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Service bulletins for the 2019 Ram 4500

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

603 on file from NHTSA, as of 2026-10-19.

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By component

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Only bulletins with component: Fuel system are shown. Show all

Bulletins, newest first
18034212022-09-26. Service bulletin. ENGINE AND ENGINE COOLING; FUEL SYSTEM, DIESEL. P203E and P203F Additional Diagnostic Information This bulletin provides additional information regarding diagnosing Diesel Exhaust Fluid (DEF) issue in extreme cold weather. Diagnostic Trouble Codes (DTCs) P203E - Reductant Level Sensor 1 Circuit Intermittent and/or P203F - Reductant Level Too Low set.
S21180000052022-09-26. Service bulletin. ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE. Malfunction Indicator Lamp (MIL) Illumination. Fuel Injector Circuit Open DTC Additional Diagnostics.
S2014000002RevA2022-09-26. Service bulletin. FUEL/PROPULSION SYSTEM. Metal Or Other Debris Contamination In The High Pressure Fuel System. Parts Ordering, And Repair Process Information.
18056222022-09-26. Service bulletin. ELECTRICAL SYSTEM; ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); FUEL SYSTEM, GASOLINE; FUEL SYSTEM, DIESEL; SERVICE BRAKES, HYDRAULIC; ENGINE AND ENGINE COOLING. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the Engine Control Module/Powertrain ControlModule (ECM/PCM) with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or moreof the following DTCs have been set: P0506-00 - Idle Control System Rpm - Lower Than Expected. P0607-00 - ECU Internal Performance. P20E8-00 - Reductant Pressure Too Low. P0301-00 - Cylinder 1 Misfire(Sym Cam only). P0302-00 - Cylinder 2 Misfire(Sym Cam only). P0303-00 Cylinder 3 Misfire(Sym Cam only). P0304-00 - Cylinder 4 Misfire(Sym Cam only). P0305-00 - Cylinder 5 Misfire(Sym Cam only). P0306-00 - Cylinder 6 Misfire(Sym Cam only). P0299-00 - Turbocharger Underboost. P1D73-00 - AGS Performance. P0626 - Generator Field Control Circuit High. P218F - Reductant No Flow Detected. P2002 - Diesel Particulate Filter Efficiency Below Threshold. P24A5 - EGR Cooler Bypass Bank 1 Control Stuck. P0191 - Fuel Rail Pressure Sensor Circuit Performance. P0461 - Fuel Level Sensor 1 Performance. P0401 - EGR System Performance. P20EE - NOx Catalyst Efficiency Below Threshold. P061A - Level 2 Torque Performance. P061B - Internal Control Module Torque Calculation Performance. P061E - Internal Control Module Brake Signal Performance. P062C - Etc Level 2 MPH Performance. P0106 - Manifold Absolute Pressure Sensor Performance (In extreme cold ambienttemperatures). P0116 - Engine Coolant Temperature Sensor Performance. P0420 - Catalyst System Efficiency Bank 1. P1507 - Crankcase Filter Restriction. P20E8 - (Diesel Exhaust Fluid) Reductant Pressure Too Low. P203F - (Diesel Exhaust Fluid) Reductant Level Too Low. P226C - Turbocharger Boost Control ?A? Slow Response (In extreme cold ambienttemperatures). P2579 - Turbocharger Speed Sensor Circuit. U0101 - Lost Communication with TCM. U02A3 - Lost of Communication with PM Sensor. U3017 - Control Module Timer/Clock Performan
822942022-09-26. Service bulletin. FUEL SYSTEM, GASOLINE. Warranty Bulletin D-19-02 Fast Feedback Program - 6.7L Cummins Engine & Fuel Injection Pump - 2019 - 2022 HD Ram - All Models (Rev. I)
18011212022-09-26. Service bulletin. SERVICE BRAKES; ELECTRICAL SYSTEM; ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); ENGINE AND ENGINE COOLING; FUEL SYSTEM, DIESEL; EXTERIOR LIGHTING; FUEL SYSTEM, GASOLINE; BACK OVER PREVENTION. