midge
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| posted on 18/12/11 at 06:54 PM |
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Reprogramming key fobs
Hi all,
Bit of advice needed.
Lost one of the key fobs for my Alfa 159 Saturday. I've got a spare so not so bad, but having lost one I could do with getting a replacement
just in case.
New ones cost £250 ish so pretty painfull. Is it possible to 'reprogramme' a second hand one (from fleabay) or am I wasting my time on
this??
Cheers
Steve
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doddy
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| posted on 18/12/11 at 07:05 PM |
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some locksmiths can clone your old key and put it on the new key works on more older cars alot of newer ones need main dealer softwear but its worth a
try
[Edited on 18/12/11 by doddy]
https://www.ebay.co.uk/str/4x4wheels
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maskell01
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| posted on 18/12/11 at 11:21 PM |
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I had a Citreon once that i had the same problem, all i had to do was open all the doors and boot then hold the lock button for 5 seconds!
the locks locked then opened!never had another problem with it...........
..........apart from a piston deciding it was scared of the dark and popping through the engine block! 
Still locked when i had to walk 3 mile to the phone box mind!
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ReMan
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| posted on 18/12/11 at 11:32 PM |
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I'm interested in this as I have (legitimatly) a number of keys for mondeo and golf and wondered if there was any value in them?
www.plusnine.co.uk
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stevebubs
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| posted on 19/12/11 at 01:36 AM |
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Don't know about reprogramming but the sister-in-law had a new skoda one made up in Timpsons in the local Asda.
When she enquired, the informed her it would be between 30 & 70 quid depending on make/model
Ended up being #35...
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tegwin
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| posted on 19/12/11 at 08:11 AM |
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As I am sure you know, the key fob is made of two parts. The passive transponder that activates the engine immobiliser system and the active system
that remotely unlocks the doors. both are usually separate.
Cheapest way to get a new transponder is to buy a blank (with unused transponder) and have your existing key cloned.
For VAG cars you used to be able to code in new transponder chips if you had the cars PIN number (which was available from main dealers), However they
now don't give them out, the new chip is authenticated with VW via the internet to validate the process. Hence the price.... Cloning works
perfectly anyway!
The remote locking part can usually be done at home. I know for most VAG cars you can turn the ignition on with the existing key, close the doors and
lock the doors with the new key, then open remotely with new key (or something along those lines, not done it for a while!) Im sure there must be
similar stuff for alfa.....
------------------------------------------------------------------------------------------------------------------------
Would the last person who leaves the country please switch off the lights and close the door!
www.verticalhorizonsmedia.tv
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ssc28
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| posted on 19/12/11 at 09:42 AM |
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The following comments are in relation to fiat and alfa Romeo cars only.
You can not reprogramme a key which has been used before. You need a key which matches the lock and is blank. Thereafter you can only programme it
using examiner (fiat,alfa diagnostic computer) and code which you also need to buy from alfa. With the code, car and examiner the key can be
programmed to your car.
I am aware that certain key cutting companies can cut a blank key and clone the new key from an existing one. This will be a copy of the one you have.
Doing it through alfa will give you a working key which is not the same as the one you already have but which is programmed to you car. I think there
is a max of 6 which can be programmed to the car.
[Edited on 19/12/11 by ssc28]
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jossey
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| posted on 19/12/11 at 10:35 AM |
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quote:
Originally posted by ReMan
I'm interested in this as I have (legitimatly) a number of keys for mondeo and golf and wondered if there was any value in them?
MK3 mondeo keys can be reprogammed by putting key in ignition do the on off trick 3 times and pressing unlock and lock on new keys which will program
the key. so if you have mk3 keys get em on ebay.
not long ago i had to program a key for me little brother cos he is an idiot lol
golf not sure about.
Thanks
David Johnson
Building my tiger avon slowly but surely.
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britishtrident
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| posted on 19/12/11 at 02:45 PM |
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Fiat group used to have red master key to allow you to introduce new blue keys, but they must have adopted a Valeo type chipped key a with a
limited number of new keys that can be introduced. Most likely it will have been cracked but the best cheapest option is a cloned key, the problem
with cloned keys can be the rolling codes can get too far out of synch to re-synch but normally this doesn't seem to be an issue.
as already the remote fob for the central locking is a separate part.
There is a way to ox the immobiliser so a plain jane mechanical copy of the key will do the job but you have no security.
[Edited on 19/12/11 by britishtrident]
[I] “ What use our work, Bennet, if we cannot care for those we love? .”
― From BBC TV/Amazon's Ripper Street.
[/I]
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