RAM Promaster 2014–2021 — technical service bulletin
Bulletin S1823000037 · NHTSA communication 10230053 · issued May 21, 2021
Technical service bulletin
communication type
Power Train
component
2014–2021
model years
8
vehicle entries
Official summary
Outside Power Folding Mirror Shakes Vibrates Or Is 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.