RAM 2500 2019–2020 — technical service bulletin
Bulletin 14-008-22 · NHTSA communication 10214632 · issued May 24, 2022
Technical service bulletin
communication type
Fuel System, Gasoline
component
2019–2020
model years
8
vehicle entries
Official summary
6.7L Cummins Engine High Pressure Fuel Injection Pump Identification Differences This bulletin provides information regarding the identification differences between the CP4 style high-pressure fuel injection pump, and the new CP3.3 style high-pressure fuel injection pumps installed under the Y78 recall. The following information is intended to eliminate confusion and possible noise complaints shortly after pump replacement or ECM reprogramming.
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.