No one has reported opening one up to inspect it's contents. When it does happen, though it is sure to be reported first over at pacificaforums.
http://www.pacificaforums.com/forum/554-2017-pacifica-phev-hybrid-batteries-charging/5289-evse-details.html#post63633
http://www.pacificaforums.com/forum/554-2017-pacifica-phev-hybrid-batteries-charging/5289-evse-details.html#post63633