Car Information

Common Diagnostic Procedures

Updated 23 May 2018

These pages detail some vehicle-specific Common Diagnostic Procedures that can be performed with VCDS. These are not a substitute for the correct Factory Repair Manual for your vehicle. Ross-Tech is not responsible for any damage or problems that may result from following these instructions. They are to be used at your own risk. We will be adding more pages periodically and welcome any comments or suggestions to  info@v-techuk.com

Immobilizer Information for VW/Audi/Seat/Skoda 

Information about how  Immobilizer works and what procedures are available to deal with it in the Ross-Tech Wiki

Important Note: Unless you ALREADY have the SKC information for your vehicle and components then you will NOT be able to do any of the Immobilizer functions.

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Ross - Tech Wiki

This is an encyclopedia of information such as common Fault Codes and Diagnostic Procedures. (Beta – This site is continually having content added and will eventually be the primary resource for information on usage of VCDS)

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Application Charts

Showing Which Interface works with each vehicle (Which controllers are in my car and where do I find the diagnostic port?)