Jeep Grand Cherokee 2021 — technical service bulletin
Bulletin 0811021 · NHTSA communication 10230247 · issued Jul 1, 2021
Technical service bulletin
communication type
Equipment
component
2021
model years
1
vehicle entries
Official summary
Radio Enhancements This bulletin involves inspecting the software level and updating the software if needed. The software will be updated to R17.83. Customers may experience one or more of the following: Ticking noise coming from audio. Rear temperature bar on rear climate page disappears. Apple Carplay® not connecting to iPhone®. App crashes. Temperature and slider bars missing on comfort screen. Selectable tire fill assist does not reflect unit change if unit is changed in settings
Vehicles covered
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.