I took mine in on a friday and they had it repaired and ready for pick up by Tuesday, It was the same thing that everyone else said (something about brake diaphragm something something)
Good luck!
Just bought a 2021 bronco badlands and literally driving home from the dealership my check system brake came on, it comes on about 20 mins into my highway commute everyday but I don’t notice any brake failures. I’m going to make an appointment and hope it goes quickly. I don’t have a spare...