Volkswagen Workshop Service and Repair Manuals

At present only the "BETA" and "GAMMA" units of radio generation 10.99▸ are equipped with self-diagnosis for V.A.G 1551.

The self diagnosis must be initiated at the commencement of fault finding and the stored information interrogated with the

Vehicle Diagnosis, Testing and Information system VAS 5051 or

Fault reader V.A.G 1551 or

Vehicle system tester V.A.G 1552.