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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1065 (Instrument Panel System Displays, Gauges And Console) >> Diagnostic Information and Procedures >> DTC B2961: Key In Ignition Circuit >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.

The body control module (BCM) uses a key in ignition input in order to control certain features in the vehicle. These features are in the following systems:

The ignition switch switches the key in ignition input circuit to ground when you fully insert the ignition key into the ignition switch. This in turn pulls the BCM key in ignition input low.

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