The '94. And '95 are transition year vehicles, (thats the nice thing to call them... I however have a few other choice words), they aren't OBDI, nor OBDII. Its got the OBDII 16 pin connector, but not the OBDII programming, (GM refers to it as OBD1.5), what that means is OBDI won't connect, and OBDII won't read them... hence the problem with only GM shops having the ability to get the codes for me.. and the reasoning behind the ridiculous costs. This is only the second Buick I've ever owned, (the first was a '70 GS), but if this car wasn't such a great running, and reliable car to this point, I probably wouldve already given up on it.. but I hate to admit I really do like it.. lol. Problem is I've got a busy weekend planned, and won't get a lot of time on it until next week now. (the Haynes is certainly going to be in my future though!)