Pinpoint Test M: DTC B2439 - Passengers Seat Belt Buckle Switch Resistance Out of Range: Notes
WARNING: This page is about a different car, the 2009 Mercury Milan, 2009 Lincoln MKZ, and 2009 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
Refer to SYSTEM WIRING DIAGRAMS , Supplemental Restraint System for schematic and connector information.