key fob programming
Veteran Member
Joined: Aug 2010
Posts: 10,105
Likes: 7,106
From: Atlanta suburbs
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/
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/
Thread Starter
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Senior Member
Joined: Dec 2023
Posts: 389
Likes: 26
From: Toronto
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/
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
Senior Member
Joined: Apr 2021
Posts: 808
Likes: 216
From: Texas
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
Thread Starter
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Senior Member
Joined: Dec 2023
Posts: 389
Likes: 26
From: Toronto
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
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Veteran Member
Joined: Mar 2020
Posts: 1,120
Likes: 359
From: Finland, Helsinki
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.
Ofcourse pretty much everything are hackable but the gain is not worth of the effort.
Senior Member
Joined: Apr 2012
Posts: 343
Likes: 95
From: FL
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
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
Spoiler
Last edited by IanXF; Jan 6, 2024 at 06:33 AM.
Thread Starter
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Senior Member
Joined: Dec 2023
Posts: 389
Likes: 26
From: Toronto
Spoiler
Thread Starter
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Senior Member
Joined: Dec 2023
Posts: 389
Likes: 26
From: Toronto
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
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
Last edited by JaguarXJL15; Jan 31, 2024 at 11:50 AM.
Veteran Member
Joined: May 2009
Posts: 12,049
Likes: 3,344
From: home
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?
.
.
.
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?
.
.
.
Senior Member
Joined: Apr 2012
Posts: 343
Likes: 95
From: FL
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?
.
.
.
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?
.
.
.
Junior Member
Joined: Dec 2023
Posts: 10
Likes: 2
From: Sandbach
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
Getting in to the car without any keys mind that was a different question
Thread Starter
|
Senior Member
Joined: Dec 2023
Posts: 389
Likes: 26
From: Toronto
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?
.
.
.
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?
.
.
.
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
Senior Member
Joined: Jun 2023
Posts: 322
Likes: 20
From: Bucharest
Both keys don't work.
Big problem guys. I tried to open the Jag and…. Nothing. Got the other key…. Still nothing. Opened the door and bonnet, to try to open the trunk….. On the plus and minus at the engine…. Computer wont wake up. No nothing. Nothing. Even with car battery starter on. Pleaseeeeee helpppppppp
Whats the problem??
What to do?????? Whats happening??
Whyyyyy????
Please urgent help / info/ ideas……..
Whats the problem??
What to do?????? Whats happening??
Whyyyyy????
Please urgent help / info/ ideas……..
Senior Member
Joined: Jun 2023
Posts: 322
Likes: 20
From: Bucharest
Helpppppppppp! Keys not working
Big problem guys. I tried to open the Jag and…. Nothing. Got the other key…. Still nothing. Opened the door and bonnet, to try to open the trunk….. On the plus and minus at the engine…. Computer wont wake up. No nothing. Nothing. Even with car battery starter on. Pleaseeeeee helpppppppp
Whats the problem??
What to do?????? Whats happening??
Whyyyyy????
Please urgent help / info/ ideas……..
Whats the problem??
What to do?????? Whats happening??
Whyyyyy????
Please urgent help / info/ ideas……..
Senior Member
Joined: Jun 2023
Posts: 322
Likes: 20
From: Bucharest
First.… both fobs dead at the same time?
Where to put it on the dash? Whats the place?
And.…… nothing powers….. I opened the door by hard key…… but nothing powers.
Helppppplpplll
Senior Member
Joined: Jun 2023
Posts: 322
Likes: 20
From: Bucharest
Monday I had driven it. Locked it by door handle button. Like always. What the hell happened?? Out of the blue like that? Its just like it simply does not see the key….. Both fobs…… at all. And….with dead battery, powered from the engine compartment…. Should wake up or not? Because……. Nothing…….