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Go Back   Hummer Forums by Elcova > Hummer H3 Discussion Forums > General H3 Discussion

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  #1  
Old 12-15-2006, 01:29 PM
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Default 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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Old 12-15-2006, 06:46 PM
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Default 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.


I say...FOB IT..!!!
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  #3  
Old 12-15-2006, 08:09 PM
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Default 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.
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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Old 12-16-2006, 01:27 AM
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Default Re: key fob question

No hospitals around here using jammers; I know that for a fact.
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Old 12-16-2006, 04:23 AM
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Default Re: key fob question

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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

Having problems with your tyres?
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Old 12-16-2006, 05:04 AM
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Default Re: key fob question

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Originally Posted by H3PAC
Having problems with your tyres?
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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Old 12-16-2006, 05:14 AM
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Default Re: key fob question

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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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