RAM 3500 2021–2022 — technical service bulletin
Bulletin 88076 · NHTSA communication 10229774 · issued Dec 14, 2022
Technical service bulletin
communication type
Fuel System, Gasoline
component
2021–2022
model years
4
vehicle entries
Official summary
Warranty Bulletin D-22-16 (X97 Diesel Particulate Filter (DPF) - Select 2021 - 2022 Ram 3500 Cab Chassis (DD) and 2021 - 2022 Ram 4500/5500 Cab Chassis (DP)
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.