Jeep Grand Cherokee 2021–2023 — technical service bulletin
Bulletin S2323000046 · NHTSA communication 10240993 · issued Jun 2, 2023
Technical service bulletin
communication type
Structure
component
2021–2023
model years
3
vehicle entries
Official summary
Noise From Headliner While Driving On Rough Roads.
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.