I've seen the same error reported by several people, but the conditions seems different so here is my scenario. Maybe somebody can give a hint.
Occasionally, when I use Chademo then when the charging stops the process somehow fails and I get the 'EV System service required" error. Driving...
Ever since the clocks changed at the end of October, my 2019 Outlander has been starting its nightly charging an hour earlier than it's been programmed for.
The clock is correct, I've tried changing the setting for BST on and off and that makes no difference at all.
I charge from 00:30 to...
Mitsubishi has a great video on how to charge your Outlander PHEV at home and at charging stations. It's a video from the UK so the charging station info is different than in North America. But the home charging is pretty much the same.