Flash: Transmission Control Module (TCM) Updates The customer must describe one or more of the following:...
Ram technical service bulletin 21-011-25 REV. A for 2025 Ram 1500.
- Bulletin number
- 21-011-25 REV. A
- Component
- Power train
- Summary
- Flash: Transmission Control Module (TCM) Updates The customer must describe one or more of the following: ● No perceptible change when drive mode is selected. ● Harsh or unstable launches in slippery or off-road conditions. ● Drive mode operating in incorrect drivetrain configurations. ● Bump or jerk felt during Engine Start/Stop (ESS) operation in normal and snow modes. ● Bump during tip-in downshift while in Normal or Sport modes. ● Transmission shifting concerns when vehicle has less than 1500 miles (2414 Km). ● Driveability concerns and not holding correct gear during downgrade, snow mode and accelerator tip-out maneuvers This bulletin involves reprogramming the TCM with the latest available software.
Owners of these vehicles have filed 52 complaints in the transmission category.
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