There is only a limited amount of troubleshooting that can be performed on the XBox version of MSFS. Most of the time when the avionic displays go blank or MSFS crashes it is because the XBox has simply run out of resources. You can limit this by closing out of all background apps and games and by also limiting the amount of DLC content (including world updates) installed.
If you need further assistance, create a support request:
https://flightsimulator.zendesk.com/hc/en-us/requests/new