To change the com port double click the usb to serial device.
Ross tech cable driver.
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 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.
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.
When driver installation is complete disconnect cable from computer.
Click here for instructions for older versions of windows.
3 right click on this device with the yellow mark update driver software.
Usb 1 1 or 2 0 intelligent with on board microprocessor.
It should look like this.
Download the current version of vcds.
Acts as a dongle.
Usb driver installation instructions for windows vista for all ross tech usb interfaces with a current version of vcds note.
Then you can start at step 4 in the instructions below.
Usb connector plugs into most modern laptops.
These instructions are for windows vista only.
You want to right click on it again as you did to update the driver but this time select properties.
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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.
If it s there right click it and then select update driver.
Click for larger picture.
When you get below message choose install this driver software anyway.
Download and install vag com kkl 409 1 drivers.
Ross tech will ship worldwide but systems bought directly from us are licensed for the english version only.
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Virtual com port drivers for ross tech usb interfaces.
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.
