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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1626 (Door Lock System And Door Handles) >> Diagnostic Information and Procedures >> Power Door Lock Key Cylinder Switches Inoperative >> Circuit/System Description

Circuit/System Description

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

The key cylinder unlock feature will lock and unlock all of the doors when the body control module (BCM) receives a Key Lock Switch signal or a Key Unlock Switch signal for greater than 1 second and will lock or unlock all of the doors.

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