RAM Promaster 2015–2018 — technical service bulletin
Bulletin 9004286 · NHTSA communication 10220494 · issued Feb 11, 2021
Technical service bulletin
communication type
Engine and Engine Cooling
component
2015–2018
model years
4
vehicle entries
Official summary
Cooling fan module VIN Required when placing Order
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.