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Recoding keys

Nick_USA

Nick_USA

PCGB Honorary Member
Member
Battery part number is 999 611 108 00 which is 4.34 less 10% club discount. You maybe lucky with the dealer (no harm in asking). The battery is actually a CR2032 available generally for a lot less.
 
Hi

I went to start the car this morning and it seems that one of my keys is no longer working, presuming it's the battery. The car is an 07, ive only had it 2 months, anyone know a) how much dealers charge for a new battery and b) if you think they'll do this free of charge as I only bought the car in march?

Thanks!
 
There is a split line around the body of the key, with the button side up slide a thumbnail into the joint ease it around the blade end of the body and it will open up, the button side of the body is the cover with most of the electronics inside careful not to drop it and make sure that nothing falls out, best done over a table. I've had no problems with the new type keys but earlier types didn't secure the PCB and had a little torch in etc. The modern key is much better made. The battery is in the other half and you just remove it and fit the replacement. As Nick says a CR2032 from the local car parts shop about £2.00-£3.00 but saves a trip to the OPC if it isn't nearby.
 
Brilliant, thank you. Had a try and it is easy, funnily enough after doing this but just closing it back up with the same original battery the key seemed to work again with the light coming on but by the time I'd got to the car it didn't work! I hope it is just the battery. At least its cheap to find out. Thanks again for all your help.
 
It can happen that cleaning the terminals sorts it but as you found the battery died pretty quickly when you change them it would be good if you just wipe the terminals inside the key to make sure they are clean, uses less power on a clean connection. But the batteries last years.
 
The result of this was actually the key had lost its coding, got that fixed free of charge at Porsche Guildford as it took them about 30 seconds to recode to the car but now its happened again and on booking in to Porsche East London for them to do it, they said they didn't think it was covered under warranty. I'm going to see them on Saturday morning, I won't be too impressed if I have to pay since I've only had the car 7 months and this is the second time its happened. Thankfully each time I've been in the same place as the spare key. Anyone else have any problems with this?
 
When I had a problem with the tracker fob it was done at the Sheffield OPC under warranty, so I would expect the key coding to be covered. Best give the OPC you bought from at Guildford a call and explain what as happened, they should sort it after all, they sold you the car with keys which should both work. Maybe they can get the London OPC to allow it under warranty but for it to happen twice I would suspect a duff key or possibly that there is some electrical item which can interfere with it, whichever you need to know the cause or if it is a fault with the key the fault needs to be corrected. I'd use the other key and see if the fault occurs either with the key you have been using or the one in use. One thing and I'm not certain it's correct but I have been told that you are supposed to use both keys from time to time to maintain the coding at something around every 200 uses or less, I've swapped keys regularly to run the batteries evenly but that's just so that I'm reasonably sure I'm not running one down quickly then when I fit new batteries, I do both keys. Was it the same key both times?
 
Thanks for your help again! I'm pretty sure its the same key as last time, I do use both, although the one that has failed is the primary key that I use. I'm going to ask them what could be causing it if they don't think its a duff key and will report back. They seemed surprised it had happened twice in such a short space of time. Fingers crossed they'll cover it, I said when I booked it that I expected it to be since I wasn't charged at Guildford for the same fault. I won't pay willingly thats for sure!
 
Well unless you're leaving the key in current use in close proximity to a source of high magnetism such as on top of a microwave or some other electrical equipment, I can't think of anything else that may effect it. Replacement keys are expensive so get it recoded but if it fails again insist the supplying OPC replace the key.
 
A very successful trip to East London Porsche, they tried recoding but on testing the key wouldn't work on every attempt so they gave me a nice new key, all covered under warranty. They also fixed a leaking tyre valve at the same time, again covered under warranty. Was very impressed with them and fingers crossed my key troubles are over!
 
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