Flash: Transmission Control Module (TCM) Updates
Dodge technical service bulletin 21-021-20 for 2020 Dodge Durango.
- Bulletin number
- 21-021-20
- 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 the following condition:A loud whistle noise upon engine start up. Rough and/or erratic shifting between gears during normal drive cycles.
Owners of these vehicles have filed 3 complaints in the transmission category.
Vehicles covered
- Dodge Durango 2020 2020
VIN decoder
See the problems and recalls for an exact car
Buying a used Dodge Durango?
Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.
Check its history