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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 118 (Battery, Charging System And Starting System) >> Diagnostic Information and Procedures >> DTC B1327 >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2006 Buick LaCrosse and 2006 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.

The body control module (BCM) has an internal voltage sensor with a dedicated circuit that measures the battery voltage to determine if it is above 9 volts.

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