RAM 2500 2019–2023 — technical service bulletin
Bulletin 85507 · NHTSA communication 10229517 · issued Aug 17, 2022
Technical service bulletin
communication type
Fuel System, Gasoline
component
2019–2023
model years
20
vehicle entries
Official summary
Warranty Bulletin D-19-02 Fast Feedback Program - 6.7L Cummins Engine & Fuel Injection Pump - 2019 - 2023 HD Ram ? All Models (Rev. J)
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.