RAM 3500 2018 — technical service bulletin
Bulletin 2104319 · NHTSA communication 10220114 · issued Nov 28, 2019
Technical service bulletin
communication type
Power Train
component
2018
model years
1
vehicle entries
Official summary
Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. The customer may notice a harsh 2-3 and 3-4 shift. The following software enhancements are available:2-3 and/or 3-4 shift improvements.
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.