Jeep Grand Cherokee 2021–2022 — technical service bulletin
Bulletin 0819422 · NHTSA communication 10227755 · issued Oct 25, 2022
Technical service bulletin
communication type
Equipment
component
2021–2022
model years
9
vehicle entries
Official summary
Radio VIN Lock This bulletin involves performing a VIN Lock procedure. Customers may describe one or more of the following: Connected features are inoperable. Radio not receiving Firmware Over The Air (FOTA) updates.
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.