Odometer failure

Hello. I want to first post a thank you to those who responded on the error codes P0171 and P0174. The MAF turned out to be the problem on my car after extensive work on it and dealing with an ignorant but expensive mechanic. A quick suggestion to those having a problem with the above codes (and possible EGR valve flow codes), just disconnect the MAF's plug and run the car for a moment. If that clears up the case, you can certainly assume you need to replace your MAF. I tried that at least, and it verified my problem for me before I blew $100 on a new MAF.

Okay, so my question is the following: my odometer has stopped rolling over on my car, and I was curious to know if any of you have had this problem and know a way to fix it?

Thanks in advance.