Jeep Grand Cherokee 2022–2023 — technical service bulletin
Bulletin S2221000004 · NHTSA communication 10227714 · issued Oct 14, 2022
Technical service bulletin
communication type
Fuel System, Diesel
component
2022–2023
model years
2
vehicle entries
Official summary
Harsh Shift During Transition From Electric Vehicle (EV) To Hybrid Engine Mode.
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.