Is the Interface Dispenser Assembly (WR55X11092) critical for a GE Profile Refrigerator?

[bigbuck1]

I guess you look under the left fresh food door hinge on the top of the door as there maybe a connection there?

31-9215.pdf (1.9 MB)

31-51810-2 GE PFSS5RKZASS Refrigerator Mini Manual.pdf (167.4 KB)