my 99 passat has a problem. the power windows wont go down the power locks don’t work same with both mirrors. i replaced the ccm under the drivers seat, i replaced the master switch i checked all the fuses i’m completely stuck.
The commonality with the windows, power locks, and mirrors is that they all rely on the wiring bundle that is found near the hinges of the driver’s door. Carefully open the rubber boot covering the wiring bundle, and you will surely find broken wires.
Do you have access to a scan tool? If you do see if the CCM has any stored codes and if it is getting the signal from the window switch. Besides door harness breaks vw has had issues with electric splices corroding in the interior harness.