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Technical discussionbcm2 sync file

09-10-2026, 04:27 PM

alialkhateeb
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Hello everyone,
I am working on an All Keys Lost (AKL) situation on a Volkswagen Touareg.
I have read the BCM data and I currently have both D-Flash and P-Flash files available. I need help generating/calculating the Sync File to complete the key programming process.
the car is from another country so i don't have the abelite to read ecu or tcm
Vehicle & File Details:

Make/Model: VW Touareg
VIN: WVGBC27P1BD034910
Available Files: D-Flash & P-Flash

Please let me know if you can calculate the Sync File for this VIN and state your price/free for the service.

FLASH.zip

Size: 396.82 KBDownloads: 1

Download

Thank you in advance!

09-10-2026, 07:03 PM

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lupu_sandu

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Whitout ELV, tcu and ECU will be impossible to get sync.
Also without those files you still need to get access to car to make manual requests via obd2.

Thanks given by: StefanDST , alialkhateeb

09-11-2026, 04:50 AM

alialkhateeb
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(09-10-2026, 07:03 PM)lupu_sandu Wrote: Whitout ELV, tcu and ECU will be impossible to get sync.
Also without those files you still need to get access to car to make manual requests via obd2.

i just need the sync file and i well send it to another man to continue the work , i sow soo many posts talking about third party can calculate the sync file by the VIN and d flash and p flash thanks for replay

09-12-2026, 01:46 PM

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StefanDST

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Hello to calculate synk only with bcm2 files and txt files UDS comand requests ye indeed need third party that can use vag server to get cs from immo modules on that car to generate the synk file there is no automated service for this only with bcm file and uds comand because simple is not posible since vag server is involved and many other calculations must be hand made to get this file thats why a sync file only with bcm files and comand requests from 01 02 and so on cost more than 300 euro one file and a calculation by provideing dumps from all immo modules bcm ecu tcu elv cost about 70 to 100 euro and can be done also on dst if you have a subscription

Thanks given by: emanuel210 , alialkhateeb

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