Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the...
Ram technical service bulletin 21-034-19 REV. A for 2019 Ram 2500 and 2019 Ram 3500.
- Bulletin number
- 21-034-19 REV. A
- Component
- Electrical system
- 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).
Owners of these vehicles have filed 50 complaints in the electrical category.
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