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Home >> Chevrolet >> 2010 >> Traverse LT, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 480 (Power Door Lock System And Release Systems) >> Diagnostic Information and Procedures >> DTC B2976: Driver Door Ajar Circuit >> Circuit/System Description

Circuit/System Description

WARNING: This page is about a different car, the 2016 GMC Acadia, 2016 Chevrolet Traverse, and 2016 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.

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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