Jeep Grand Cherokee 2021–2023 — technical service bulletin
Bulletin 08-228-24 · NHTSA communication 11010251 · issued Nov 1, 2024
Technical service bulletin
communication type
Electrical System
component
2021–2023
model years
7
vehicle entries
Official summary
"R1H Radio T27.38 USB Software Update Customers may experience one or more of the following: ● Uconnect phone improvements. ● Incorrect Navigation units shown. ● Navigation feature shows no road name with a straight road at times when not setting up a navigation route. ● Missing radio stations. ● Accessibility settings are missing. ● Incorrect phone widget. ● Radio freezes. ● The Hybrid/EV screen display is blank when the user switches to the dark mode theme. ● Hybrid/EV pages are inoperative. ● Radio display is off when starting the vehicle. The display will restore to normal operation after
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.