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FOB Key Programming

128K views 112 replies 44 participants last post by  Champagne  
#1 ·
After my FOB Key 'De-Programmed' itself I couldn't open my TREG (with one key)

The dealer told me it would cost $50-60.00 to reprogram OR if that didn't work a new key would be $469.00 + the reprogramming cost! :mad:

I found the DIY reprogramming information on the following website;

VW Remote Fob Programming Guide: | autokeysquad.co.uk

VW:
VW Volkswagen Step-by-Step FREE Fob programming guide:
Remote Control Programming (1997 ON)
Procedure:
1. Switch Ignition ON and leave the key in the ignition.
2. Mechanically lock the vehicle using the Drivers door using a second
key.
3. Using the remote control press the Unlock button once, and the horn
will sound once.
4. Wait 6 seconds and press the unlock button once to activate the coding
procedure. The remote control will now be programmed.
NOTE : When performing programming on additional remotes the procedure
is the same, except you press the unlock button 2, 3 or 4 times for the
different remote.
For example : If programming 2 remotes press the unlock button twice with
a 1 second interval between each press, repeat for 3 and 4 remotes.
5. Switch Ignition OFF.
6. Remove key from ignition and check for operation.
7. The coding procedure can be repeated up to 4 times for additional remotes.
8. The ignition must be switched OFF between programming each remote
control.


It took all of forty (40) seconds to program the faulty FOB Key and saved me $$$$$$$

:D :D :D :D
 
#112 ·
BOOM! I can't believe this works. But it does! My Touareg had two fobs - both had lost their connection because the battery had been disconnected for an extended period of time. The alarm was going off as soon as you connected the battery.

Connected the battery...alarm blaring....followed these instructions. First fob re-synched. Used it to deactivate the alarm. Re-synched the second fob as well.

Just as original poster claimed...less than a minute and both were working.

Beautiful!

Z
 
#106 ·
Nope. The KeyMe one doesn't actually have a locksmith in the area they said. I think we have a kiosk in the Fred Meyer or something, but that won't work for these purposes. Doaks is the one everyone in town goes to, and he already told me he couldn't help me. I put up flyers all over downtown, and it's First Friday today, which lots of locals go to, so hopefully the pic I included will jog someone's memory.
 
#104 ·
I'm at the very least glad to know it wasn't just me. They treat everyone ****ty apparently! They didn't do any of the smaller items I asked them to do - they didn't even wash my car after I had to pay like $1000 to get my car there (ferry + gas) and take a week off work just to get the fix done... because of their intentional fraud. It's just unreal. I also have to get my catalytic converter replaced, I assume because they ****ed something up in the fix. Luckily that is still under the extended warranty, so I guess I'll just get it all dealt with in one go and be done with it.
 
#97 ·
Read up on the modern systems and theft prevention\deterrent integrations in these vehicles.
I'm attempting to let you know what matching\pairing components is very technical and it is not a jobbie for some dude that has cut a key before......
Just to get access to the VW server to match components and authorize their use requires all sorts of criminal record checks, security clearance, paperwork, etc..... very few independent specialist shops even have that outside of dealerships.

You're gonna brick your vehicle and you won't be selling eff all after that.... unless you're talking about scap value.
 
#88 ·
I'm sorry for you but this is the very reason that over the years I have told people repeatedly that if they only have one fob then get another ASAP, even at dealer prices, otherwise they will be in a world of pain if they lose the fob they've got.

Your particular world of pain was beyond my wildest imagination and, in fairness, it's probably beyond VW's too as, being European, they probably think no one is ever more than 100 miles or so from a dealer.
 
#89 ·
because it's ****ing locked, you d!ck. I lost my key. As I said. And I've had my car for 7.5 years, five of which were in Alaska. My first key went missing in my move from Texas, and I didn't think much of it, because I have never lost a car key before and had no idea it was such a nightmare to deal with what should be a simple fix. Thanks for your concern, jerk.
 
#83 ·
I was thinking that too after reading this thread, ha.

The key would not be original, but it would be a higher-quality replica. I also have two of the cheaper replicas from China ... one worked for a while, but the key person said the risk with these is you pay all this money to program them ... and then they just don't last that long.

Thoughts?

Thanks for responding.
 
