Diagnostic Overview
WARNING: This page is about a different car, the 2013 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.
DTC U3003:16
Refer to OEM Wiring Diagrams - OEM GROUND DISTRIBUTION for schematic and connector information.
Refer to OEM Wiring Diagrams - POWER DISTRIBUTION/BCM for schematic and connector information.