Possible Causes
WARNING: This page is about a different car, the 2006 Mercury Montego, 2006 Ford Freestyle, and 2006 Ford Five Hundred. However, it is still accessible from the selected car via links, so may be relevant.
A no communication fault with the RCM can be caused by:
- A fuse.
- Damaged wiring, terminals or connectors.
- A faulty data link connector (DLC).
- A faulted RCM.