Flash: Powertrain Control Module (PCM) Updates
Ram technical service bulletin 1809022 for 2020 Ram 3500.
- Bulletin number
- 1809022
- Component
- Electrical system
- Summary
- Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. The customer may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following DiagnosticTrouble Code (DTC) has been set: P1404 - EGR Position Sensor Rationality Closed. In addition, customers may experience one or more of the following concerns: In Power Take-Off (PTO) mode, transmission gear engagement is abrupt and idle speedis high when transitioning From Park To Drive/Reverse Gear.
Owners of these vehicles have filed 9 complaints in the electrical category.
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