Repair and Diagnosis (Single Page) >> Electrical >> Charging Systems >> Battery, Charging System And Starting System >> Diagnostic Information And Procedures >> DTC B151A: Low Battery Capacity Detected >> Circuit/System Description

Circuit/System Description

The Body Control Module (BCM) monitors the battery voltage level during an engine crank event to detect a low battery voltage condition.

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