Its USB-C connector sits on a replacement daughterboard; rear wide, ultrawide and telephoto cameras have a separate guide.
What to check before buying
Charging
The USB-C board is distinct from the battery. iFixit's port guide also notes that a clogged socket can mimic a failed part.
Rear cameras
The guide addresses the wide, ultrawide and telephoto modules separately or together. The Plus uses different assemblies from the standard S25.