key fob programming I have an extra key fob I would like to program to my car is this something that can only be done at the dealer or by a specialist?

 

Yes, unless you have the SDD software and know how to use it.

How do you know that your extra Smartkey has been cleared and is programmable? Where did you get it?

https://www.jaguarforums.com/forum/x...ey-fob-212025/

https://www.jaguarforums.com/forum/x...tected-265669/

 

I got the extra Smartkey at the dealer where I bought the car they had and extra from a previous car I don't know if its programmable it looks like the Smartkey that came with the car I guess it has to be cleared and programmed I think the Smartkey is from an SUV where is shows the truck open looks like an SUV not the XJ

 

If the Key Fob says Jaguar on it it's more likely came from an F-Pace..

 

this is what it looks like

 

If you know someone with an Xtool 8. They can program a key fob in about 3 minutes I made 2 keys having the original key fob on my 2015

 

Can this person with said Xtool8 save my key info and after make copies for someone else? should I trust a stranger making copies

Do you know if this is the correct part number?

FCC ID: KOBJTF10A

IC: 3521A-5TF-10B

OEM Part #(s): 5E0U50357
C2D51457
C2D51457
C2D48479
C2D42550
T2R23393
T2R6898S
T4A12802

Frequency: 315 Mhz

Battery: CR2032

 

It´s work so that the key chip is paired with vehicle. Chips are hardcoded. If you lose the one key, its possible to make car to forget that single key by factory diag tool (SDD)
Ofcourse pretty much everything are hackable but the gain is not worth of the effort.

 



 

 

I erased all smart keys including the original and was able to reprogram the original and 1 spare key you DO NOT need the original key to program all you need is any key fob compatible with the car
the original key is not special all compatible keys are the same
I thought I had to have the original key in the system to be able to program another not true I erased it and was able to program my spare key no problem then I programed the original

 

Correct. If you don't have 2 working keys then you must delete ALL keys and then re-add them one at a time.
This is why it's important to get 2 keys/FOBS when buying a used car. They are often lost and many people buying used are only getting one key.

This is a problem just waiting to happen! Please don't operate with only one key it will come back to bite you!

Be aware that after market suggestions are usually cloned keys. These do work fine but again the car thinks you only have one key so when things go wrong (and they will at some time!) all the keys will stop working. So you really want 2 completely separate working keys. Plus with cloned keys the memory stuff that follows the separate keys is also gone. Things like seat and steering wheel position memory.

IanXF that tool looks nice! What does it cost?
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I bought it 3 years ago paid 700.00us

 

I had two keys cut for mine, cost was £550 and I didn't have the originals. They took about 2 hours and the existing keys were disabled

Getting in to the car without any keys mind that was a different question

 

No first I tried and was able to program with just the one smart key after that I erased all keys and reprogramed because I wanted to delete the one key I do not have
I was parked at the dealership parking lot while doing this in case I was not able to reprogram after deleting all keys so I would not have to tow the car to them
I was able to reprogram no problems at all I now have 4 smartkeys! programed to the car I bought two new ones off of Ebay