I tried doing my update over the air on Tuesday. Got a black screen that says error 20 contact the dealer. I took it to a dealer yesterday. They tried to manually update it but didn't work. Now I need a new radio. I have a 2019 with 8.4c w/Nav. The radio keeps displaying that message and...
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.