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the Engine Control Module/Powertrain Control Module (ECM/PCM) with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following DTCs have been set:P20E8-00 - Reductant Pressure Too Low. P0301-00 - Cylinder 1 Misfire(Sym Cam only). P0302-00 - Cylinder 2 Misfire(Sym Cam only). P0303-00 - Cylinder 3 Misfire(Sym Cam only). P0304-00 - Cylinder 4 Misfire(Sym Cam only). P0305-00 - Cylinder 5 Misfire(Sym Cam only). P0306-00 - Cylinder 6 Misfire(Sym Cam only). P0299-00 - Turbocharger Underboost. P1D73-00 - AGS Performance. P0626 - Generator Field Control Circuit High. P218F - Reductant No Flow Detected. P2002 - Diesel Particulate Filter Efficiency Below Threshold. P24A5 - EGR Cooler Bypass Bank 1 Control Stuck. P0191 - Fuel Rail Pressure Sensor Circuit Performance. P0461 - Fuel Level Sensor 1 Performance. P0401 - EGR System Performance. P20EE - NOx Catalyst Efficiency Below Threshold. P061A - Level 2 Torque Performance. P061B - Internal Control Module Torque Calculation Performance. P061E - Internal Control Module Brake Signal Performance. P062C - Etc Level 2 MPH Performance. P0106 - Manifold Absolute Pressure Sensor Performance (In extreme cold ambient temperatures). P0116 - Engine Coolant Temperature Sensor Performance. P0420 - Catalyst System Efficiency Bank 1. P1507 - Crankcase Filter Restriction. P20E8 - (Diesel Exhaust Fluid) Reductant Pressure Too Low. P203F - (Diesel Exhaust Fluid) Reductant Level Too Low. P226C - Turbocharger Boost Control ?A? Slow Response (In extreme cold ambient temperatures). P2579 - Turbocharger Speed Sensor Circuit. U0101 - Lost Communication with TCM. U02A3 - Lost of Communication with PM Sensor. U3017 - Control Module Timer/Clock Performance. The customer may also notice one or more of the following:Harsh downshift clunk during
S2018000005 Rev.2022-07-18. Service bulletin. BACK OVER PREVENTION; FUEL SYSTEM, GASOLINE; EXTERIOR LIGHTING. Malfunction Indicator Lamp (MIL) Illuminated. Diagnostic Trouble Code (DTC) P046C ? Exhaust Gas Recirculation Temperature Sensor ?A? Circuit Low Set.
14-008-222022-06-27. Service bulletin. ENGINE; FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM. 6.7L Cummins Engine High Pressure Fuel Injection Pump Identification Differences This bulletin provides information regarding the identification differences between the CP4 style high-pressure fuel injection pump, and the new CP3.3 style high-pressure fuel injection pumps installed under the Y78 recall. The following information is intended to eliminate confusion and possible noise complaints shortly after pump replacement or ECM reprogramming.
18-099-222022-06-27. Service bulletin. FUEL SYSTEM, DIESEL:DELIVERY:FUEL PUMP; EXTERIOR LIGHTING; EQUIPMENT; FUEL SYSTEM, DIESEL:FUEL INJECTION SYSTEM:FUEL RAIL. Diesel Fuel Pump Failure and System Contamination This bulletin involves inspecting for fuel pump failure and fuel system contamination. Also fuel system cleaning and fuel system kit replacement. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes (DTCs) have been set: P0087-00 - Fuel Rail Pressure Too Low. P008A-00 - Low Pressure Fuel System Pressure - Too Low. P0201-00 - Fuel Injector 1 Circuit/Open. P0202-00 - Fuel Injector 2 Circuit/Open. P0203-00 - Fuel Injector 3 Circuit/Open. P0204-00 - Fuel Injector 4 Circuit/Open. P0205-00 - Fuel Injector 5 Circuit/Open. P0206-00 - Fuel Injector 6 Circuit/Open. The customer may also notice the following:Engine will not start.
18054212022-05-31. Service bulletin. EQUIPMENT; FUEL SYSTEM, DIESEL. Diesel Fuel Pump Failure and System Contamination This bulletin involves inspecting for fuel pump failure and fuel system contamination. Also fuel system cleaning and fuel system kit replacement. Customers may experience a Malfunction Indicator Lamp MIL illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes DTCs have been set: P0087-00 - Fuel Rail Pressure Too Low. P008A-00 - Low Pressure Fuel System Pressure - Too Low. P0201-00 - Fuel Injector 1 Circuit/Open. P0202-00 - Fuel Injector 2 Circuit/Open. P0203-00 - Fuel Injector 3 Circuit/Open. P0204-00 - Fuel Injector 4 Circuit/Open. P0205-00 - Fuel Injector 5 Circuit/Open. P0206-00 - Fuel Injector 6 Circuit/Open. The customer may also notice the following:Engine will not start.
822942022-05-31. Service bulletin. ENGINE AND ENGINE COOLING; ENGINE; FUEL SYSTEM, GASOLINE. Warranty Bulletin D-19-02 Fast Feedback Program - 6.7L Cummins Engine & Fuel Injection Pump - 2019 - 2022 HD Ram - All Models (Rev. I)
