Hello,
It sounds like the radio receiver has gone out. but to be sure lets check for power at the Module 6 and Multimedia 1 fuses. here is a guide to help as and the fuse location with the radio wiring as well so you can see how the system works:
https://www.2carpros.com/articles/how-to-check-a-car-fuse
Check out the diagrams (below). Please let us know what you find. We are interested to see what it is.
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Saturday, March 9th, 2019 AT 3:15 PM