Chrysler 300 2017–2018 — technical service bulletin
Bulletin S2208000070 · NHTSA communication 10212299 · issued Mar 10, 2022
Technical service bulletin
communication type
Equipment
component
2017–2018
model years
4
vehicle entries
Official summary
Connectivity Lost After Radio Replacement (Incorrect year "2020" on final document)
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.