Jeep Grand Wagoneer 2023 — technical service bulletin
Bulletin S238A000053 · NHTSA communication 10248864 · issued Nov 8, 2023
Technical service bulletin
communication type
Equipment
component
2023
model years
2
vehicle entries
Official summary
Subwoofer Buzz, Rattle, Noisy Or Loose
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.