RAM 2500 2019–2021 — technical service bulletin
Bulletin S2123000041 · NHTSA communication 10223303 · issued May 27, 2021
Technical service bulletin
communication type
Back Over Prevention
component
2019–2021
model years
6
vehicle entries
Official summary
Wind Or Whistle Noise From Sunroof And Or Rear Cab
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.