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Ram TSB #1808822
2020 Ram 4500
TSB Document:
Affected Component: BACK OVER PREVENTION
- 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 one or more of the following DTCs have been set: P1404 - EGR Position Sensor Rationality Closed. P2457 - Exhaust Gas Recirculation Cooling System Performance. P1404 - EGR Position Sensor Rationality Closed DTC can be erroneously set when P2457 - Exhaust Gas Recirculation Cooling System Performance DTC is set.In addition, customers may experience one or more of the following concerns: In Power Take-Off (PTO) mode, transmission gear engagement is abruptand idle speed is high when transitioning From Park To Drive/Reverse Gear.
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