While the show had ran for eight seasons and earned titular star Craig T. Nelson and Emmy for Best Actor in a Comedy Series in 1992 I don’t think a reboot of the show was necessary. It’s not a show that many people reference and I can’t even remember how it ended. I can’t even remember the last time I saw the show air on a basic cable network and there are so many networks hungry for content, you’d think it would be airing somewhere. I’m sure it got its obligatory run on TV Land or Nick at Night at some point.
My guess is COACH falls way down in the list of shows viewers would like to see revived.