Ford SYNC trailer app says I'm towing
The computerized dashboard with my trailer package displays when my trailer is connected. This is handy not only for indicating the level of the brake controller but will show 'trailer disconnected' w...
Forum Discussion
As far as I know, Sync is an optional radio/phone/entertainment app and has nothing to do with the instrument cluster info. You don't need Sync to have a TBC.
You may have an issue with your truck plug/wiring or your brake controller itself.
You may have an issue with your truck plug/wiring or your brake controller itself.
