Took me a few tries to figure out the procedure, but here it is successfully done 2015 Jeep renegade all keys lost with the Autel MaxiIM IM508 XP400 Pro.
used the 400pro to precode the key and it walks you through the rest.
The model has the same platform as the Fiat 500X.
the programmer walks you through step by step.
2015+ Renegade turning key (AES).
1-) read pincode
2-) read immo data and save
3-) prepare dealer key
4-) leaning key
And you are done.