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Home >> Buick >> 2004 >> Century Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 96 (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 2004 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.

The body control module (BCM) monitors vehicle system voltage. Also, other modules monitor system voltage. The BCM sends a system voltage message to other modules that do not monitor system voltage via Class 2 message.

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