Normal Operation
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.
The Parking Aid Module (PAM) receives the ignition switch state from the Smart Junction Box (SJB) as a network message.
- DTC U0140 (Lost Communication With Body Control Module [GEM]) - a continuous and on-demand DTC that sets in the PAM when ignition switch state messages are not received from the SJB.
This pinpoint test is intended to diagnose the following:
- SJB
- Networked data fault