I suspect that specifically the reinstall of the packages as the kernel modules were likely not loaded because they weren't available (are kernel modules for those packages installed based on the kernels installed and available? That would explain the breakage and the fix).
yay -S tuxedo-keyboard-ite-dkms tuxedo-keyboard-dkms tuxedo-control-center-bin
Just here to leave a solution.
After upgrade to kernel 6.1 TCC stopped offering me fan and processor control which meant a huge loss in performance.
Going through the install instructions here once more and rebooting seems to have resolved the issue:
https://www.tuxedocomputers.com/en/Arch-Linux-and-Manjaro-on-TUXEDO-computers.tuxedo#
I suspect that specifically the reinstall of the packages as the kernel modules were likely not loaded because they weren't available (are kernel modules for those packages installed based on the kernels installed and available? That would explain the breakage and the fix).
After a reboot everything worked again.
Happy debugging!