RAM 2500 2019–2020 — technical service bulletin
Bulletin 9004276 · NHTSA communication 10221782 · issued Aug 12, 2020
Technical service bulletin
communication type
Fuel System, Gasoline
component
2019–2020
model years
8
vehicle entries
Official summary
PUMP, Fuel Injection This part requires a unique calibration to be programmed into the Engine Control Module (ECM). Failure to program the ECM with the correct calibration after installation of this pump will create an undesireable noise characteristic from the pump. Please be sure to follow all normally published Service Bulletins, and Service Information for the latest installation instructions, and programming steps.
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.