WenmarOpen by Wenmar Pro

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.

By type

By component

By trouble code

By topic

Bulletins, newest first
S20250000072022-09-26. Service bulletin. EXTERIOR LIGHTING. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Code (DTC) P218F ? Reductant No Flow Detected set.
S21080001702022-09-26. Service bulletin. PARKING BRAKE. Head unit button stuck DTC code B14DA-2A
S21080001692022-09-26. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio Display Abnormality
S17230000012022-09-26. Service bulletin. VISIBILITY. Left Hand Drivers Side Mirror Takes Longer to Defrost Or Clear Than Right Side Passenger
S21080001632022-09-26. Service bulletin. ELECTRICAL SYSTEM. No Start, Cannot Complete Module Replace, Proxi Or Module Proxi Configuration
S21090000042022-09-26. Service bulletin. ENGINE AND ENGINE COOLING. Issue involves overheating, running hot, coolant leaks and related symptoms after a Mopar replacement engine has been installed in the vehicle.
S21210000102022-09-26. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. Service 4WD Lamp On, 4WD System Does Not Work, 4WD Service Lamp Flashing, Front Axle Disconnect Does Not Engage Or Disengage
S228A000004RevB2022-09-26. Service bulletin. BACK OVER PREVENTION. Panasonic VP4R Wi-Fi New Enrollment Pause
S228A000004RevA2022-09-26. Service bulletin. EQUIPMENT:ELECTRICAL. Panasonic VP4R Wi-Fi New Enrollment Pause
90044702022-09-26. Service bulletin. TRAILER HITCHES; ELECTRICAL SYSTEM:WIRING. CONNECTOR/WIRING, Trailer Tow If the connector or wiring is physically damaged, burned, melted or corroded, prior to replacing the part, please contact FCA Redacted Content If no response in 15 minutes, proceed with repair. Please send pictures of the failed part to FCA Redacted Content
90044392022-09-26. Service bulletin. ENGINE AND ENGINE COOLING. FILTER, Air Filter (Cummins Engine) For all 2019 MY and newer 6.7L Cummins equipped vehicles, please use filter pn# 53034051A$ For all 2018 MY and older 6.7L Cummins equipped vehicles, and 2019 MY and newer non 6.7L equipped vehicles, please use pn# 68517554A$ Service Catalog reflects these usages.
18054212022-09-26. Service bulletin. FUEL SYSTEM, DIESEL:DELIVERY:FUEL PUMP. 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.
S2014000002RevB2022-09-26. Service bulletin. FUEL SYSTEM, GASOLINE. Metal Or Other Debris Contamination In The High Pressure Fuel System. Star Parts Restriction Process
S1723000001RevD2022-09-26. Service bulletin. VISIBILITY. Left Hand Drivers Side Mirror Takes Longer to Defrost Or Clear Than Right Side Passenger
S1809000007RevC2022-09-26. Service bulletin. ENGINE AND ENGINE COOLING. Customer Complaint May Include Engine Oil Leak Or Consumption
S2008000151RevA2022-09-26. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT. Outside Air Temperature Displayed On Cluster Or Radio Are Inaccurate
S2008000059RevB2022-09-26. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT. Error Code 20 Message On the Radio Screen
S2008000059RevA2022-09-26. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT. Error Code 20 Message On the Radio Screen
S2108000098RevB2022-09-26. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT. Radio Screen Freeze, Blank Screen And Reset
90043862022-09-26. Service bulletin. ELECTRICAL SYSTEM:WIRING. WIRING, Body Before replacing this harness, please contact FCA Redacted Content to see if a repair kit is available for your application. If no response in 15 minutes, proceed with repair. Please email pictures of harness defects to FCA Redacted Content
08061212022-09-26. Service bulletin. LANE DEPARTURE; ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SOFTWARE; BACK OVER PREVENTION; TRAILER HITCHES; ELECTRICAL SYSTEM. Flash: Parktronics (PTS) Enhancements This bulletin involves reprogramming the PTS module with the latest software available. Customers may experience one or more of the following:False front object detection warning when a trailer is connected to the vehicle. Chime sounds when backing away from an object in front of the vehicle. Park assist system latches off when a trailer or snow plow is disconnected during the same key cycle. The system disabled message will still be displayed and the system will be turned off until a new key cycle.
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.
S21080000982022-09-26. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Radio Screen Freeze, Blank Screen And Reset
S21180000052022-09-26. Service bulletin. ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE. Malfunction Indicator Lamp (MIL) Illumination. Fuel Injector Circuit Open DTC Additional Diagnostics.
S21240000032022-09-26. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. A/C Performance Not As Hot/Cold On Driver Side - DTC's B11CB-92, B11CB-11

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