Flash: Powertrain Control Module (PCM) Updates
Ram technical service bulletin 18-062-20 for 2020 Ram 1500.
- Bulletin number
- 18-062-20
- Component
- Electrical system
- Summary
- Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. The customer may comment on one or more of the following: ECO light does not come on the cluster during Multiple Displacement System (MDS). 2-3 kph (1.3-1.9 mph) difference between cruise set speed and the actual vehicle speed.
Owners of these vehicles have filed 167 complaints in the electrical category.
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