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Does FOB Comminicate quietly?

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Old Nov 23, 2011 | 09:37 AM
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Default Does FOB Comminicate quietly?

I am not sure if this is normal or if I have a probelm. I recently noticed a faint electronic "crackling" sound when I get in my car (2008 convertible) and also hear it after I shut the engine off. I just bought the car 2 weeks ago and did not initially notice this sound and am concerned that I may have an elecrical problem, although the car seems to run fine. Could this be the FOB communicting with computer?
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Old Nov 23, 2011 | 09:52 AM
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Originally Posted by bobbulis
I am not sure if this is normal or if I have a probelm. I recently noticed a faint electronic "crackling" sound when I get in my car (2008 convertible) and also hear it after I shut the engine off. I just bought the car 2 weeks ago and did not initially notice this sound and am concerned that I may have an elecrical problem, although the car seems to run fine. Could this be the FOB communicting with computer?
The FOB is transmitting RF but you can't hear it...can you tell where the sound is coming from? Speakers maybe? Cell phone interference?

If the sounds like a spark or arching you have a short somewhere possibly and need to seek it out quickly.
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Old Nov 23, 2011 | 09:57 AM
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Relays switching?
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Old Nov 23, 2011 | 10:05 AM
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Originally Posted by abs350
Relays switching?
I think you are just hearing the normal startup / shutdown sequence.
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Old Nov 23, 2011 | 10:06 AM
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i think it is normal, my 09 does it.
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Old Nov 23, 2011 | 10:10 AM
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That is relays on the car FOB - unless you can hear RF frequencies.
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Old Nov 23, 2011 | 10:50 AM
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I have a 2010 gs and when i get in the car you hear something that sounds like relays switching.
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Old Nov 24, 2011 | 02:04 PM
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Originally Posted by Brian2010
I have a 2010 gs and when i get in the car you hear something that sounds like relays switching.
Thank you everyone for your replies. I think it is the relays that I am hearing.

Thanks again,

Bob
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