Yes, since you did not have Access before, your jeep is not equipped with a 3G antennna. I don't know what all components you need to add to activate the service, if it's even possible.
2015 Latitude V6 AD-II
Mods: List was getting too long for my sig, check out my garage
for a full list of mods
Waiting for install: MFC switch plate w/OTRATTW custom switches
Official test car for the SmartStopStart module program