RAM 2500 2021 — technical service bulletin
Bulletin 1400321 · NHTSA communication 10223347 · issued May 14, 2021
Technical service bulletin
communication type
Fuel System, Gasoline
component
2021
model years
1
vehicle entries
Official summary
Fuel Smell and Fuel Leak This bulletin involves replacing the fuel pump module. Customers may experience the following: Fuel leak or fuel smell. This minor leak is coming from the fuel pump feed port.
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.