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12-15-2006, 01:29 PM
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Hummer Guru
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Join Date: Jul 2005
Location: Idaho
Posts: 4,744
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Re: key fob question
In addition, to the cell phone, some places fobs just won't work. There are two locations around here where factory fobs fail to operate. One is a Home Depot (if I parked close to the store), the other is a hospital. Some type of electrical interference is causing the failure. My new fobs with the Viper work!
I do know that automotive fobs are the lowest animal on the FCC list for operating interference. In other words, a fob cannot interfere with anything, but all others may interfere with the fob.
So, if a fob works all the time, but in one or two locations, it most likely is due to the FCC.
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Black Sheep Hummer Squadron
(ME TOO)
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12-15-2006, 06:46 PM
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Hummer Authority
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Join Date: Oct 2005
Location: Atlantic City NJ
Posts: 1,453
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Re: key fob question
Quote:
Originally Posted by f5fstop
In addition, to the cell phone, some places fobs just won't work. There are two locations around here where factory fobs fail to operate. One is a Home Depot (if I parked close to the store), the other is a hospital. Some type of electrical interference is causing the failure. My new fobs with the Viper work!
I do know that automotive fobs are the lowest animal on the FCC list for operating interference. In other words, a fob cannot interfere with anything, but all others may interfere with the fob.
So, if a fob works all the time, but in one or two locations, it most likely is due to the FCC.
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I say...FOB IT..!!! 
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12-15-2006, 08:09 PM
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Hummer Veteran
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Join Date: Dec 2006
Location: Greater Vancouver, BC
Posts: 158
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Re: key fob question
Quote:
Originally Posted by f5fstop
One is a Home Depot (if I parked close to the store), the other is a hospital. Some type of electrical interference is causing the failure.
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Some places (especially hospitals and funeral homes) are buying cellular signal jammers so that might be what's causing your failure. There's only a couple of licenced jammers on the market. Most are unlicenced and therefore not tested for range etc. but you can find & purchase them on the internet, usually cheaper than the licenced ones.
In my case, my cell works and, according to the service guy, my remotes are transmitting... so it's a question of the coding. I'll drop in and have them recode them. At the same time, I'll have them check out why my DIC tells me that I have a tire pressure sensor failure intermittently.
-Mac
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12-16-2006, 01:27 AM
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Hummer Guru
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Join Date: Jul 2005
Location: Idaho
Posts: 4,744
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Re: key fob question
No hospitals around here using jammers; I know that for a fact. 
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Black Sheep Hummer Squadron
(ME TOO)
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12-16-2006, 04:23 AM
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Hummer Professional
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Join Date: Sep 2006
Location: Walnutport, PA
Posts: 292
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Re: key fob question
Quote:
Originally Posted by -=Mac=-
At the same time, I'll have them check out why my DIC tells me that I have a tire pressure sensor failure intermittently.
-Mac
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Having problems with your tyres?
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12-16-2006, 05:04 AM
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Hummer Veteran
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Join Date: Dec 2006
Location: Greater Vancouver, BC
Posts: 158
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Re: key fob question
Quote:
Originally Posted by H3PAC
Having problems with your tyres?
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Not that I can see but the DIC gave the "unhappy sensor" message a couple of times. I've checked under the bonnet and in the boot and everything appears to be in order...
-Mac
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12-16-2006, 05:14 AM
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Hummer Professional
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Join Date: Sep 2006
Location: Walnutport, PA
Posts: 292
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Re: key fob question
Quote:
Originally Posted by -=Mac=-
Not that I can see but the DIC gave the "unhappy sensor" message a couple of times. I've checked under the bonnet and in the boot and everything appears to be in order...
-Mac
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