Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the...
Ram technical service bulletin 21-002-21 for 2019 Ram 3500.
- Bulletin number
- 21-002-21
- Component
- Power train
- Summary
- Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. The customer may notice one or more of the following:Poor shift quality. Shift or gear hunting. A harsh 2-1 shift. Hesitation in up-shifts and/or down-shifts. Shudder and/or clunk when shifting into gear. The following software enhancements are available:Stored faults can only be cleared by a diagnostic scan tool, this software will allow the TCM to self clear. 2-1 coast down-shift improvements. 1-2/2-3/3-4/4-5 and 5-6 shift improvements.
Owners of these vehicles have filed 18 complaints in the transmission category.
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