Now, launch VCDS Lite. It will ask you for a cable test. Go to (the wrench icon) > Test . You should see:
| Problem | Solution | |--------|----------| | Code 10 (device cannot start) | Reinstall driver with signature enforcement disabled | | No connection to car | Check KKL cable has soldered pins 7+8? (Some clones miss them) | | Random disconnects | Set latency to 1 ms; use USB 2.0 port (not USB 3.0) | | Works on old laptop but not on Windows 10 | Try older driver (FTDI: 2.08.14 / CH340: 3.4.2019) | how to install vag kkl 4091 on windows 10
The following software is required for the installation: Now, launch VCDS Lite
: For better connection stability, many users recommend setting the "Latency Timer" in the same Advanced settings menu to 1 . 3. Software Setup and Testing You should see: | Problem | Solution |