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I have a 2016 with the base SYNC 1.1 system and a standard AM/FM radio. I upgraded to an HD radio. I did not activate the SAT radio. Here are the basic steps. This upgrade is rare because most people want SYNC 3 and they upgrade to that technology. I don’t need SYNC 3 but I wanted HD radio after I upgraded my audio system. You only need to change a few settings. The changes outlined below assume you do NOT have SAT radio (this should be true because you could not buy only HD radio w/o SAT). 1. Find a used HD radio (the unit is the ACM, audio control module). They are common and it appears the 2014 to 2017(maybe later) TCs used the exact same units. The firmware in the HD radios did not change so don’t worry about buying a unit from an older or newer model year TC. Old standard ACM part number: DT1T-19C107-AF New HD/SAT radio ACM: DT1T-19C107-CE through CJ 2. Use Forscan to change the as-built data in the ACM to delete SAT radio and add HD radio. 727-01-01 7000 2C00…… change to: F000 2C00 3. Change the APIM configuration to add HD radio and no SAT radio. 7D0-01-01 11A7 8840…….change to: 11A4 F840 4. Change the FCDIM configuration. 7A5-01-01 0222 0008…..change to: 0222 0009 Old ACM, non-HD New HD ACM

I just found this video showing how to remove the radio, and it looks easy even for me. I think I'll give this a shot to see if I can identify the parts. Thanks for all the advice, it's EXTREMELY helpful!