RAM 2500 2019–2020 — technical service bulletin
Bulletin 1806020 · NHTSA communication 10221866 · issued Aug 7, 2020
Technical service bulletin
communication type
Electrical System
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 in the high pressure fuel injection pumps between the new style Symetrical Cam design pump and the old syle Asymetrical Cam design used on the 6.7L Cummins in the 2019 and 2020 HD Trucks. 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.