Jeep Grand Cherokee 2018–2020 — technical service bulletin
Bulletin 0900120REVA · NHTSA communication 10221861 · issued Aug 5, 2020
Technical service bulletin
communication type
Engine and Engine Cooling
component
2018–2020
model years
3
vehicle entries
Official summary
Oil Filter Upgrade This bulletin involves replacing the existing engine oil filter with an upgraded version. This action is a proactive product improvement which adds enhanced filtration and flow performance for the upgraded filter.
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.