Damn the Denali. I have a 99 GMC Denali and all hell is breaking loose inside.

The following dont work:
Auto headlights
Power locks
All interior lighting including the mirrors
Power mirrors

Now this happened years ago and it was a BCM, so I thought it could be the same. I bought a used BCM and it did not work only for me to learn that they need to be programed with your vehicles info. So the dealer charged me $150 to tell me the BCM and computer are not responding. That is with the new one. Before I put the old one one back in and waste another $150 to see if they are communicating, anyone have any advice?

much appreciated!

------------------
Jason (real life)
AKA SC3800TTOPS (pff)
AKA thejknight (ebay & aol)

A Baby Suburban!

We have 2 Suburbans on the farm, 86, and 94. Thank god they don’t have any electrical, computer problems.

Just had to say that, sorry I can’t help with your problem but at least it’s a bump to the top.

Someone here is a GM Tech and I’m sure he can help you with it. I just haven’t kept up to date since I left in ‘90, sorry.

------------------
technology is great when it works
and one big pain in the ass when it doesn't.
Detroit iron rules all the rest are just toys.

Was the used module in service in another vehicle? Apparently these modules can only be programmed ONCE, which means you have to buy a new one. Gotta love GM.
I work on high end import junk, so I hope that is correct.

[This message has been edited by topher_time (edited 09-03-2006).]