#80 ·
Hi, I just bought a 2017 Touareg that has 1 FOB (this is the rounded kind with the plastic emergency key, not the flip out metal key FOB). I want to get a 2nd FOB, but the local dealer wants $230 for programming and $227 for the FOB and key, plus tax. I see aftermarket FOBs for about $30 on ebay. They say 'have a local locksmith program it'. I have not yet found a lock smith that will do this. I'm investigating what I have to buy (like from obd2store.com) to read the code(s) and program a new FOB. In this thread I've seen that a VAG Com reader can read the older model codes, but there seems to be a question if it would work for 2017...? If not, what do I need to read codes?? Locksmiths have it, so it must be available. Secondly, what is needed to program the key? Just a VCDS Crack cable and some software on my laptop? What software? There's a lot of different VCDS crack cables. Can anyone provide a source and p/n for the equipment/software needed to read codes, and program the FOB?
Thanks
BTW, the dealer refused to program a non-OEM FOB.
 
#86 ·
Hi, I just bought a 2017 Touareg that has 1 FOB (this is the rounded kind with the plastic emergency key, not the flip out metal key FOB). I want to get a 2nd FOB, but the local dealer wants $230 for programming and $227 for the FOB and key, plus tax. I see aftermarket FOBs for about $30 on ebay. They say 'have a local locksmith program it'. I have not yet found a lock smith that will do this. I'm investigating what I have to buy (like from obd2store.com) to read the code(s) and program a new FOB. In this thread I've seen that a VAG Com reader can read the older model codes, but there seems to be a question if it would work for 2017...? If not, what do I need to read codes?? Locksmiths have it, so it must be available. Secondly, what is needed to program the key? Just a VCDS Crack cable and some software on my laptop? What software? There's a lot of different VCDS crack cables. Can anyone provide a source and p/n for the equipment/software needed to read codes, and program the FOB?
Thanks
BTW, the dealer refused to program a non-OEM FOB.
Did you ever get an answer for this? I'm in Juneau, Alaska and just lost my 2016 Touareg key fob. We have no local dealerships, and so they want me to break into my car, tow it to a barge, and then barge it all the way to Seattle, fly to seattle, and then take my car to a dealership to get a key. This will cost me I'm guessing at least $3k if I have to do it this way. It's unbelievable that they don't have any other way to deal with lost keys. Like, I cannot be the first person to lose a key that isn't close to a dealership.
 
#79 ·
I cannot get this to work.

My horn doesn't work and the second key that I am using does not have a working fob. Do those things matter?

What am I missing.

1 - turning the car on and leaving it running with the key I want to program
2 - reaching out of my window and locking the drivers side door with a separate key (no fob on it)
3 - pressing the unlock button on the key that is in the ignition
4 - waiting six seconds and pressing the key that is in the ignition again

Waiting 30 seconds,turning the car off and trying the fob. Doesn't work. Please help! THANK YOU!
 
#76 ·
I got a new old stock key for $8, so yeah. Also, the locksmith in my area refused to do it. Trust me, I would rather pay someone with business insurance to do this, potentially brick it, and ultimately be responsible for fixing their mistake.
I am pretty sure precoding came in with the 7 digit SKC. I have also read of and had private conversations with 2005 owners who have programmed their new keys exactly like I am trying to, which is how I got this far in the first place. At least one of those people posted this information in this very thread... so how do you explain their success despite not "precoding" the key?
 
#73 ·
You can’t program a new key on your own. The transponder needs some initialization stuff. You need to prepare the knew key if it was not done before delivery to you. Getting the skc is easy but not bricking the treg while programming the virgin key is a bit tricky. You paid 200$ for a 15$ key on aliexpress. Ok it is genuine and that’s good. Now you just add the 100$ and finish the job. If you brick the treg it will cost you more than that in towing only.
You can do it a lot cheaper at a local locksmith who has the tools. The key itself would have cost you 4 times less.


Sent from my iPhone using Tapatalk
 
#78 ·
You can’t program a new key on your own. The transponder needs some initialization stuff. You need to prepare the knew key if it was not done before delivery to you. Getting the skc is easy but not bricking the treg while programming the virgin key is a bit tricky. You paid 200$ for a 15$ key on aliexpress. Ok it is genuine and that’s good. Now you just add the 100$ and finish the job. If you brick the treg it will cost you more than that in towing only.
You can do it a lot cheaper at a local locksmith who has the tools. The key itself would have cost you 4 times less.


Sent from my iPhone using Tapatalk
So this above comment is definitively debunked for the 2005 Touareg. Being snarky feels good on the internet... but make sure you actually know what the heck you're talking about before you mansplain, TRespect ;)
No precoding is necessary. Both my ebay Chinese key and my new old stock key (as well as my old original keys) were all just 100% programmed. No immobilizer warnings. No fob malfunctions. I can use the remotes and start the car with all of them... even the plastic valet key.

I used the Vag Key tool from ebay for $50 and got my SKC and then my Rosstech cable with VCDS to do the key adaptation.

I have re-written the Rosstech instructions to be accurate for the 2005 model with color dash display.


