Good Luck with the Dealer. We have the same fridge. Our ice maker went out. It was fixed easily. But Frigidaire had to do it. We had to talk to a few supervisors before it got worked out, but it did. Nothing got nasty, just took a while, the, "regulars" that answer for service can't help you.
The repair man that came out, Lucky for us it turns out based on your post, knew what he was doing. He brought multiple parts, asked me a few questions and he breathed a sigh of relief when he heard me say the water is working.
He said if the pump goes out, you have to pull the entire fridge. It takes two people were his exact words. He said he'd done it before and was glad he didn't have to with ours. He said Frigidaire is the party responsible, not the dealer.
2015 Georgetown Forest River 351DS MH
2008 Keystone Cougar 293SAB 5th Wheel
2007 Jay Flight 30.5RLS 5th Wheel
2006 Jay Flight 29BHS TT