Flash: Transmission Control Module (TCM) Updates Customers may experience one or more of the following: ●...
Ram technical service bulletin 21-044-26 for 2026 Ram 1500.
- Bulletin number
- 21-044-26
- Component
- Power train
- Summary
- Flash: Transmission Control Module (TCM) Updates Customers may experience one or more of the following: ● 3-2 shift coastdown bumps when coming to a stop. ● 3-2 shift coastdown tip-in bumps when coming to a stop and applying the accelerator pedal before coming to a complete stop. ● Poor upshift quality while driving normally This bulletin involves reprogramming the TCM with the latest available software.
Owners of these vehicles have filed 11 complaints in the transmission category.
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