Of course.
In order not to lose map data, move the entire folder to the internal memory (using some proper file manager). If you have a lot of map content, it can stay on the card, according to [Only registered and activated users can see links. ].
Save favorites if you have and need them (and/or some other user data).
Then uninstall app by the book (force stop > clear cache > clear data > uninstall), reboot device then then install it again. Setup map path in sys if needed, and that's it.