Stopped focusing some lenses not others

My d810 suddenly stopped auto-focusing with some of my lenses but not others. It auto-focuses with my 16-35mm f4, and my 200-500mm f5.6 but not my 85mm f1.8 or my 35mm f2. It previously worked with all my lenses. I have no idea. ty....

Clean the contacts.

Are the 85 and 35 both screwdrive? Could be the drive gear in the camera body needs to be addressed. If not, best to clean the contacts, as 480sparky mentioned.