technical bulletin is from the USA because there is no European online, but it looks exactly the same.
This is an example.
Current Audi and VW are like a computer, all the software of the car is stored in the server ingolstad, every time when we diagnose a car problem, connect the car to the tester VAS.
VAS tester automatically selects the connection onlain, and compares the software in the car agrees with with the software on the server.
This also applies to long codings, if something is not right automatically restored to original.
Now I will give you an example.
Q7 arrives on the warranty of the gearbox problem.
The first step I connect the VAS 5052, GFF choose the because that is the procedure efficiently. It is error then the tester VAS directs me to read the TSB{ number 04223 EXAMPLE}. TSB tells SVM UPDATE select for gearbox and engine.
We perform this step and it turns out that it is the newer software gearbox and engine, After the upgrade, very often the engine does not start,only afterwards informs customers that his car was Tuned.
Replacement costs for a new motor controller borne then he.