Dear erWin Customer,

Due to maintenance activities, ELSAPRO will have no functionality on 29.05.2022 from 14:30 to 16:30 (CET).

During the time between 11.06.2022 and 12.06.2022 between 19:00 and 04:00 (UTC-0) erWin is not available due to maintenance work/ system modifications.

please accept our apologies for the inconvenience.

erWin Audi
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Applications, forms and certification

Customer number

Offboard Diagnostic Information System Service, ordering workshop equipment, VAS diagnostic tester

In order to access certain systems of Volkswagen AG as well as when ordering certain items, each partnership business and each independent market operator must be registered in the Volkswagen AG partner directory.The reference for this entry is what is referred to as the customer number.

Online in erWin

GeKo access

Safety-related functions for diagnostics

A GeKo user licence is required in order to use online services in connection with the diagnostic software provided by Volkswagen, which enables you to program immobiliser components (e.g instrument cluster, engine control unit), keys and component protection (e.g. air conditioning unit, navigation system etc.) to the vehicle.

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Dealer portal

For use of the Offboard Diagnostic Information System (ODIS) service diagnostic software and for FAZIT/GeKo user rights (security and component protection), every employee in your business, who is a user, needs what is referred to as a Global UserID/Group User ID. Your responsible importer of the Administrator of your business must create user profiles for the relevant employees for the OrgID of your business in the Dealer Portal of Audi AG. The Dealer Portal can be accessed on the Internet at

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Do you want to become an Audi partner? If so, read through the information on the pages below to find out about the relevant certification processes

The AUDI AG quality standards.