The app only works for operations involving 3.3/3.4.
You need to manually install 2.2.17xxx, you can take a look at this post as a reference → 2016 Mustang Sync3 1.0 updated to 3.0 and no Apple Carplay! - #10 by SaNdMaN
3.0.23219 is JR3T-14G381-AY… also try AA while on 2.2.17xxx… You can download the autoinstall.lst files from the site as well now…