18-034-21 REV. A2021-12-13. Service bulletin. FUEL SYSTEM, GASOLINE; BACK OVER PREVENTION; FUEL SYSTEM, DIESEL. P203E and P203F Additional Diagnostic Information This bulletin provides additional information regarding diagnosing Diesel Exhaust Fluid (DEF) issue in extreme cold weather. Diagnostic Trouble Codes (DTCs) P203E - Reductant Level Sensor 1 Circuit Intermittent and/or P203F - Reductant Level Too Low set.
749122021-06-28. Service bulletin. FUEL SYSTEM, GASOLINE. Fast Feedback Program - 6.7L Cummins Engine - 2019 - 2022 HD Ram & Fuel Injection Pump - All Models (Rev. G)
18-034-212021-05-24. Service bulletin. BACK OVER PREVENTION; FUEL SYSTEM, DIESEL; FUEL SYSTEM, GASOLINE. P203E and P203F Additional Diagnostic Information This bulletin provides additional information regarding diagnosing Diesel Exhaust Fluid (DEF) issue in extreme cold weather. Diagnostic Trouble Codes (DTCs) P203E - Reductant Level Sensor 1 Circuit Intermittent and/or P203F - Reductant Level Too Low set.
S21180000052021-05-24. Service bulletin. EXTERIOR LIGHTING; FUEL SYSTEM, GASOLINE. Malfunction Indicator Lamp (MIL) Illumination. Fuel Injector Circuit Open DTC Additional Diagnostics.
S2014000002 Rev.2021-04-26. Service bulletin. FUEL SYSTEM, GASOLINE. Metal Or Other Debris Contamination In The High Pressure Fuel System. Parts Ordering, And Repair Process Information.
703272020-12-28. Service bulletin. FUEL SYSTEM, GASOLINE. Warranty Bulletin D-19-02 Fast Feedback Program - 6.7L Cummins Engine - 2019 & 2020 HD Ram & Fuel Injection Pump - All Models (Rev. F)
703272020-12-21. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE. Warranty Bulletin D-19-02 Fast Feedback Program - 6.7L Cummins Engine - 2019 & 2020 HD Ram & Fuel Injection Pump - All Models (Rev. F)
18-060-20 REV. A2020-11-30. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; ENGINE; FUEL SYSTEM, GASOLINE. 6.7L Cummins Engine High Pressure Fuel Injection Pump Identification Differences This bulletin provides information regarding the identification differences in the high pressure fuel injection pumps between the new style Symetrical Cam design pump and the old syle Asymetrical Cam design used on the 6.7L Cummins in the 2019 and 2020 HD Trucks. The following information is intended to eliminate confusion and possible noise complaints shortly after pump replacement or ECMreprogramming.
S1918000003 Rev.2020-11-30. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM; ENGINE. Revision A: Intermittent Engine Buck, Surge, or Misfire.
S20140000022020-10-26. Service bulletin. FUEL/PROPULSION SYSTEM. Metal Or Other Debris Contamination In The High Pressure Fuel System. Parts Ordering, And Repair Process Information.
S20080001442020-10-26. Service bulletin. FUEL SYSTEM, GASOLINE. External Fuel Pump Relay Kit Now Available
18-060-202020-09-28. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM; ELECTRICAL SYSTEM:SOFTWARE; ENGINE. 6.7L Cummins Engine High Pressure Fuel Injection Pump Identification Differences This bulletin provides information regarding the identification differences in the high pressure fuel injection pumps between the new style Symetrical Cam design pump and the old syle Asymetrical Cam design used on the 6.7L Cummins in the 2019 and 2020 HD Trucks. The following information is intended to eliminate confusion and possible noise complaints shortly after pump replacement or ECM reprogramming.
90042762020-09-28. Service bulletin. ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM; ENGINE. PUMP, Fuel Injection This part requires a unique calibration to be programmed into the Engine Control Module (ECM). Failure to program the ECM with the correct calibration after installation of this pump will create an undesireable noise characteristic from the pump. Please be sure to follow all normally published Service Bulletins, and Service Information for the latest installation instructions, and programming steps.
D-19-02 Rev. E2020-07-27. Service bulletin. ELECTRICAL SYSTEM; FUEL SYSTEM, DIESEL. Fast Feedback Program - 6.7L Cummins Engine - 2019 & 2020 HD Ram & 6.7L Cummins Diesel Engine Control Module (ECM) - 2018 Ram- All Models (Rev. E)

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.