I would add it to your warranty list for the dealer. If not, pull out the antenna manual and you should be able to figure out how to access where the connection is at the antenna.
Does it work at home?
2017 Eagle 293RKDS, factory ordered, lots of mods and upgrades.
2018 Ram 3500 crew cab long bed SRW diesel 6spd Aisin 4wd Tradesman.
B&W Ram puck 5th wheel
Mopar wheel to wheel steps