Jeep Cherokee 2021 — technical service bulletin
Bulletin S2123000030 · NHTSA communication 10223252 · issued May 10, 2021
Technical service bulletin
communication type
Structure
component
2021
model years
1
vehicle entries
Official summary
Lumbar Adjustment Not Working
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.