RAM 2500 2019–2022 — technical service bulletin
Bulletin 74912 · NHTSA communication 10223473 · issued May 26, 2021
Technical service bulletin
communication type
Fuel System, Gasoline
component
2019–2022
model years
12
vehicle entries
Official summary
Fast Feedback Program - 6.7L Cummins Engine - 2019 - 2022 HD Ram & Fuel Injection Pump - All Models (Rev. G)
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.