erWin Audi

The features offered by erWin and how to use them.

Vehicle-specific documents

You are asked to enter a valid vehicle identification number (VIN) via the "Vehicle-specific information - Vehicle identification" menu option.

All important vehicle data such as model, model year, engine code letter etc. is then displayed.

You can now call up all information relevant for repairing the vehicle in question.

This information includes technical product information, workshop manuals, current flow diagrams, bodywork repairs, maintenance handbook and maintenance tables.

Please note that you can only view the content of the documents with a valid flatrate.


All the important information about the flatrate is available here. You can also conclude your individual user contract for the Online Service Information.


In order to enjoy unlimited use of erWin, you must be a registered user of the system. The first time you log on, you will receive a personal password, which, together with your user name, will grant you access to all erWin information which is available free of charge.

Step by step

erWin "Step by step" provides detailed information on how to use the various Audi erWin functions. This will be of particular benefit to first-time users. From registration to ordering articles, erWin introduces you step by step to all topics relating to ordering articles or using them online.

Help, GTB, data protection, imprint

You will find the Help, GTB, data protection and imprint items at the bottom of every erWin page.
erWin help offers information about system requirements and the best display, answers to frequently asked questions and contact addresses for technical information and general enquiries to erWin itself.
Refer to GTB for information about the erWin general terms of business.


The Offboard Diagnostic Information System Service diagnostic software
  • Enables offboard diagnostics to be performed for all Audi-brand vehicles via an SAEJ2534-compliant interface (diagnostic interface).
  • Also offers the option of gaining direct access to selected repair and maintenance information while diagnostic work is ongoing via the diagnostic software.

password security

The password security rules have been adopted. These rules apply to all applications, for example Offboard Diagnostic Information System. New passwords should apply at least to the following rules:
  • at least 10 characters
  • at least three of four of the following character classes: capital letters, small letters, numbers, special characters {!@#$%&/=?_.,:;\-}
  • maximum two similar characters sequently

To change the password every 90 days, you have to log in via the following link:
To be able to login, you have to select "Login with Global-UserID".