So - NAVTEQ is the company behind the nav systems used by FCA.
Since acquired by Nokia and then sold to three German car makers in 2015 (Audi, BMW and Daimler), they have been known as Here since 2012.
https://en.wikipedia.org/wiki/Navteq
https://www.here.com/en/navteq
They run their own map updates- (
https://here.navigation.com/apac/find-a-map-update) causing me to temporarily get all excited...
Alas, when you select Jeep as your brand it diverts you to the jeep.com.au find a dealer near you page.. GRRRR!!!
Selecting Holden takes you here
https://www.holden.com.au/owning/servicing
Map Updates are $179 for them
I have just ended a live chat with Navteq/Here and they inform me that the map updates for the RHP units shipped to Jeep dealers in early May.