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How to Install and Use VAG-COM KKL 409.1 USB Interface
VAG-COM KKL 409.1 is a USB interface that allows you to connect your PC to your car's diagnostic system. It can be used with various software applications, such as VCDS Lite, to read and clear fault codes, view live data, perform basic settings and more.
In this article, we will show you how to install the drivers for VAG-COM KKL 409.1 USB interface and how to use it with VCDS Lite software.
Installing the Drivers for VAG-COM KKL 409.1 USB Interface
To install the drivers for VAG-COM KKL 409.1 USB interface, follow these steps:
Download the drivers from this link.[^1^]
Unzip the contents of the downloaded file into a new folder.
Plug in your VAG-COM KKL 409.1 USB interface into a USB port on your PC.
Open Device Manager on your PC and find the device named \"USB Serial Port\" under \"Ports (COM & LPT)\".
Right-click on the device and select \"Update Driver\".
Select \"Browse my computer for driver software\".
Select \"Let me pick from a list of available drivers on my computer\".
Select \"Have Disk\" and browse to the folder where you unzipped the drivers.
Select the file named \"ftdiport.inf\" and click \"Open\".
Click \"OK\" and then \"Next\".
Wait for the installation to complete and click \"Finish\".
Open Device Manager again and find the device named \"USB Serial Port\" under \"Ports (COM & LPT)\".
Right-click on the device and select \"Properties\".
Click on the \"Advanced\" tab and make sure that \"Load VCP\" is checked.
Click \"OK\" and disconnect and reconnect your VAG-COM KKL 409.1 USB interface.
Note down the COM port number assigned to your device (e.g. COM3).
Using VAG-COM KKL 409.1 USB Interface with VCDS Lite Software
To use VAG-COM KKL 409.1 USB interface with VCDS Lite software, follow these steps:
Download VCDS Lite software from this link.
Install VCDS Lite software on your PC.
Run VCDS Lite software and click on \"Options\".
Select the COM port number that matches your VAG-COM KKL 409.1 USB interface (e.g. COM3).
Click \"Test\" and make sure that the interface is detected and working.
Click \"Save\" and then \"OK\".
Plug your VAG-COM KKL 409.1 USB interface into your car's OBD-II port (usually located under the dashboard).
Turn on your car's ignition (but do not start the engine).
Select a control module from the list on VCDS Lite software (e.g. Engine, Airbag, ABS, etc.).
Click on \"Fault Codes\" to read and clear any error codes stored in the module.
Click on \"Measuring Blocks\" to view live data from various sensors and actuators.
Click on \"Basic Settings\" to perform some adjustments and tests (e.g. Throttle Body Alignment, EGR Valve Test, etc.).
Note: Some features of VCDS Lite software are only available if you register it with a valid license key. You can purchase a license key from this link ec8f644aee