Pinpoint Test G: DTC U0100 and U2511 - CAN - Data Mis-Match (Receive Data Does Not Match Expected) & Lost Communication With ECM/PCM: 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 article for Fusion, SYSTEM WIRING DIAGRAMS article for Milan or SYSTEM WIRING DIAGRAMS article for MKZ , Module Communications Network for schematic and connector information.