10 Feedback Company
from 41 reviews

VW Audi OBD2 KKL USB Interface Cable

The VW Audi KKL is indispensable for any do-it-yourselfer! The KKL cable is intended for "older cars" (note, no CAN-BUS, but only dual K-Line). Suitable for certain cars from the Volkswagen Audi group up to year 2005. See the list of cars further down this page.

The KKL cable is suitable for the protocols listed below:

- ISO9141

Cable length: 154cm
USB KKL 409.1 works in conjunction with VCDS Lite.

Only a KKL cable with drivers is supplied with an installation manual. VCDS Lite uses a license, which you need to purchase yourself through Ross Tech to take advantage of its full functionality.

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VW Audi OBD2 KKL USB Interface Cable
10 Feedback Company
from 41 reviews
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What can you do with the VW Audi KKL OBD interface?

With KKL cable and the VCDS Lite software, you are able to read the older generation (late 90s and early 2000s) vehicles not equipped with CAN bus connection.

You are able to:

  • Access various systems present in your car
  • Reading and erasing error codes
  • Making adjustments
  • Teach in control devices
  • Etc etc etc.
  • Suitable for the following models with KKL/K-Line connection (year of manufacture <2005)
  • Audi: A2 / A3 / A4 Cabriolet / A6 / A8 / S2 / S3 / TT (older generations!)
  • Seat: Alhambra / Altea / Arosa / Cordoba / Ibiza / Inca / Leon MK 1 / Leon MK 2 / Toledo (older generations!)
  • Skoda: Fabia / Felicia / Octavia MK 1 / Octavia MK 2 / Superb (older generations!)
  • VW: Beetle / Bora / Caddy / Corrado / Golf MK2 / Golf MK3 / Golf MK4 / Jetta MK3 / Jetta MK4 / Lupo / Passat MK3 / Passat MK4 / Polo MK3 / Polo MK4 / Touareg / Transporter T3 / Transporter T4 / Transporter T5 (older generations!)

What are the specifications of the KKL cable and VCDS lite software?

The cable and software are suitable for vehicles from the Volkswagen Audi group produced before 2005, which are in possession of a K-line connection. You can download VCDS lite for free. Please note that the free software is limited in use. To use its full capabilities, VCDS Lite must be purchased from Ross Tech.

What will be delivered?

    • KKL interface cabl
    • VCDS Lite demo software and drivers (to use the full capabilities of VCDS Lite, you must register and purchase the software on the Ross tech website)
    • Installation manual

The cable works with the VCDS Lite shareware software, which is also included. If you want to use the extended capabilities of the KKL, you need to register VCDS Lite, or purchase VCDS to be able to read the latest car.

Why buy a KKL with VCDS Lite?

If you own an older generation car from the Volkswagen Audi group and want to save money by tinkering with your car yourself, you can purchase a KKL interface from us. This cable connects your PC or laptop to your car. With the right VCDS lite software, you are able to read out your car, view data and learn control devices. You no longer have to go to the garage to have error codes read, or to learn a throttle body. You can do this yourself with the KKL and VCDS Lite, at a fraction of the price they charge at a garage.

Differences VCDS Lite shareware version and VCDS Lite registered version
Free demo shareware:

  • Cannot do an AutoScan
  • Provides no textual explanation of error codes found
  • No basic settings present (so no throttle body learning, Xenon leveling, or timing on TDIs)
  • Customization not possible (making changes to central locks, window comfort closure/lighting/claxon not possible)

Differences between the registered VCDS Lite compared to the expensive VCDS HEX-NET

  • Cannot read generic OBD2
  • Does not work on cars with CAN-BUS
  • Less large fault code database
  • Limited to use on 1 PC
  • No advanced measuring blocks available
  • No acceleration measurement possible

The manual for the KKL Interface can be found here: Manual KKL Cable

Advantages & drawbacks
  • Inexpensive solution in combination with VCDS Lite for certain cars in the Volkswagen Audi group up to 2005 that communicate via K-Line.
  • Extensive installation manual available
  • Many advanced features
  • Only suitable for certain cars from the Volkswagen Audi group up to year 2005 that do not communicate via CAN protocol
  • Some computer knowledge required to get the interface workable on the computer
Often purchased together with...
Specs summary
  • Manufacturer Audi, Seat, Skoda, Volkswagen
  • Device properties Handheld, Connect to computer
  • Features ABS, Controlling Actuators, Airbag, Erase fault codes, Teach in throttle valve, Parts coding, Interface, Lambda probe / o2 sensors, Live data, Engine diagnostics, Engine management reset, Immobilizer, Calibrate steering angle sensor, Transmission
  • Protocol ISO 9141, J1850 PWM, J1850 VPW, K-Line, KWP-2000, OBD1
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Vcds hex v2 usb


Review by D.V. Shabalin
Ideal if you have your own a...

