Network Test
WARNING: This page is about a different car, the 2014 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
Performing a network test is always recommended for analysis of electronic system concerns. Always solve network issues before addressing individual symptoms or DTC s.
Recommended Practices: Refer to MODULE COMMUNICATIONS NETWORK Module Communications Network, Diagnosis and Testing, to diagnose a network outage or no response from an individual module (or modules).