Flash: Transmission Control Module (TCM) Updates
Ram technical service bulletin 21-034-19 for 2019 Ram 2500 and 2019 Ram 3500.
- Bulletin number
- 21-034-19
- 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:Coast-down downshift improvements for 4-3 and 3-2. Garage shift delay improvements. Wide Open Throttle (WOT) in tow/haul mode. Corrects hill descent and Electronic Range Select (ERS) interaction.
Owners of these vehicles have filed 50 complaints in the electrical category.
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