INSTRUCTIONS WHEN AT LEAST ONE (1) KEY IS ALREADY PROGRAMMED

Begin with an existing/ programmed/ “old” key in the ignition ON position but do not start the engine

[Select]
[05 - Acc/Start Auth.]
[Meas. Blocks - 08]

Select Block 022.
[Go!]
The value in field 3 must be 1. If value is not 1, the key is not capable of being adapted to Immobilizer.
You can check each key in this manner.
This may be displayed as field name KEY OK with possible values of Yes or NO. The field must have a value of YES to proceed.
*Perform this procedure for each of the keys to be programmed



Select Block 023.
[Go!]
Make sure the shown lock times in field 1, 2, 3 and 4 are 0 (each field represents a time in minutes).

If the lock times are greater than 0:

Do NOT switch off the ignition!

Allow the car to sit for AT LEAST the number of minutes that were indicated by the fields 1-4.

CHECK THE VALUES OF BLOCK 23 AFTER THE FINAL KEY ADAPTATION HAS BEEN MADE



[Done, Go Back]


[Sec. Access - 16]

4-digit PIN


Enter zero followed by the 4-digit PIN. For example, if your PIN is 1234, enter 01234.

7-digit PIN

[Do it!]


Turn the key into ignition position. Key adaptation cannot continue until ignition is on. On automatic transmissions with color display, you must wait until the gear selection indicator is visible on the right side of the cluster display. Dome lights may dim and other relays and modules may also activate at this time. Adaptation will not be successful until these conditions are met.

[Adaptation - 10]
Enter 21 in "Channel Number".
[Read]
The "Stored Value" is the number of keys currently matched.
Enter a "new value" corresponding to the total number of keys to be matched, including any existing keys.
[Save]
[Done, Go Back]
[Close Controller, Go Back - 06]

Note:
During the following steps, do not leave any one key in the ignition for longer than 30 seconds and try to perform the entire adaptation process for all keys within 60 seconds, total.

Begin multiple key adaptation with key #1 (an “old” key that has previously been paired to the car). When “learning in progress” message appears on the cluster display, turn ignition OFF and insert key #2. Turn ignition ON and wait for about 3 seconds. Steering wheel should unlock. Turn ignition OFF and remove key. Steering lock should engage.

Insert any additional keys, turn on ignition, and wait for about 3 seconds. Steering wheel should unlock. Turn ignition OFF and remove key. Steering lock should engage.

Finish by inserting key #1 again and turning the ignition ON. No messages related to learning or immobilizer should appear on the screen.

IMPORTANT: before attempting to start the car
[05 - Acc/Start Auth.]
[Meas. Blocks - 08]

Select Block 023.
Wait at least the amount of time listed in any of fields 1, 2, 3, or 4

Test each key by starting the vehicle engine and allowing it to idle for at least 10 seconds. There should be NO “imobil. activated” message on the cluster, the engine should remain running, and the steering lock should be disengaged with each key.





When I tried to program my keys, I went from 3 to 0 total programmed keys—they were all inadvertently deleted. The procedure looks a little different when you are programming starting from 0 “old keys” and you may get multiple immobilizer errors during the procedure while the keys are being programmed.

INSTRUCTIONS WHEN ZERO (0) KEYS ARE ALREADY PROGRAMMED


Place and hold the brake pedal for up to 20 seconds before attempting to access module 5. Keep the brake pedal depressed until the module is closed and key adaptation process is complete

[Select]
[05 - Acc/Start Auth.]
[Meas. Blocks - 08]

Select Block 022.
[Go!]
The value in field 3 must be 1. If value is not 1, the key is not capable of being adapted to Immobilizer.
You can check each key in this manner.
This may be displayed as field name KEY OK with possible values of Yes or NO. The field must have a value of YES to proceed.
*Perform this procedure for each of the keys to be programmed



Select Block 023.
[Go!]
Make sure the shown lock times in field 1, 2, 3 and 4 are 0 (each field represents a time in minutes).

If the lock times are greater than 0:

Do NOT switch off the ignition!

Allow the car to sit for AT LEAST the number of minutes that were indicated by the fields 1-4.

CHECK THE VALUES OF BLOCK 23 AFTER THE FINAL KEY ADAPTATION HAS BEEN MADE



[Done, Go Back]


[Sec. Access - 16]

4-digit PIN


Enter zero followed by the 4-digit PIN. For example, if your PIN is 1234, enter 01234.

7-digit PIN

[Do it!]


Turn the key into ignition position. Key adaptation cannot continue until ignition is on. On automatic transmissions with color display, you must wait until the gear selection indicator is visible on the right side of the cluster display. Dome lights may dim and other relays and modules may also activate at this time. Adaptation will not be successful until these conditions are met. You will have less than 30 seconds to engage the “learning process” before having to restart this procedure. If the gear selection display disappears before the “learning in progress” message appears on the instrument cluster screen, restart procedure.

