This comprehensive guide provides step-by-step instructions on how to install the Vag-com Kkl 409.1 Obd2 Usb Cable Driver on Windows for use with VCDS software. Successfully installing this driver is crucial for diagnosing and troubleshooting issues in your Volkswagen, Audi, Seat, or Skoda vehicle.
Installing the VAG-COM KKL 409.1 Driver
Important: Do not connect the cable to your computer until instructed.
Step 1: Download the Driver Pack
Begin by downloading the appropriate VAG-COM driver pack. We recommend trying VAG-COM Driver Pack 1 first. If that fails, proceed to Driver Pack 2, as outlined in the troubleshooting section.
Step 2: Installation Process for Windows Vista, 7, 8, 8.1, and 10
- Uncompress the downloaded Driver Pack 1 file.
- Locate and double-click the “Install.exe” file to initiate the driver installation process.
- Once the installation completes, connect the VAG-COM KKL 409.1 cable to an available USB port on your computer.
- Windows should automatically detect and install the necessary drivers.
Step 3: Installation Process for Windows XP
- Uncompress the downloaded Driver Pack 1 file.
- Double-click “Install.exe” to begin the installation.
- Connect the cable to your computer’s USB port. The “Found New Hardware Wizard” will appear.
- Select “Yes” when asked if Windows can connect to Windows Update to search for software.
- Choose “Install the software automatically.”
- Click “Finish” after the first driver installation completes.
- Repeat steps 3-6 for the second driver, as the VAG-COM KKL 409.1 cable requires two drivers.
Troubleshooting Driver Installation Issues
If the initial driver installation fails, try the following:
Alternative Driver Pack: Download VAG-COM Driver Pack 2. Unextract the files.
Manual Driver Installation:
- Connect the cable to your computer.
- Open Device Manager (Control Panel > System > Device Manager or Control Panel > System > Hardware > Device Manager for Windows XP).
- Locate the “USB Serial Port” under “Other devices” or “Ports (COM & LPT)”. It may have a yellow exclamation mark indicating a driver issue.
- Right-click on “USB Serial Port” and select “Update Driver Software.”
- Direct Windows to the folder where you extracted Driver Pack 2.
Identifying and Configuring the COM Port
Step 1: Find the COM Port Number
- Open Device Manager.
- Expand “Ports (COM & LPT)” or “Other devices” to find the “USB Serial Port” entry associated with the VAG-COM KKL 409.1 cable.
- Note the COM port number assigned to it (e.g., COM3, COM4).
Step 2: Adjust the COM Port Number (If Necessary)
If the assigned COM port number is higher than 4, you must change it to a number between 1 and 4 for compatibility with VCDS-Lite.
- Right-click on “USB Serial Port” and select “Properties.”
- Go to “Port Settings” and then “Advanced.”
- Under “COM Port Number,” select a number between 1 and 4 from the dropdown menu.
- Click “OK” to save the changes.
Testing the Installation
Step 1: Launch VCDS-Lite
Open the VCDS-Lite software on your computer.
Step 2: Select the Correct COM Port
- In VCDS-Lite, click “Options.”
- Choose the COM port number you identified or configured in the previous steps from the “Select COM Port” dropdown menu.
Step 3: Test the Connection
- Click the “Test” button. A successful connection will display “Interface Status: Found!”.
- If the test is successful, connect the cable to your car’s OBD2 port, turn on the ignition, and begin diagnosing.
Further Troubleshooting
If the test fails, review these common issues:
- Conflicting Software: Other programs using the same COM port can cause conflicts. Close any unnecessary applications.
- CAN-BUS Incompatibility: The VAG-COM 409.1 KKL cable does not work with vehicles using the CAN-BUS system (generally models after 2004).
- Ignition: Ensure your vehicle’s ignition is ON.
- Baud Rate: In VCDS-Lite Options, try adjusting the “Start Baud” to 9600, 4800, or 1200. Cycle the ignition OFF and ON after each attempt.
- Software Conflicts: Uninstall any previous versions of VCDS software and delete the “C:Ross-Tech” directory before reinstalling VCDS-Lite. You can download the latest version of VCDS-Lite from here.
- Unsupported Vehicles: This cable primarily supports Audi, Volkswagen, Skoda, and Seat vehicles. Other brands might only work for generic OBD-II functions.
