I have had an intermitant problem where I could be driving and the radio and power windows will just shut off and not work for a bit, then it will come back. I have been told it could be the bcm (body control Moudule). Could it be form the aftermarket alarm I had installed? a ground? or do I just need to have the BCM replaced?? Any help is very much appreciated.

 

It's your BCM.

My brother in laws car did the same thing, it ended up being a bad solder connection on the relay in the BCM. It was clear as day too were the solder broke (cold solder joint). I resoldered the relay and all was good.

 

I've had this exact problem for a while, and I've tried everything short of buying a new BCM (I'm a cheapass) and here's what I've found.

Spazzy BCM Workaround
(For those lazy bastards who just don't feel like fixing/replacing theirs)

When you notice the radio/windows are out, hold down your window switch (up or down) and press your door lock (lock/unlock it doesn't matter) If you do it right, everything should turn back on. If it doesn't fix the problem the first time you do it, simply try it a couple more times.

I've only encountered one or two times where this didn't work.

 

Awesome, thanks! I really appreciate the reponses!!!

 

No problem, let me know if it works for you. I've only been able to test it on 2 cars with failing BCMs, and it worked flawlessly for both.