Dodge Ram 1500 2009–2021 — technical service bulletin
Bulletin S2123000011 · NHTSA communication 10220561 · issued Feb 20, 2021
Technical service bulletin
communication type
Back Over Prevention
component
2009–2021
model years
13
vehicle entries
Official summary
Rattle Tapping Fluttering Noise From A Pillar Or Dash Driving At Highway Speeds
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.