ABS light coming on

[John Darwak <jpdarwak@flash.net>]

This question is for Don (or anyone else who can help),

I noticed the ABS light started coming on last week. It doesn't come on 
right away. Usually after the car has been running a while and then the 
next time I start the car it is off. I can find no pattern to its 
behavior.

My question is this: Is it worth taking in to the dealer at this stage 
since most likely the light will not be on when they look at the car? I 
hate to pay for a "could not reproduce problem" by the dealer. Does the 
ECU have a memory function for ABS fault codes so that the dealer can see 
what has happened or do I have to wait until it is on all the time? Hate 
to do that since I assume that the light being means that the ABS is not 
functioning.

Your thoughts appreciated,

John Darwak
'97 Jetta GLX Sequoia/Biber beige