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Communications Interfaces

Ross-Tech can supply several different Interfaces (the hardware needed to connect a PC to your car). One end of the interface plugs into the a Serial (RS232) or USB port on your PC. See our Computer Requirements. The other end plugs directly into the OBD-II port present in all 1996 and newer VW/Audi passenger vehicles. VCDS also works with many 1990-1995 (OBD-I) cars, but these may require the optional “2×2″cabling adapter.

All of our Interfaces offer the following advantages over others on the market:

  • Act as a dongle for the full-function version of VCDS. No “Software Activation” required!
  • Precision-molded diagnostic connector made to our own specifications that fits all VW/Audi vehicles, even those with “tight” trim around diagnostic socket.
  • Work with “Lame Port” Laptops including Compaq and Acer models.
  • Built-in, Electronic Protection from the “Aftermarket Radio Problem”.
  • Fully automatic support for 2002+ Audi models with dual K-lines without kludgy switches (KEY- and HEX-series).

How to choose the interface that’s right for you:

First, decide how you’re going to use VCDS:

  • If you’re a professional mechanic who needs compatibility with all diagnostic-capable models from 1990 through the latest vehicles, or you’re an enthusiast who demands the best, get a HEX+CAN. These Interfaces are also available in a Pro-Kit. See our Pro-Kit Page.
  • If you’re a budget-conscious hobby-user just working on your own car, our KEY-series or Micro-CAN interfaces may be for you. The KEY-series is compatible with most cars from 1990-2002, as well as all newer ones which do not require CAN for diagnostics. The Micro-CAN is designed exclusively for use with the latest cars based on Mk.5 technology which require CAN for diagnostics. However, the Micro-CAN is not compatible with the latest Audi A4, A6, A8, or Q7 models; these models require a HEX+CAN.
  • Check the Application Chart for your vehicle to see which Interfaces can be used with it.

Second, consider the PC you’re planning to use:

  • If you’re using a modern laptop running Windows XP, you should get a USB interface. Although USB interfaces are no faster than the serial versions, it is becoming increasingly difficult to find new PCs with serial ports and a USB interface is more future-proof.
  • If your PC has a CPU speed of less than 1 GHz or is running an older version of Windows, we recommend using a serial interface — but please check that your PC has a serial port with 9 male pins.

VCDS® Premium Professional Kit


Two full systems for the busy VW/Audi repair shop
For the aftermarket repair shop that desires the best for VW/Audi work, wireless and wired, this is the Professional Kit that provides full convenience with fast diagnostic information.

With our new wireless HEX-NET interface and our older wired HEX-USB+CAN interface, this kit includes everything the busy shop needs to turn a Windows® PC or any smart device into powerful diagnostic tools for VW, Audi, Seat, or Skoda automobiles. The Premium Professional Kit provides the busy shop with a handy carrying case to store all the items needed including:

  1. HEX-NET WiFi Interface w/VCDS-Mobile
  2. HEX-USB+CAN Interface
  3. USB Flash Drive w/VCDS program
  4. Full color printed VCDS manual
  5. Right Angle OBD-II DLC extension
  6. 2×2 adapter for older cars
  7. USB Extension cable
  8. (1 year/15 tickets) Live Telephone Tech Support

VCDS-Mobile is in a Beta Release

System Requirements:
A 1.5 GHZ dual core processor with 1 Gb of RAM and Windows 7 or newer (Windows 7 through 10, but not RT) with an available USB 2.0 (or higher) port. Use a machine robust enough to properly support the operating system. Windows running inside a Virtual Machine (for example on a Mac) is not supported.

For our USA customers, Premium ProKits are shipped Overnight PM – Free Delivery!
On the shipping options of your order, select the ProKit option for the Free shipping in the drop down list.
For other countries, the cost of shipping will be displayed as the order is completed. International orders ship by FedEx Priority Service only. Duties, taxes and other fees are the responsibility of the buyer.

VCDS® Professional Kit


The system for the busy VW/Audi repair shop
With our new wireless HEX-NET interface, this kit includes everything the busy shop needs to turn any Windows® PC into a powerful diagnostic tool for VW, Audi, Seat, or Skoda automobiles. Our Pro-Kits include a handy carrying case with:

  1. HEX-NET Pro Wifi & USB Interface
  2. USB Flash Drive w/VCDS program
  3. USB Wire
  4. Right Angle OBD-II DLC extension
  5. full color printed manual
  6. (1 year/15 Tickets) Live Telephone Tech Support

System Requirements:
A 1.5 GHZ dual core processor with 1 Gb of RAM and Windows 7 or newer (Windows 7 through 10, but not RT) with an available USB 2.0 (or higher) port. Use a machine robust enough to properly support the operating system. Windows running inside a Virtual Machine (for example on a Mac) is not supported.

For US customers, ProKits are shipped FedEx 2nd Day Free!

VCDS® with HEX-NET® Professional- WiFi & USB Interface

Unlimited VIN version – Unrestricted number of cars – VAG models 1995 to current*

The HEX-NET Pro WiFi Interface communicates with VCDS by wireless WiFi or by wired USB, turning a Windows® PC into a factory level diagnostic tool for VW, Audi, Seat or Skoda automobiles. Also, at no additional cost, embedded in the HEX-NET is our new VCDS-Mobile® software which enables most smart devices with WiFi and a web browser to perform VCDS like diagnostics on non-PC devices.

Compatible with:

  • Microsoft Windows® versions from XP through the current Windows 10
  • Apple iPad®, iPhone®, etc.
  • Most Android® phones and tablets
  • Blackberry Z10®, Q10®, etc.
  • Microsoft Surface® & Windows Phone®
  • KindleFire®, etc.

Features:

  • Plugs directly into 1996 through current model year cars; works with all diagnostic-capable VW/Audi cars, even the latest models which require a direct CAN connection and use the UDS/ODX protocol.
  • Acts as a “dongle” — Activation for the full-function version of VCDS and for VCDS-Mobile is built in. Use the HEX-NET with VCDS on a Windows PC or with VCDS-Mobile on almost any smart device, no activation codes required.
  • Functions like a factory diagnostic tool – Function Chart
  • Includes vehicle diagnosis support via our forum.

* Does not include Crafter or Routan

This system does *NOT* include vehicle diagnosis support via the telephone. Live telephone technical support for vehicle diagnosis is available separately. One year of such support is included with any of our Pro-Kits.

System Requirements:
Before you purchase this product, please read the HEX-NET FAQ and the VCDS-Mobile FAQ so that you understand this product, what’s required to use it, and what its limitations are. We will not be amused if you buy it and then complain that you weren’t aware of something that’s in those FAQs!

Product Support:

The HEX-NET is fully supported via e-mail or over the phone as a USB interface for VCDS.
Support for WiFi configuration and VCDS-Mobile are provided via our Support Forum, in English only.
If you are unwilling or unable to participate in our forum in English, you should not buy this product from Ross-Tech. Contact the local distributor in your own language. Alternative language distributors are listed in the menu bar in the left hand column of this page. All other distributors are listed on our Distributors List.
Register for the Ross-Tech Support Forum today. You may use your order number instead of an interface serial number to become a ‘Verified Member’.

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