Change the "COM Port Number" to an unused slot between .
Windows will verify and install the FTDI USB Serial Converter driver.
bcdedit /set testsigning on
For a comprehensive guide with screenshots, refer to the Total Car Diagnostics knowledgebase. Share public link
VAG-COM 409.1/VCDS-Lite requires the cable to be on a low COM port number (usually COM 1, 2, 3, or 4). In Device Manager, expand . vag kkl 409.1 driver windows 10 64 bit
Depending on your chip, you need CH340 or FTDI drivers. VCDS-Lite or similar software (e.g., VAG-COM 409.1). 2. Identifying Your Cable's Chipset Before installing, you must know what is inside the cable.
The CH340 driver is generally signed, so no signature disabling is needed on recent Windows 10 builds. Change the "COM Port Number" to an unused slot between
Windows 10 does not natively recognize older VAG KKL 409.1 interfaces (used for VCDS Lite, VAG-COM, or diagnostic software like FTDI-based cables). Drivers must be installed manually.
: The budget option. Requires completely different drivers and is highly sensitive to Windows 10 update overrides. Share public link VAG-COM 409
There are two main chipsets used in these cables: