RAM 3500 2014 — technical service bulletin
Bulletin 21-015-14 · NHTSA communication 10217972 · issued Apr 17, 2014
Technical service bulletin
communication type
Power Train
component
2014
model years
3
vehicle entries
Official summary
Flash: Transmission Shift Enhancements This bulletin involves selectively erasing and reprogramming the Transmission Control Module (TCM) with new software. The customer may indicate that they experience a harsh 2 - 1 downshift.
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.