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K-Suite 3.06

CVN on vehicles from VAG

We continue to work on one of the most important and discussed issues of recent months, namely, the issue of CVN tracking. After the release of protocols 628 and 629 for BMW, we decided to focus on the cars of the VAG group. Now CVN is no longer a problem for Audi, Seat, Skoda and Volkswagen with Bosch EDC17 med17 ECU!

CVN (Calibration Verification Number), is the checksum of calibration of the file recorded in the ECU. CVN monitoring involves checking the conformity of the factory calibration in the control unit, which has been recorded by the vehicle manufacturer.

Now on the Bosch MED17 and EDC17 blocks of the VAG group, the CVN of the modified file will always match the string. This means that you will be able to work through the OBD connector with the KESS v2 tool, as well as "on the table" with the K-TAG tool, without any additional protocols and additional costs

Vehicles, and protocols:

New units supported by KESSv2 tool

Thanks to the new to the K-Suite, you will be able to work on the Abu cars, trucks and agricultural equipment through the OBD connector:

Renault Hitachi BED434

Porsche Continental sdi21.X

BMW series f Bosch MEVD17.2.8

BMW series f Bosch MEVD17.2.Black

Tractor Motorola CM850 Cummins Blount

Cummins Ikarus truck CM2350A

Truck Vögele Cummins CM2250

Cummins Foton truck continental CM2220C



We have added support for VAG engines installed in VW AMAROK 3.0 TDI with ECU Bosch EDC17CP54 TC1793 using the Protocol 533 KESSv2 tool.

Engine code




Possible connection methods for KESSv2 and K-TAG


OBDOBD PatchOBD PasswordOBD Virtual ReadingBootOBD Boot
Direct Connection


News on kessv2 and K-TAG tools


VehicleEcuECU VersionMicroMakerMethod
BoschMEVD17.2.8TC1797BMW Serie F
BoschMEVD17.2.HTC1797BMW Serie F
MotorolaCM850Cummins Blount
MotorolaCM2350ACummins Ikarus
MotorolaCM2250Cummins Vögele
ContinentalCM2220CCummins Foton