the pro version is not needed for coding just for flashing modules. You should not have to recode just because the battery has been changed. Sometime things need to be retrained like window limits and such on some cars like BMW. I would record and erase all codes. The then deal with what if any come back. Most german car I work on have codes in them if I do a system test but that does not always mean there truly a problem. The ones you fix are the one that show as current or one that you see keep coming back.