Jeep Grand Cherokee 4XE 2022 — technical service bulletin
Bulletin 0820922 · NHTSA communication 10230536 · issued Nov 5, 2022
Technical service bulletin
communication type
Electrical System
component
2022
model years
3
vehicle entries
Official summary
Radio Over The Air 24.18 to S26.18 Software Version Updates
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.