Pinpoint Test C: 4X4 Control Module Received No/Invalid Data From Powertrain Control Module (PCM): Notes
WARNING: This page is about a different car, the 2007 Lincoln MKX and 2007 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.
Refer to SYSTEM WIRING DIAGRAMS , All Wheel Drive (AWD) Systems for schematic and connector information.