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-   -   Key Fob question (http://www.njfboa.org/forums/showthread.php?t=38541)

deadtrend1 11-10-2008 04:46 PM

Key Fob question
 
As most of you know my keys and transmitter went MIA last week. I got everything replaced today and reprogrammed a new fob for it.

My question is now that I have a new fob sync'ed to the car, is my old one "disabled" for lack of a better word. Just incase someone tries to use it to unlock my car???

V 11-11-2008 09:02 AM

when i had the BCM changed in my denali, it wiped both my transmitters out. i still have yet to reprogram one of them. BUT that was with a NEW BCM.

if the bcm was changed and then the new fob was programmed, it should render any previous fobs inactive, however if the fob was just programmed, the old one is still working. Even just unplugging the bcm shouldnt really work since think about it, if your battery dies or gets replaced, you dont need to reprogram your fobs.

only way to cut off that old fob is a new bcm, sorry.

bandit88 11-11-2008 10:17 AM

on the cavi you have to reprogram all the fobs when doing it..... so are the nissans.... i'm assuming that you car is the same

PolarBear 11-11-2008 10:36 PM

According to the GM manual you have to program all the fobs at once, so if you one do one then decide to add another you have to do them all over again later. You can program up to 4 at once and when you start with new or different ones it wipes out the old transmitters remembered. New BCM means new transmitters need to be programmed because it has nothing in memory. AFAIK they are flashed to the prom so losing power to the BCM will not affect it "remembering" the programmed transmitters

V 11-13-2008 08:03 PM

ah... ok then

deadtrend1 11-23-2008 09:58 AM

just tried it with the new spare fob i ordered. It does make the old one useless.

Mike 11-23-2008 12:30 PM

isnt there a door key on the key ring with the missing fob?

deadtrend1 11-23-2008 12:39 PM

Quote:

Originally Posted by cbrrmike (Post 514310)
isnt there a door key on the key ring with the missing fob?


yes. but with the ign. cylinder changed and a key fob that doesnt work, the alarm will sound off.

Scrat's_Camaro 04-02-2009 01:09 PM

bringing up an old thread cause i have a few questions. I need a key fob for my car cause the original owner didnt have them anymore and its getting annoying setting off the alarm when i open the door. how much are they and what do i need to get them?

sweetbmxrider 04-02-2009 01:36 PM

i would look through the yellow pages and call around. you probably need to find a place that sells/installs the alarm you have and may need a specific transmitter.

Scrat's_Camaro 04-02-2009 02:59 PM

well the system on the car is factory so i imagine i have to go to the dealer. im probably gonna swing by the dealer anyway since i got to run out for some errands.

deadtrend1 04-02-2009 03:49 PM

40-60 dolalr depending on where you go. I ordered mine from gm parts direct, part number 16245100

sweetbmxrider 04-02-2009 05:00 PM

really? gm came with factory alarms in 96 that go beep beep? i never knew...

NJ Torque 04-03-2009 12:22 AM

yup.. 96 impala did that

Scrat's_Camaro 04-03-2009 05:32 PM

i was able to get one for 70bucks just gotta wait till monday to pick it up

deadtrend1 04-04-2009 08:00 PM

Quote:

Originally Posted by Scrat's_Camaro (Post 569896)
i was able to get one for 70bucks just gotta wait till monday to pick it up

They are $41.16 online, what you do go right to a dealer?

Scrat's_Camaro 04-06-2009 11:43 AM

yeah cause i had no clue about these fob things. I was told that there was two different kinds that were out for the car. I guess one with the alarm and one without.:confused:

deadtrend1 04-06-2009 06:00 PM

Quote:

Originally Posted by Scrat's_Camaro (Post 571244)
yeah cause i had no clue about these fob things. I was told that there was two different kinds that were out for the car. I guess one with the alarm and one without.:confused:

no, 96-02 F-bodies used the same FOB

Scrat's_Camaro 04-06-2009 08:22 PM

ah gotcha


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