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Home >> Chevrolet >> 2013 >> Traverse LS, AWD >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Power Door Lock System And Release Systems >> Diagnostic Information and Procedures >> DTC B2976 >> Circuit/System Description

Circuit/System Description

The body control module (BCM) provides a 12V signal to each of the door ajar switch signal circuit. The door ajar switches are normally open when the door is fully closed. When a door is opened, the door ajar switch contacts close providing a path to ground. The driver information center (DIC) displays ajar icon when the BCM detects that one or more of the doors are open. The instrument panel cluster (IPC) receives a serial data message from the BCM indicating the door ajar status.

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