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1. Download Ott-jakob Port Devices Drivers
2. Download Ott-jakob Port Devices Driverpack
3. Download Ott-jakob Port Devices Driver Updater
4. Download Ott-jakob Port Devices Driver Printer

(DO NOT connect cable to your computer yet. Only do this when you're instructed below.)

Start by downloading the VAG-COM Driver Pack 1.

Here's how to install on different Windows versions...

Windows Vista, 7, 8, 8.1, 10:

Uncompress the file. Double-click on 'Install.exe' to install the drivers. When complete — plug in cable into any USB port on your computer and wait for automatic installation to complete.

If install is successful, move onto Step 2.

If installation fails, see below: Troubleshooting: If Drivers Failed To Install

Windows XP:

1. Uncompress the file. Double-click on 'Install.exe' to install the drivers.
2. Plug cable into any computer's USB port.
3. 'Found New Hardware Wizard' will start and it will ask you 'Can Windows connect to Windows Update to search for the software?'. Select 'Yes'.
4. Select 'Install the software automatically'.
5. After the installation is complete, click 'Finish'.
6. 'Found New Hardware Wizard' will start once again because there are two drivers for this cable.
7. Go through the same steps as explained above to install this second driver.

If install is successful, move onto Step 2.

If installation fails, see below: Troubleshooting: If Drivers Failed To Install

Troubleshooting: If Drivers Failed To Install:

Installation failed? Download here VAG-COM Driver Pack 2.

Unextract the file into any folder. Then while your cable is connected to the computer — go Device Manager.

• Windows Vista/7/8/10: Control Panel » System » Device Manager
• Windows XP: Control Panel » System » 'Hardware' tab » Device Manager

You'll see a device similar to 'USB Serial Port' under either 'Other devices' or 'Ports (COM & LPT)'.

Right-click and choose 'Update Driver Software'. Like this:

Then select the location where you unextracted Driver Pack 2. Let it install.

Go to Control Panel.

• Windows Vista/7/8/10: Control Panel » System » Device Manager
• Windows XP: Control Panel » System » 'Hardware' tab » Device Manager

Expand 'Other devices' or 'Ports (COM & LPT)'. Whichever contains 'USB Serial Port'.

Next to 'USB Serial Port' — you'll see a number.

If the COM port number is between 1-4, then everything is fine. Move onto Step 3.

If the COM port number is above 4, then we'll have to change it so it's between 1-4. Here's how...

Download Ott-jakob Port Devices Drivers

Cable should be plugged into computer.

1. Start VCDS-Lite software.
2. Click 'Options' button.
3. You will see 'Select COM Port' box. Select the 'COM Port' number as explained in Step 2.
4. Click the ‘Test’ button.
5. If everything is good, it should display 'Interface Status: Found!'.
6. You can now connect other end of cable to car. Turn on ignition. And you're ready to start diagnosing!

If test is not successful — check the following:

1. Other software or devices using USB ports or that same COM Port could be conflicting. You should uninstall the suspected software or device for troubleshooting this problem.
2. It should be noted that VAG-COM 409.1 KKL cable does not work on vehicles running on CAN-BUS System.
3. Cable must be plugged into the vehicle with ignition ON.
4. Test the cable with each COM Port from 1 to 4 in Windows Device Manager.
5. Make sure that the driver is installed and configured as explained in Step 1.

Download Ott-jakob Port Devices Driverpack

• Only Audi, Volkswagen, Skoda and Seat vehicles are supported. Other brands will only work for generic OBD-II functions.
• If VAG-COM 409.1 KKL cable doesn't connect — or if you get the error message 'Can't Synch Baud Rate' — then go to Options and set Start Baud to 9600. If 9600 doesn't work, try 4800 and 1200. Turn the vehicle's ignition OFF and back ON after each failed attempt to connect.
• If you have installed VCDS software before or from another source, uninstall all versions of VCDS software right now, and delete directory 'C:Ross-Tech'. Then install latest version of VCDS-Lite software by clicking here.

Download Ott-jakob Port Devices Driver Updater

For further information and instructions for troubleshooting, visit the following links:

Download Ott-jakob Port Devices Driver Printer

How to Install & Register VCDS-Lite software That Came With Your VAG-COM 409.1 KKL Cable