The various computers in the car are
called “Control Modules” or "Controllers". On this screen, you select which Control
Module you want to "talk" to. Note:
Your car will not have all the Control Modules listed in VAG-COM, only
the ones on the Applications
Page for your car. Newer cars have more, older cars have fewer.
Each tab on the
top of this screen contains a number of different controllers grouped by
category: Common, Drivetrain,
Chassis, Comfort/Conv, Electronics 1, and Electronics 2.
Each possible controller is listed as a number and a description, i.e.,
number corresponds to the controller number that you'd find in your
Factory Repair Manual in the instructions for using a VAG-1551 or other
factory diagnostic tool.
To establish communications with a particular Control Module, simply
click on the appropriate button.
You can also enter any
address manually. Simply put in the address and click
To return to the Main Screen, click
In this demo, any Controller you click will take
you to the Engine controller. Examples screens for functions may be
from various different Controllers (Engine, Airbags, Instruments).