# VAG-COM Diagnostic System: Detailed Breakdown

VCDS (VAG-COM Diagnostic System) is an sophisticated automotive diagnostic system designed and produced by Ross-Tech, LLC since May 2000. First referred to as VAG-COM, it’s exclusively tailored for VAG vehicles, covering Volkswagen, Audi AG, SEAT, Skoda, and selectively, Bentley and Lamborghini models. https://vcdstool.com/

## Core Functionality and Purpose

VCDS is a computer-driven program suite that, when combined with a matching connection hardware, converts a regular PC or laptop into a high-performance analysis platform equivalent to many professional-grade tools. It connects to a vehicle’s system interface and communicates directly with the vehicle computers throughout the vehicle.

Different from basic OBD-II scanners, VCDS uses detailed Volkswagen Group-specific brand-specific communication functions, permitting it to reach each compatible vehicle systems—even in older models that don’t comply by universal OBD-II standards.

## Hardware Options

Ross-Tech offers several connection device options:

1. **V2 Cable**: A physical cable device engineered to be faster and reliable than earlier models. It offers a swappable USB cable and can perform automatic diagnostics significantly quicker than previous tools.

2. **Network Interface**: A cordless tool that accommodates both wireless network and USB links, permitting users to use the tool from a smartphone, Android device, or computer. This additional functionality provides greater versatility when diagnosing on vehicles.

## Subscription Models

VCDS is available in several usage plans:

– **Professional (Unlimited)**: For mechanics or users who handle multiple different vehicles.

– **DIY**: Capped to 10 unique VINs, suited for DIYers working on several VAG cars.

– **Personal**: Limited to 3 unique VINs, designed for families with just VAG vehicles.

## Capabilities and Abilities

VCDS offers comprehensive diagnostic and coding capabilities, such as:

– Reading and clearing diagnostic alerts from every vehicle systems (motor, gearbox, ABS, airbags, etc.)

– Accessing current data from vehicle sensors and generating charts of this data

– Conducting basic settings, adaptations, and software modifications

– Restarting service and check-up reminders

– Adjusting brake calipers for maintenance

– Executing engine throttle adaptations

– Performing diesel particulate filter manual maintenance

– Executing module function checks

Howard Pitkow evaluated in the user feedback explains VCDS as “the fastest diagnostic tool he owns” and “significantly quicker and easier to use than the Volkswagen dealership tool”.

## Model Coverage

VCDS works with VAG vehicles produced from 1995 up to modern models. With an extra legacy connector, support can be extended back to vehicles from 1990. The software supports all vehicles with 16-pin ports, supporting those using current Controller Area Network and UDS/ODX protocols.

## Analysis to Other Tools

When contrasted against competing VAG diagnostic tools like OBDeleven Pro, VCDS is generally viewed as more thorough and better suited for complex diagnostics and coding. While OBDeleven offer mobile compatibility and a more user-friendly interface for occasional users, VCDS provides more advanced functions preferred by professional mechanics and serious enthusiasts.

Based on user feedback, VCDS is particularly useful for:

– Dealerships diagnosing numerous VAG vehicles

– Home mechanics who often conduct maintenance exceeding simple oil changes

– Technicians who need comprehensive diagnostic information and specialized programming functions

– Drivers of legacy (pre-2005) VAG vehicles

The tool has grown into almost essential for committed Volkswagen and Audi home mechanics, with countless users viewing it “among the best purchases” for those working on these vehicles.