RAM 2500 2019 — technical service bulletin
Bulletin VB6 · NHTSA communication 10221462 · issued Jun 22, 2022
Technical service bulletin
communication type
Fuel System, Gasoline
component
2019
model years
1
vehicle entries
Official summary
Emissions Recall VB6 Diesel Engine Calibration (The final document states Revision 3 which is an error and should state Revision 4)
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.