Flash: 8HP70 Transmission Shift Quality And Drivability Enhancements This bulletin involves reprogramming...
Ram technical service bulletin 21-014-15 for 2015 Ram 1500.
- Bulletin number
- 21-014-15
- Component
- Power train
- Summary
- Flash: 8HP70 Transmission Shift Quality And Drivability Enhancements This bulletin involves reprogramming the Transmission Control Module (TCM) with the latest available software A small number of customers may experience one or more of the following conditions. ? Bump sensation during tip-in acceleration between 5-10 mph (8-16 kph). ? Less than desired transmission performance during Torque Converter Clutch (TCC) lockup. ? Less than desired transmission performance in Tow/Haul mode. ? Less than desired transmission performance during coast down deceleration at higher altitudes. ? Bump sensation during 6-5 downshift. ? Bump sensation during 1-2 upshift.
Owners of these vehicles have filed 227 complaints in the transmission category.
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