Chrysler 300 2018–2020 — technical service bulletin
Bulletin 0809921 · NHTSA communication 10212486 · issued Jun 19, 2021
Technical service bulletin
communication type
Electrical System
component
2018–2020
model years
21
vehicle entries
Official summary
UAQ and UCQ Radio Enhancements This bulletin involves inspecting and if required, updating the radio software level to 39.5 Customers may experience one or more of the following: Intermittent, black radio display screen. Intermittent, radio freezes. Bluetooth® pairing and/or connection issues. Lost radio presets. Radio channels change by itself. SXM icon inoperative. In addition, the following enhancement are included in this update:Enables map updates.
Vehicles covered
- 2018 Chrysler 300
- 2019 Chrysler 300
- 2020 Chrysler 300
- 2018 Dodge Challenger
- 2019 Dodge Challenger
- 2020 Dodge Challenger
- 2018 Dodge Charger
- 2019 Dodge Charger
- 2020 Dodge Charger
- 2018 Dodge Durango
- 2019 Dodge Durango
- 2020 Dodge Durango
- 2019 Jeep Cherokee
- 2020 Jeep Cherokee
- 2018 Jeep Compass
- 2019 Jeep Compass
- 2020 Jeep Compass
- 2018 Jeep Grand Cherokee
- 2018 Jeep Renegade
- 2019 Jeep Renegade
- 2020 Jeep Renegade
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.