ELV / KESSY A6 C6, Q7 & Comfort Passat B6 License

The ELV / KESSY A6 C6 Q7 Passat B6 License is a dedicated PolDiag software license designed
to provide controlled access to ELV and KESSY systems used in selected Audi, Volkswagen, and
related VAG platforms. With this license, professional users can safely read, decode, and modify
immobilizer-related data using supported PolDiag hardware.

ELV / KESSY License Capabilities

Guaranteed Functionality

• Read, change, and write EPROM data (with working key)
• Decode immobilizer (IMMO) data
• Read Component Security (CS), PIN, MAC, and IMMO status
• Read key ID information
• Perform key learning procedures

The ELV / KESSY A6 C6 Q7 Passat B6 License supports professional diagnostic and data-handling
operations on supported ELV and KESSY systems. Therefore, users can perform immobilizer-related
tasks while maintaining the original system structure.

Important Notes

• For some operations, such as EPROM reading or writing,
  an original working key may be required.

Compatibility depends on vehicle configuration, control unit version, and system state.
As a result, not all functions may be available on every supported platform.

Hardware Requirement

To use this license, users must have a PolDiag OBD Interface and a
PolDiag Key Adapter. Without the required hardware, license functions
cannot be performed.

For compatible hardware and available extensions, refer to PolDiag OBD Interface options.
Additional technical background on ELV and KESSY immobilizer systems is available in
public VAG security documentation provided by vehicle manufacturers.

The primary and guaranteed function of this license is access to ELV and KESSY systems
for EPROM reading, IMMO data decoding, and key learning on supported vehicles.
All other functions are secondary and not guaranteed.