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ianth
Newbie


Joined: 18 Nov 2015
Posts: 24



PostPosted: Tue Sep 26, 2017 1:24 pm    Post subject: Spare key Reply with quote

Hopefully someone may have a tip for me.
Just purchased a new to me Cayenne and have 2 keys supplied with the car.
The spare one had a flat battery as the led didn't light,so replaced the battery and now the led flashes,also used the shops meter to test its sending signals and it is.
But it does nothing on the car,won't unlock or lock or put ignition on?
Main key works fine.
On the nav screen it says only 1 key.
Do the keys have to be resynced to the car or is it more likely the spare key has never been coded to the car with it saying only 1 key synced.
 
  
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Porsche News
Motoring Editor
Motoring Editor


Joined: 08 Feb 2008
Posts: 6913



PostPosted: Tue Sep 26, 2017 1:58 pm    Post subject: Reply with quote

keys should need to be resync, it may be stuck in hibernation model which should be covered in the car's manual
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ianth
Newbie


Joined: 18 Nov 2015
Posts: 24



PostPosted: Tue Sep 26, 2017 2:25 pm    Post subject: Reply with quote

If it's indeed in the manual then I apologise,but I have scanned it quite thoroughly and can't see how to get the car to recognise the second key?
 
  
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Demort
Paul Ricard


Joined: 21 Mar 2015
Posts: 3343
Location: Sussex


PostPosted: Tue Sep 26, 2017 7:36 pm    Post subject: Reply with quote

Try putting it in the ignition , switch to position one then press and hold the unlock button for 5 seconds .. see if that works .
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ianth
Newbie


Joined: 18 Nov 2015
Posts: 24



PostPosted: Tue Sep 26, 2017 10:01 pm    Post subject: Reply with quote

Demort wrote:
Try putting it in the ignition , switch to position one then press and hold the unlock button for 5 seconds .. see if that works .


Tried that,no luck at all.
 
  
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Demort
Paul Ricard


Joined: 21 Mar 2015
Posts: 3343
Location: Sussex


PostPosted: Wed Sep 27, 2017 7:37 pm    Post subject: Reply with quote

The chances are you will need a new key then im afraid , the new type key can only be coded by Porsche as well .. something called FASIT which is an online coding system to Porsche .

Only other thing i can think of is take out the battery in the fob and reverse fit it then swop back and try the sync again .. never tryed it in a Cayenne but have had some success with other models .
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ianth
Newbie


Joined: 18 Nov 2015
Posts: 24



PostPosted: Wed Sep 27, 2017 9:01 pm    Post subject: Reply with quote

Tried that also.......gave Bolton Porsche a ring today and they will code it for half an hours labour which considering I was expecting it to cost a couple of hundred quid isn't to bad,so booked it in for Monday.
 
  
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Demort
Paul Ricard


Joined: 21 Mar 2015
Posts: 3343
Location: Sussex


PostPosted: Thu Sep 28, 2017 9:06 pm    Post subject: Reply with quote

Let me know how it goes please .. ive never tryed codeing an old key only new ones so im interested if this could get it working , i cant code them at an indy atm but we are looking at getting Porsche pass through so it will be usefull for the future .

Also need some picts of that oil leak when you get the chance Smile
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ianth
Newbie


Joined: 18 Nov 2015
Posts: 24



PostPosted: Thu Sep 28, 2017 10:14 pm    Post subject: Reply with quote

Will certainly let you know,my local accessories shop cuts keys and codes them so out of curiosity we had a play with the 2 keys,the one that works and the one that doesn't both have the same chip inside,but that's as far as we could get,couldn't read the chip and consequently can't clone it.
With only just buying the car I am unsure it was supplied with the car originally or someone may have just put a spare key on the key ring to make it look like its original.
Will find out at Porsche and let you know.
Hopefully I will get a couple of photos tomorrow as I will be doing all the pads and a few other small jobs.
Thinking of doing a fluid and filter change on the gearbox,ordered the filter but reading conflicting info on fluid,do any of these sound right (assuming the oe numbers correct)
* Porsche 958 300 540 00
* VW G 055 540 A2
* Febi 29934
* Fuchs Titan 4400 ATF
* Ravenol J1D2122
 
  
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ianth
Newbie


Joined: 18 Nov 2015
Posts: 24



PostPosted: Thu Sep 28, 2017 10:28 pm    Post subject: Reply with quote

Will certainly let you know,my local accessories shop cuts keys and codes them so out of curiosity we had a play with the 2 keys,the one that works and the one that doesn't both have the same chip inside,but that's as far as we could get,couldn't read the chip and consequently can't clone it.
With only just buying the car I am unsure it was supplied with the car originally or someone may have just put a spare key on the key ring to make it look like its original.
Will find out at Porsche and let you know.
Hopefully I will get a couple of photos tomorrow as I will be doing all the pads and a few other small jobs.
Thinking of doing a fluid and filter change on the gearbox,ordered the filter but reading conflicting info on fluid,do any of these sound right (assuming the oe numbers correct)
* Porsche 958 300 540 00
* VW G 055 540 A2
* Febi 29934
* Fuchs Titan 4400 ATF
* Ravenol J1D2122
 
  
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Demort
Paul Ricard


Joined: 21 Mar 2015
Posts: 3343
Location: Sussex


PostPosted: Fri Sep 29, 2017 6:10 pm    Post subject: Reply with quote

I tend to just fit the bits the parts guy gives me Smile

The oil seems correct for a 2011 - 2014 tip box though .
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ianth
Newbie


Joined: 18 Nov 2015
Posts: 24



PostPosted: Mon Oct 02, 2017 3:25 pm    Post subject: Reply with quote

Had it in to Porsche today and as suspected,it’s not the right key for the vehicle,they was unable to recode it but can sell me a new spare key for £350!
Think I can manage with one key,certainly for now.
I suspect the previous owner just bought a key of eBay to sell the vehicle with 2 keys,have to give him the benefit of doubt though as it may well be the owner previous to him I suppose.
Anyhow,lesson learned.
 
  
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JHMotorsport
Newbie


Joined: 11 Nov 2014
Posts: 7



PostPosted: Mon Oct 02, 2017 6:37 pm    Post subject: Reply with quote

I had good service in the part with guys called 'Express Auto Keys' as they are known on Facebook or try their website which is called www.keysinthepost.com
They were really good to deal with and provide recoding as well as replacement key blades.
 
  
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ianth
Newbie


Joined: 18 Nov 2015
Posts: 24



PostPosted: Mon Oct 02, 2017 6:53 pm    Post subject: Reply with quote

Thanks for that,just had a quick look at there website but doesn’t look like they do this style of key.as far as I am aware there’s only Porsche you can get it from,but if anyone knows different Smile
 
  
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