RAM Promaster 2014–2021 — technical service bulletin
Bulletin 0300222 · NHTSA communication 10229112 · issued Mar 1, 2022
Technical service bulletin
communication type
Power Train
component
2014–2021
model years
8
vehicle entries
Official summary
Outer Half Shaft Boot Replacement
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.