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Home >> Saab >> 2011 >> 9-5 Turbo6 >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Exterior Lights >> Lighting And Signaling Systems >> Fault diagnosis, fault codes >> DTC B2615: Passenger Compartment Dimming 2 Circuit Short to Ground >> Circuit/System Description

Circuit/System Description

Battery voltage for the courtesy lamps is supplied at all times to the body control module (BCM). When the BCM receives a signal to command the courtesy lamps ON, it then applies voltage through the courtesy lamps control circuits to the courtesy lamps listed below.