Key FOB
Thread Starter
Pro
Joined: Sep 2009
Posts: 505
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From: tyler tx
Key FOB
My FOB stopped working. One day it worked, next day it didn't. I put in a new battery. Still no worky. Do I need to reprogram after a battery change?
When I shake it, it rattles. Sounds like a tiny piece of plastic inside it somewhere. I took it apart and found nothing. I shook the circuit board and that's where the rattle is.
Is it dead or what?
When I shake it, it rattles. Sounds like a tiny piece of plastic inside it somewhere. I took it apart and found nothing. I shook the circuit board and that's where the rattle is.
Is it dead or what?
Team Owner
Joined: Jul 2006
Posts: 22,155
Likes: 4,168
From: Kannapolis NC
It's probably dead. I don't know if the 97 has a passive switch, but on the 98/99 the rattle is the passive feature activation device on the board. The best price for a new one is at www.gmpartshouse.com
From the web site above:
10253839 – 97-99 – 78.00
10432147 – 00 – 60.00
25695954 – 01-04 #1 – 65.00
25695955 – 01-04 #2 – 65.00
From the web site above:
10253839 – 97-99 – 78.00
10432147 – 00 – 60.00
25695954 – 01-04 #1 – 65.00
25695955 – 01-04 #2 – 65.00
Last edited by 65GGvert; Dec 18, 2009 at 12:53 PM.
Thread Starter
Pro
Joined: Sep 2009
Posts: 505
Likes: 0
From: tyler tx
It's probably dead. I don't know if the 97 has a passive switch, but on the 98/99 the rattle is the passive feature activation device on the board. The best price for a new one is at www.gmpartshouse.com
Team Owner
Joined: Jul 2006
Posts: 22,155
Likes: 4,168
From: Kannapolis NC
There's a little bell shaped device on the board. That's what you hear rattling. It is not an indication of a problem, but the not working is. Can you borrow a fob from someone for the 97 up to 2000 and program it to your car to test? I feel pretty sure you will need a fob. Around $78 from Gene Culley at the link I posted.
10253839 – 97-99 – 78.00
10432147 – 00 – 60.00
25695954 – 01-04 #1 – 65.00
25695955 – 01-04 #2 – 65.00
10253839 – 97-99 – 78.00
10432147 – 00 – 60.00
25695954 – 01-04 #1 – 65.00
25695955 – 01-04 #2 – 65.00
Last edited by 65GGvert; Dec 18, 2009 at 12:54 PM.
Racer
Joined: Sep 2008
Posts: 319
Likes: 0
From: Pembroke Pines Florida
Very easy to fix a non-funtioning fob, I just fixed the two fobs that came with my 97' last week. Neither were working after purchasing the car.
-Using rubbing alcohol and a q-tip clean the surfaces and contacts (it may look clean but can be very dirty)
- Using fine tip solder iron, solder the chip with 4 contacts on the top right corner (even if the contacts look fine they probably aren't, as in my case)
- Some other contacts may need it as well but you will only know after looking closely.
Here is a pic taken from another thread which is found at here http://forums.corvetteforum.com/c5-t...em-solved.html
-Using rubbing alcohol and a q-tip clean the surfaces and contacts (it may look clean but can be very dirty)
- Using fine tip solder iron, solder the chip with 4 contacts on the top right corner (even if the contacts look fine they probably aren't, as in my case)
- Some other contacts may need it as well but you will only know after looking closely.
Here is a pic taken from another thread which is found at here http://forums.corvetteforum.com/c5-t...em-solved.html
Team Owner
Joined: Jul 2006
Posts: 22,155
Likes: 4,168
From: Kannapolis NC
It's worth a try if you have access to a soldering iron and solder and can do it without burning the strips or shorting pins together with running solder. I have heard of some accounts where soldering brought them back.
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I just might give it a try before I order a new one. The worst that can happen is I kill it better. 
Racer
Joined: Sep 2008
Posts: 319
Likes: 0
From: Pembroke Pines Florida
Seriously I was going to drop the money as well but figured I'd give it a try, the only thing you can loose is your time since the fobs already dead. I'm two fobs ahead right now!
Burning Brakes
Joined: Nov 2002
Posts: 1,186
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From: Huntington Beach CA
So, a 2000 key fob will work with a 1999 car? The passive lock feature is worthless anyway. Can someone else confirm the 2000 will work?
Both of my Fobs will not hold the programming for over a few minutes. I program them and they work, but then 5 minutes later, no workie.
Thanks.
Both of my Fobs will not hold the programming for over a few minutes. I program them and they work, but then 5 minutes later, no workie.
Thanks.
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Probably time for a new fob, especially if the battery change didn't make it work again. They do go out from time to time - I had to replace one on my '00.
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You can also upgrade the entire system to the newer '01-'04 setup. After going through two or three new passive style fobs and a bunch of headache, I did the swap. It does require modifying your wiring harness (unless you can figure out how to jumper the plugs), and new tire sensors - if you are worried about them. Do a search, you should fins some info on the swap.
Burning Brakes
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