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post #1 of 4 (permalink) Old 4th October 2006 Thread Starter
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Question Laguna II Key Fob Problem

Hi all,
I am new to this forums website and could do with a bit of advice. I have a 2000 Laguna II 1.9DCi and have recently dropped the key fob, causing the 'lock button' to malfunction.
Having read up on other threads before posting this, it looks as though something has detatched itself from the sensor causing a 'non clicking' sensation when I press the lock button, with the broken piece rattling around inside the fob.
Now, being the most untechnical guy on the planet, I do not want to start cutting holes in my fob or prising it apart in order to fix it, as other threads have suggested, as it is the only fob I have, however I need to sort this soon as my car cannot be locked!
As usual, my local Renault dealers want 160 for a new fob, plus programming which will take over a week. However, I have noticed that there are a few fobs selling on Ebay at the moment which I am tempted to bid for and yet again, noting a previous thread, some kind bloke left instructions on DIY prgramming.
My question is, before I waste my money on an ebay fob, does this DIY programming method actually work and if it doesent, are there places outside the Renault main dealers circuit who are willing to re-program? I hope someone can help me as I really could do without a 160 hit from the main dealers!

Regards - Chris.
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Laguna II Key Fob Problem Electronics chrisprior 3 1261 4th October 2006 01:18 PM
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post #2 of 4 (permalink) Old 4th October 2006
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Things you need to be wary of before buying from eBay .

1) Cards are 'one shot' coded - i.e. once they have been programmed for one car, they can never be programmed for another. Used cards are, therefore, worthless. You must make sure you have a new one.

2) There's no way to program a new keycard without the correct diagnostic computer, so you'll need to budget for programming to the car. Shop around, as prices vary wildly even between Renault dealers, and you may find an independent specialist who can do the job much cheaper.

3) There's an official Renault press release over new cards that's caused some confusion over whether or not even blank eBay cards can still be programmed. To be honest, I can't see how they could stop it, but it'd be worth checking with the dealer to see if they're prepared to code a blank card that you've supplied yourself.

4) If you only have one card and it's broken, then consider buying two. Renault will penalise you at trade-in if you only have one card, and it's always handy to have a spare.

Also bear in mind that if you can find someone with good soldering skills, they might just be able to repair your existing card for a fraction of the price.
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post #3 of 4 (permalink) Old 4th October 2006
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It sounds like the microswitch has become detatched from the printed circuit if so the look at
for how to fix it
Failing that you'll have to get another card !! But read the comments in the forum on the limitations.
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Laguna II Key Fob Problem

Thanks for your advice guys. I've looked at the thread from the fellow who cut a hole in his fob to retrieve the sensor and solder back onto the PCB, which does look like a money saver, however as this is my one and only fob, I daren't take the risk of damaging it and not be able to start my car!
Looks like Ebay is out the window as well as their only appears to be 'used' fobs on their (I can't understand why people buy them if they can only be coded once?).
So it looks like I'll be shopping around a few dealers to see who comes out the cheapest!
Thanks again.

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2001 Renault Laguna II 1.9dCi
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fob , key , laguna , problem

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