Jeep Compass 2021–2022 — technical service bulletin
Bulletin 2400423 · NHTSA communication 10239999 · issued May 2, 2023
Technical service bulletin
communication type
Visibility
component
2021–2022
model years
4
vehicle entries
Official summary
A musty odor or bad smell when operating the A/C system.
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.