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Old 1 Week Ago   #1
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Key fob battery life

After about a week of ownership, the key fob for my daughter's 500 stopped working. I replaced the battery and all was ok again.
It lasted about three days so I replaced the battery again. This one lasted two days.
Both were from the same packet so it could be a batch of dodgy batteries, but does anyone have any alternative thoughts? Could a button be stuck so it transmits all the time?

Mike
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Old 1 Week Ago   #2
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Re: Key fob battery life

Are you certain your batteries are not fakes ? I bought some off e bay and they lasted about as long as yours !
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Old 1 Week Ago   #3
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Re: Key fob battery life

Sounds daft try some from the pound shop, put them in and try the remote, then use a different key for a week, then try then remote fob again? I buy Maxel from Ebay and have proved to be genuine quality items. If they still go flat suspect the remote, check the rubber buttons are not permanently pushed in due to heavy handed use( replacement rubber buttons are available )

Also check the battery to see if its really flat, and its not poor battery contacts, changing the battery temporarily fixing the connection?
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Last edited by John303030; 1 Week Ago at 18:55.
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Old 1 Week Ago   #4
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Re: Key fob battery life

I was suspecting the buttons as I semi-dismantled the fob to see how to replace the case with the new one when it arrives, but if one button were permanently pressed I would expect the others wouldn't work?

The batteries were from Lidl, usually good quality stuff but could be a bad batch. I'll try a different brand and see what happens.

Mike
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Old 1 Week Ago   #5
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Re: Key fob battery life

Yep agree (buttons )and yes Lidl ones should be fine so look at remote and or contacts
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Old 1 Week Ago   #6
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Re: Key fob battery life

I'd suspect the buttons.
My Panda remote is still using the battery it came with, and I bought it in April 2010. The fob does not show any evidence of being opened, so quite likely the batteries are original, 11 years old.
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Old 1 Week Ago   #7
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Re: Key fob battery life

Quote Originally Posted by portland_bill View Post
I'd suspect the buttons.
My Panda remote is still using the battery it came with, and I bought it in April 2010. The fob does not show any evidence of being opened, so quite likely the batteries are original, 11 years old.
Me too (or an internal short).

Has the fob ever got wet? Fiat parts & water just don't naturally mix.

My 500 & Panda remote fobs are now 7yrs old, used regularly and still work just fine; I've owned both cars from new.
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Last edited by jrkitching; 1 Week Ago at 09:58.
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Old 5 Days Ago   #8
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Re: Key fob battery life

Not so much a battery issue as I have changed them and it didn't help but has anyone else noticed how crap the range the remote unlock is on the new facelifted version. Our old car would unlock from far further distance than the new one which you almost need to be in touching distance of for it to work
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Old 5 Days Ago   #9
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Re: Key fob battery life

Maybe they use the same.module across the range.

My 1.2 stilo was quite good... could open it from say 40 to 50 meters away and further if i pressed the key against my head... but my 1.9 multijet is poor... less that 6 meters... i have to walk right up to the car .

Im wondering if the atenna is in the a pillar... the module is meant to be in the roof near the interior lights... but i can hear something moving in the drivers a pillar (like a wire swinging around) need to investigate but never got round to it.
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Old 1 Day Ago   #10
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Re: Key fob battery life

Tried a different brand of battery and again, dead after 3 days.
I've been quoted 170 for a new remote key, is this a reasonable* price?

* I know it's not reasonable to charge over 150 for a small piece of plastic and metal, but I'm sure you know what I mean!

Mike
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Old 1 Day Ago   #11
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Quote Originally Posted by MadAlicesDad View Post
Tried a different brand of battery and again, dead after 3 days.
I've been quoted 170 for a new remote key, is this a reasonable* price?

* I know it's not reasonable to charge over 150 for a small piece of plastic and metal, but I'm sure you know what I mean!

Mike
Sounds cheap to me
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Old 1 Day Ago   #12
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Re: Key fob battery life

Quote Originally Posted by MadAlicesDad View Post
Tried a different brand of battery and again, dead after 3 days.
I've been quoted 170 for a new remote key, is this a reasonable* price?

* I know it's not reasonable to charge over 150 for a small piece of plastic and metal, but I'm sure you know what I mean!

Mike
Have you checked if the buttons are sticking?
New empty fobs are available on Ebay, they have new buttons and you swap your innards over. Be very careful with the immobiliser chip. It is a small glass phial, easily broken. Then you are stuffed.
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Old 15 Hours Ago   #13
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Re: Key fob battery life

"When it works" does it work correctly? All of the buttons.
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Old 7 Hours Ago   #14
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Re: Key fob battery life

Quote Originally Posted by John202020 View Post
Sounds cheap to me
You have expensive tastes!

All the buttons work when the battery is replaced, unlock, lock and boot.

I have dismantled it and don't think the rubber 'buttons' could hold down a switch; they are discrete PCB tactile switches with a positive click, and not the sort on a TV remote where the rubber is conductive and directly makes the circuit. That said, the switch could have failed internally but other than soldering on new switches, I can't see how to check this.
However she got a new fob casing and rubber buttons for her birthday so I've just fitted it. Maybe it will sort the problem but I doubt it.
Otherwise her birthday money will be needed...

Mike
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Last edited by MadAlicesDad; 7 Hours Ago at 18:42.
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Old 5 Hours Ago   #15
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Re: Key fob battery life

Quote Originally Posted by MadAlicesDad View Post
You have expensive tastes!

Mike
Average new remote coded and working 250-300 so yes cheap, maybe worth contacting a proper car alarm remote specialist? it clearly works so the issue may not be great.
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