Ideal if you want to tinker with your car yourself !!!

Review by Adam Krautwurst
Audi A4 Avant 2003 A...

Audi A4 Avant 2003 AVF AWX perfect.

Review by Dries
Product works fine....

Product works fine. Newer drivers are available for product at http://www.wch-ic.com/downloads/CH341SER_EXE.html The VCDS Lite software via provided link no longer works with the latest security updates to Windows 10. It is recommended to install this software in a virtual environment (Virtualbox, VMWare) in conjunction with a windows XP version.

Review by Jlo
Works as it should...

Works as it should for what I use it for

Review by Franklin
Misery in terms of fung...

Misery in terms of functioning on your computer and car.

Review by Karim Abdelli
Works great. Program...

Works fine. Program easy to install.

Review by Victor
Very good and clear...

Very good and clear manual with it

Review by Hendriks
It works with the org...

It works with the original software.

Review by Jelle Maris
Limited functionali...

Limited functionality, there could have been a little more info on that. Otherwise it works immediately.

Review by Thijmen
Convenient if you have a ...

Easy if you have a golf or something and need to remove fault codes

Review by T. Sparreboom
Works well, good kw...

Works well, good quality, reliable and just as good as the more proffesional/more expensive stuff.

Review by anonymous
Good product works g...

Good product works well have now been able to make the adjustments

Review by Jacky De Vries
Works as it should...

Works as it should. No fuss, install and go with it!

Review by Job
Work perfectly under W...

Works perfectly under Windows 10. Comes with included software but you can also just download latest shareware version of VCDS Lite from the Ross Tech site. Clear instructions included. Used for a.o. Lupo and all communication with the car is direct and without problems

Review by Tomas
Works well with vcds ...

Works well with vcds lite and easy to install

Review by Anton de Lugt
Works as it should...

Works as it should and at a competitive price

Review by anonymous
Fulfilled exactly ...

Fulfilled the exact requirement and came with helpful instructions

Review by anonymous
cable works fine ma...

cable works fine but software does not this itself retrieved from internet

Review by anonymous
Solid cable. Moe...

Solid cable. Have yet to use it.

Review by anonymous
Price quality is u...

Price-quality is excellent.

Review by anonymous
this cable does prec...

This cable does exactly what I want,connect to car then to laptop with vcds and read out but(toppie)

Review by anonymous
good enough for me...

good enough for me to read and clear fault codes from engine, transmission and abs and view live data from sensors etc.

Review by Motorpromo
Product works well, ...

Product works well, definitely worth it

Review by Thibaud Pede
Was exactly what I nod...

Was exactly what I needed and the good description on the website allowed me to order it quickly and with assurance that it would work for my car.

Review by anonymous
Good quality kabe...

Good quality cable, clear explanation as to the suitability with which cars it can be used, in this case the VAG engines!

Review by Adriaan
Works perfectly, allee...

Works perfectly, only the included control program does not work on windows 10 this must be downloaded with a detour

Review by anonymous
Not yet tested, at...

Not yet tested, included program did not work just like that on windows 10 but after a detour succeeded

Review by anonymous
This interface cable...

This interface cable works perfectly for my VW Bora. Other cars like Audi, Skoda can also use this interface cable. Heft is wise to check the website to see which models

Review by anonymous
Cheap and does what...

Cheap and does what it needs to do.

Review by Schippers
is now working prim...

works fine by now, don't know if I can control everything with my lupo 3l, like the crawling point of the clutch. some things are also well found on forums

Review by ten hoeve
No experience yet.pr...

no experience yet.problems with downloading.being worked on by a computer service company(patience)