VCDS software is basically used to diagnose and adjust motor vehicles from the Volkswagen Group. It enables users to view and adjust data that different car computers use.

Among the vehicles whose data can be diagnosed and adjusted using this software include Volkswagen Passenger, SEAT, Skoda automobiles and Audi. The software is also used in commercial vehicles that are produced by Volkswagen.

Basically, VAGCOM interface connects to Data Link Connector of the car – and USB port of the computer. With the right cable, the software can be used in examining any car from VAG group for maintenance and diagnostic procedures.

The software performs several functions as a tool for automobile electronic diagnostic.

They include:

  • Modifying control codes to perform tasks like turning off seatbelt chime
  • Diagnosing and adjusting car engine tuning
  • Adjusting electric windows performance
  • Turning on European fog light
  • Reading error codes from the car
  • Turning off or resetting error codes

It is important to note that you should be careful about how you use this software. If you adjust or modify some parameters within the vehicles brain, it may have unpredictable consequences.

Therefore, it is advisable that you note down the values changes… so that you can restore them back in case you do not get your desired results.

This software uses a more in-depth, specific protocol command from the manufacturer, the Volkswagen Group. This enables its users to access different diagnostic cable systems of their vehicles. For this reason, the software can be used for diagnostic purposes even in automobiles that generic OBD-II or EOBD do not cover.

Basically, this software can be used in two ways…

First, it can be used as a package that includes both the hardware and software. The manufacturer or agents distribute this package. Second, the software can be used by building a customized interface hardware that can be used with its shareware version that is publicly available though limited. The software can interface vehicles that employ the protocols of generic OBD-II or EOBD. Nevertheless, the standards of EOBD and OBD-II allow limited diagnostics only without any ECUs adjustments.

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