RAM 2500 2019 — technical service bulletin
Bulletin 2103419 · NHTSA communication 10220112 · issued Nov 28, 2019
Technical service bulletin
communication type
Electrical System
component
2019
model years
2
vehicle entries
Official summary
Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. The following software enhancements are available:Harsh garage shift engagements in to either reverse or drive resulting in excessive shift bump. While in hill descent control, utilizing Electronic Range Select (ERS) buttons to modulate speed, the ERS buttons give a lower or higher gear than required/desired. Under light to medium brake maneuvers on flat ground, customer complains of harsh 4-3 (lines up to with ECO mode transition).
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.