RAM 1500 2018–2020 — technical service bulletin
Bulletin 1400122 · NHTSA communication 10222984 · issued Jan 15, 2022
Technical service bulletin
communication type
Fuel System, Gasoline
component
2018–2020
model years
3
vehicle entries
Official summary
Hard To Fill With Fuel This bulletin involves replacing the fuel tank. Customers may experience one or more of the following:Hard, difficult, or unable to fill the fuel tank. Fuel nozzle shuts off prematurely before the fuel tank is full. Fuel spits or spills out while filling the fuel tank.
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.