Flash: Powertrain Control Module (PCM) Updates
Ram technical service bulletin 18-020-20 for 2020 Ram 1500.
- Bulletin number
- 18-020-20
- Component
- Power train
- Summary
- Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customer may experience one or more of the following:Hesitation upon Engine Stop Start (ESS) autostart. Hesitation upon light acceleration below 20 MPH. Hesitation when accelerating while warming up, with coolant temperature below 60 ºC (140 ºF).
Owners of these vehicles have filed 63 complaints in the transmission category.
Vehicles covered
VIN decoder
See the problems and recalls for an exact car
Buying a used Ram 1500?
Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.
Check its history