[Adaptation - 10]
Enter 21 in "Channel Number".
[Read]
The "Stored Value" is the number of keys currently matched.
Enter a "new value" corresponding to the total number of keys to be matched, including any existing keys.
The old keys are automatically being cleared.
[Save]
[Done, Go Back]
[Close Controller, Go Back - 06]

Note:
The following steps after saving the adaptation, should not exceed 60 seconds withing matching 2 of the keys and having one key in the ignition should not exceed 30 seconds!

Begin multiple key adaptation with key #2. When “learning in progress” message appears on the cluster display, turn ignition OFF and insert key #1. Turn ignition ON and wait for “imobil. activated” message to appear and disappear. Turn ignition OFF and remove key. Steering lock should engage.

Insert key #2. Turn ignition ON and wait for “imobil. activated” message to appear and disappear. Turn ignition OFF. Steering lock should engage. Then repeat this process for any subsequent keys until no message is displayed on the cluster screen. “learning in progress” should appear between each key adaptation.

IMPORTANT: before removing final key
[05 - Acc/Start Auth.]
[Meas. Blocks - 08]

Select Block 023.
Wait at least the amount of time listed in any of fields 1, 2, 3, or 4

Test each key by starting the vehicle engine and allowing it to idle for at least 10 seconds. There should be NO “imobil. activated” message on the cluster, the engine should remain running, and the steering lock should be disengaged with each key.
 
#72 ·
This information is valid for T1 cars. I have no idea about newer cars-- they don't interest me at all.

VCDS can 100% pair a key to the car, as long as you have the 4 digit PIN (in VCDS you add a zero at the front to make it a 5 digit PIN, FYI)

The transponder is actually an active electronic component on the FOB board vs the glass pill type that VAG had used elsewhere. So there is no easy way to program a "used" key from ebay etc. You need a new key with a new circuit board/ transponder OR a key that was already paired to your car in the past. There is a faint possibility that you can do a used key if you buy a new ID46 chip off ebay, program just the key blade with the chip taped to it (remove the key blade from the FOB and keep the FOB far away from the car), then find a way to jam the chip into the FOB case but there is a possibility that the car might jump between the valid and invalid chips during startup and you might have your car randomly die... I haven't tried this yet so I don't know.

If you don't have kessy you could possibly program the remote to open the doors but you cannot make it start the car without matching the immobilizer.

I just successfully used the Vag Key system off ebay to read my SKC PIN and I used it to preprogram an old key that had already been matched (one key was missing when I bought the car and I didn't want it out there floating around, ready to start/ steal my Touareg). This box 100% works for the first few model years of Touareg. It was about $50 and involved no movie-hacker type nonsense. I pressed two buttons and the SKC appeared.

For kessy cars (with the keyless entry/ lock buttons on the outside handles/ color dash display) this might be a lot harder because the remote and immobilizer transponder are programmed together. I have a 2005 V8 with Kessy and I can only get one of my two old keys to match at any one time (and even then it takes like 10 tries to make it stick). I haven't figured out how to do multiple keys, let alone program the brand new key FOB I have.
 
#71 ·
Hi Guys,

I have been to the dealer today and collected the new key from them (which I paid €200 for) and then been told it will take 3 hours to code the key and will cost €110 extra.

I was not told about the extra cost when buying the key and also not told it would take three fracking hours.

Here is a picture of my key. Will the above method work?

I do have two other working keys, this will be an extra spare.

My vehicle is: Touareg 1 (7L) 2004 TDI R5 2.5 174HP

241640
 
#69 ·
I just bought a used 2010 TDI with one key. I have two working key fobs from other vehicles I have sold (2001 Jetta, 2004 Touareg) - is there any chance those fobs can get re-programmed to work for my current vehicle?
Can I just get the actual key part cut and join that with the existing fob?
Local VW dealer said no - I have to buy the complete key in the before mentioned price range ...
Thank you! :)
Steph
P.S.: Do I need a VAGCOM for that?
Have a friend with one about 1000 kms (600 miles) away - might be time for a visit? ;)
 
#68 ·
Dealer rescheduled for tomorrow.

These are my original keys. I reprogrammed them for the Immo in 05 Start/auth in VCDS by following their directions. I made one mistake and triggered Immo but figured it out. Still no remote lock/unlock function though.

My post was more of an "easy way" to get your PIN. Having had little luck with other methods on a Win 10 laptop. Like me7_95040.exe, I cannot set my cable to 10400 baudrate, no option. And the -b switch does not work for me. But I learned elsewhere that Vag-401 will give you the code!