Jeep Cherokee 2016 — technical service bulletin
Bulletin U90 · NHTSA communication 10221461 · issued Jun 16, 2022
Technical service bulletin
communication type
Engine and Engine Cooling
component
2016
model years
1
vehicle entries
Official summary
Emissions Recall U90 catalyst Efficiency
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.