DTC U0428: Invalid Data Received from the Steering Angle Sensor Module: Action
WARNING: This page is about a different car, the 2018 Lincoln MKZ and 2018 Lincoln Continental. However, it is still accessible from the selected car via links, so may be relevant.
CARRY OUT a self-test of the SCCM. If the diagnostic scan tool indicates the module is not responding, REFER to COMMUNICATIONS NETWORK to diagnose the network communication concern. If SCCM DTCs are present, REFER to STEERING WHEEL AND COLUMN ELECTRICAL COMPONENTS system fault. If there are no DTCs in the SCCM, SET the ignition to OFF. DISCONNECT and INSPECT all SCCM electrical connectors for corrosion, bent pins, pushed-out pins and spread terminals. REPAIR as necessary.