Strange Electric Window Behaviour - Passenger & Rear Windows Respond Incorrectly

Hello everyone,

I am having a strange problem with the electric windows in my Skoda Fabia Mk1 (specifically the 2006 model with 4 electric windows) and would appreciate some advice.

Here is what happens when using the switches on the driver's door:

1. When I open the front passenger's window, both rear windows close simultaneously.

2. When I close the front passenger's window, both rear windows open simultaneously.

3. I can not control either of the two rear windows. The switches don't seem to have any effect. They also feel feather light without any weight to them.

The front passenger's window switch works perfectly, it opens and closes the window normally.

As for the rear switches, their individual door switches can open the windows but they can not close them.

I have already tried replacing the front driver's window motor twice, as a mechanic told me he was about 90% sure that it was the culprit. However, after replacing it, something even stranger happened: I could only open and close the front passenger's window using the driver's window switch. None of the other windows responded to the driver's switch at all.

I haven't checked the wiring yet and, so I'm wondering whether damaged or crossed wires could be responsible.

Another thing that might be worth mentioning is that the driver's window switch isn't genuine. I believe the other switches may be aftermarket as well but I also tried a genuine driver's switch and the problem remained the same.

Has anyone experienced or come across anything similar?

Could this be a wiring issue, a problem with the comfort control module, incorrect switch wiring, or something else entirely?

I'm running out of ideas, so any suggestions or advice would be greatly appreciated!

Thank you!