Jeep Gladiator 2018–2021 — technical service bulletin
Bulletin S2123000048 · NHTSA communication 10212450 · issued Jun 15, 2021
Technical service bulletin
communication type
Back Over Prevention
component
2018–2021
model years
6
vehicle entries
Official summary
Wind Whistle Noise From A Pillar Area At Highway Speed
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.