Remove the THB_C cable and try this: SSDT-TB3 Z270.aml
Remember though, the method without THB_C works only if a device is connected and turned on before boot, otherwise the PCI-TB card is not loaded by the system (and you do not see it on ioreg). In my case it works because my TB Dock is always on.
To succeed try these steps:
1- enable Fix Shutdown in Clover
2- turn off the computer
3- Connect the TB device and switch it on
4- wait few seconds and turn on the computer
Obviously if you do not have a dock like me you have two choices:
- Use the SSDT V1 or V2 and deactivate the sleep if you are having problems
- Wait for new developments
@Loloflat6 Apart this bad luck, you're still lucky, the TBEX is the only TB card (at least until now) that is recognized naturally by the system even without a THB_C cable o device connected at boot
Sound is greyed, no devices is syspref. There are some assertions in console, not sure if they were before.
Sysinfo now doesn't have line line-in which is OK, it is maybe connected to dock.