I've been going thru some similar no start problems. If it were mine and suspecting RCM I'd buy one, as I did, and if it doesn't correct the problem you will at least have a spare because sooner or later it will go bad. IMO Pizzaguy is correct about not taking it to a dealer. They hate working on them and, and usually won't, will charge you a fortune and do nothing. Right now on Amazoo, they have RCM's with a PN: RY1562 for $122. It also says free return! Might be the best money you've spent in awhile. Just a suggestion!