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Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 301 (Supplemental Inflatable Restraint System) >> Diagnostic Tests >> DTC B0091: Active Switch: Wrong State >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2003 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.

When ignition is turned on, SDM performs tests to diagnose critical internal malfunctions. SDM monitors passenger-side air bag module disable switch indicator control signal circuits for open circuits, high resistance and shorts to ground or voltage.