This allowed those old serial interfaces to be compatible with a wide variety of third party applications which expect a k line pass through serial interface.
Ross tech cable driver.
Virtual com port drivers for ross tech usb interfaces.
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When you get below message choose install this driver software anyway.
Download the current version of vcds.
Click here for instructions for older versions of windows.
Older ross tech rs 232 serial interfaces can be set to power up as dumb k line pass through interfaces.
Acts as a dongle.
Ross tech will ship worldwide but systems bought directly from us are licensed for the english version only.
3 right click on this device with the yellow mark update driver software.
Ross tech vcds software only can choose com1 com2 com3 and com4 if the usb to serial device is not with one of first 4 com ports then you need to change the com port to one of them.
Your ross tech usb interface should be under universal serial bus usb controllers or under other devices.
Software activation not required when used with this interface vag com is always fully functional on any pc that meets our requirements.
When finished you can close the window and the cable should be listed in device manager with the same name as the driver you just installed ross tech direct usb interface with vcp.
For that reason we recommend to get the complete vag com 2020 cable with original unlocked and full version of vcds software from ross tech by clicking here.
4 choose browse computer for driver software.
If it s there right click it and then select update driver.
When driver installation is complete disconnect cable from computer.
Click for larger picture.
Usb connector plugs into most modern laptops.
Then you can start at step 4 in the instructions below.
Usb 1 1 or 2 0 intelligent with on board microprocessor.
If you want vcds in one of the above languages.
It should look like this.
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Download and install vag com kkl 409 1 drivers.
To change the com port double click the usb to serial device.