| Setting | Value | |---------|-------| | Interface type | Serial (RS-232) (not USB) | | COM port | Same as assigned above (e.g., COM1) | | Baud rate | 9600 (default for KKL) | | Latency timer | 1 ms (critical for reliable comms) |
To set latency:
Device Manager → Ports → Cable properties → Advanced → Latency Timer → Set to 1 how to install vag kkl 4091 on windows 10
Important assumption: you have a genuine VAG KKL 409.1 OBD-II USB cable and a Windows 10 PC. | Setting | Value | |---------|-------| | Interface