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Another no fob detected question

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Old Jun 19, 2023 | 07:33 PM
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Default Another no fob detected question

Drove my 07 base a half hour to the store no issues. Drove to a different store 5 minutes away after. When I got there I turned off the car and got a no fob detected. Turned back on and off a few times with the same result even with pulling thr key out of my pocket. Upon leaving the store I had to put the fob in the glovebox to start it. When I got home I could not replicate the problem. Never had this issue before and battery was changed a couple months ago with an energizer lithium 2032. Any ideas? Maybe just a fluke?
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Old Jun 20, 2023 | 01:12 PM
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Originally Posted by Iowa
Drove my 07 base a half hour to the store no issues. Drove to a different store 5 minutes away after. When I got there I turned off the car and got a no fob detected. Turned back on and off a few times with the same result even with pulling thr key out of my pocket. Upon leaving the store I had to put the fob in the glovebox to start it. When I got home I could not replicate the problem. Never had this issue before and battery was changed a couple months ago with an energizer lithium 2032. Any ideas? Maybe just a fluke?
There could be a source of radio interference at that particular location.

I had a malfunctioning garage door opener receiver that jammed the fob signal when you parked under it. Turn off the circuit breaker to the garage door and the fobs worked fine.
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Old Jun 20, 2023 | 08:45 PM
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Originally Posted by torquetube
There could be a source of radio interference at that particular location.

I had a malfunctioning garage door opener receiver that jammed the fob signal when you parked under it. Turn off the circuit breaker to the garage door and the fobs worked fine.
you nailed it! I went back to the same location today to check and it happened again.
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Old Jun 24, 2023 | 03:15 PM
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Had a similar issue today with my 07.

Why why why did GM not just give us keys? Simple and basically foolproof.
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Old Jun 26, 2023 | 01:09 PM
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Originally Posted by torquetube
There could be a source of radio interference at that particular location.
Oh wow, thanks for that. I got one of those a few weeks ago in a hospital parking lot. I suppose there could be some signals bouncing around in that environment.
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Old Jun 26, 2023 | 07:04 PM
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Has anyone figured some kind of frequency shielding on a module to fix this issue? I can make mine act up with my phones Bluetooth and transmitter.
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Old Jun 26, 2023 | 08:26 PM
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Originally Posted by ltwargssf
Has anyone figured some kind of frequency shielding on a module to fix this issue? I can make mine act up with my phones Bluetooth and transmitter.
If you shield the fob or the RDCLR, then one can't see the other. You could shield your phone or your Bluetooth accessory, but then they won't work.

There are lots of different phones and Bluetooth accessories, so your best bet is probably to try other makes/models.
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Old Jun 26, 2023 | 09:17 PM
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Originally Posted by torquetube
If you shield the fob or the RDCLR, then one can't see the other. You could shield your phone or your Bluetooth accessory, but then they won't work.

There are lots of different phones and Bluetooth accessories, so your best bet is probably to try other makes/models.
Yes I was worried if you shield it, the fobs will also be shielded from it. I figured out how to use it with my phone and transmitter but nowadays with different frequencies happening all around you, it will always happen somewhere so I would just love to find a solution to this. Other manufactures use similar modules and don't suffer from the same issues.
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