Does reductant pump have a blown fuse

What is your question?

My check engine light came on but recently had bad wiring harness for trailer and it blew some fuses could that have blown a fuce or have anything to do with code P208B reductant pump A performance stuck off and it's a 2017 f450xl 6.7.. but didn't give me that choice

What makes this problem better or worse?

Hauling trailer

How long has your 2017 Ford F-350 Super Duty had this problem?

2weeks