Jeep Grand Cherokee 2022–2024 — technical service bulletin
Bulletin 9100220 · NHTSA communication 10247406 · issued Oct 12, 2023
Technical service bulletin
communication type
Power Train
component
2022–2024
model years
6
vehicle entries
Official summary
Pan and Filter, Transmission Oil For WL & JL PHEV transmission leaks inspect for leaks through the transmission case prior to ordering a gasket. Leaks can be caused by possible porosity of transmission case or Oil Cooler Lines. Refer to the latest version of Star Online Publication S2321000005.
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.