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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 608 (Instrument Panel, Gauges & Console) >> Diagnostic Information & Procedures >> DTC B2961: Ignition 1 Input is Active - Key in Ignition Switch Signal Circuit is Inactive - Signal Circuit is High >> Circuit Description

Circuit Description

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The Body Control Module (BCM) monitors the ignition key alarm switch. When the key is in the ignition, the ignition key alarm switch is closed and the signal circuit is low. When the key is not in the ignition, the ignition key alarm switch is open and the signal circuit is high.