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Service bulletins for the 2021 Ram 2500

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.

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

By type

By component

By trouble code

By topic

Bulletins, newest first
91000082023-01-17. Service bulletin. ELECTRICAL SYSTEM. Telematic box module 2
S2118000001RevB2023-01-17. Service bulletin. EXTERIOR LIGHTING; SERVICE BRAKES, HYDRAULIC; BACK OVER PREVENTION. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Code (DTC) P0471 ? Exhaust Pressure Sensor 1 Performance, Set.
23023212023-01-17. Service bulletin. STRUCTURE. Tonneau Cover Broken Strap This bulletin involves repairing broken tri-fold tonneau cover retention straps. Customers may comment on the following: One or more of the tri-fold tonneau cover retention straps have torn off the frame assembly
S21090000092023-01-17. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION. 2019-Current 6.7L Engine Oil Supply Information
S21090000062023-01-17. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:SEALS/GASKETS. Oil Leak From The Oil Pan Gasket.
S21180000122023-01-17. Service bulletin. EXTERIOR LIGHTING. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Code (DTC) P0607 ? ECU Internal Performance, Set.
S21230000552023-01-17. Service bulletin. ENGINE; SERVICE BRAKES. HD Truck Brake Pedal Feel On Gas Engine Equipped
S20250000072023-01-17. Service bulletin. EXTERIOR LIGHTING. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Code (DTC) P218F ? Reductant No Flow Detected set.
S21080001702023-01-17. Service bulletin. PARKING BRAKE. Head unit button stuck DTC code B14DA-2A
S21080001692023-01-17. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio Display Abnormality
S17230000012023-01-17. Service bulletin. VISIBILITY. Left Hand Drivers Side Mirror Takes Longer to Defrost Or Clear Than Right Side Passenger
S21080001632023-01-17. Service bulletin. ELECTRICAL SYSTEM. No Start, Cannot Complete Module Replace, Proxi Or Module Proxi Configuration
S21090000042023-01-17. 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.
S21210000102023-01-17. Service bulletin. EQUIPMENT:ELECTRICAL; POWER TRAIN. Service 4WD Lamp On, 4WD System Does Not Work, 4WD Service Lamp Flashing, Front Axle Disconnect Does Not Engage Or Disengage
09004212023-01-17. Service bulletin. EQUIPMENT; EXTERIOR LIGHTING. Oil Control Valve Connector Not Seated This bulletin involves inspecting the oil control valve connector and possibly seating the connector. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code (DTC) has been set: P0013 - Bank 1 Camshaft 2 Position Actuator Circuit Open.
140032122023-01-17. Service bulletin. FUEL SYSTEM, GASOLINE. Fuel Smell and Fuel Leak This bulletin involves replacing the fuel pump module. Customers may experience the following: Fuel leak or fuel smell. This minor leak is coming from the fuel pump feed port.
08088212023-01-17. Service bulletin. POWER TRAIN. Radio Enhancements This bulletin involves updating the radio software level to 2036.06. Customers may experience the following:Product plan UUID is not correct in Carplay®. Carplay audio does not always resume. Battery save vs. Battery Charge toggles back to Battery Charge after sleep cycle. When ?Charge Now? is selected on key-off outside of the charging schedule ? it does nothing. In addition, the following enhancements are included:Update power supply source from 1 amp to 2.1 amps. GOOGLE® certification enhancements - screen flickers
0807621-12023-01-17. Service bulletin. BACK OVER PREVENTION. Flash: Amplifier (AMP) Diagnostic and System Updates This bulletin involves reprogramming the AMP with the latest available software. The following software enhancement is available:Amplifier update to eliminate static noise from the instrument panel mounted speakers.
14003212023-01-17. Service bulletin. FUEL SYSTEM, GASOLINE. Fuel Smell and Fuel Leak This bulletin involves replacing the fuel pump module. Customers may experience the following: Fuel leak or fuel smell. This minor leak is coming from the fuel pump feed port.
08082212023-01-17. Service bulletin. STRUCTURE; ELECTRICAL SYSTEM. Flash: Body Control Module (BCM) Diagnostic and System Improvements This bulletin involves reprogramming the BCM with the latest available software. The customer may describe the following: The shifter gets stuck in park.
1400321-12023-01-17. Service bulletin. FUEL SYSTEM, GASOLINE. Fuel Smell and Fuel Leak This bulletin involves replacing the fuel pump module. Customers may experience the following: Fuel leak or fuel smell. This minor leak is coming from the fuel pump feed port.
08076212023-01-17. Service bulletin. EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS. Flash: Amplifier (AMP) Diagnostic and System Updates This bulletin involves reprogramming the AMP with the latest available software. The following software enhancement is available: Amplifier update to eliminate static noise from the instrument panel mounted speakers.
08072212023-01-17. Service bulletin. VISIBILITY:POWER WINDOW DEVICES AND CONTROLS; ELECTRICAL SYSTEM. Flash: Driver Door Module (DDM) and Passenger Door Module (PDM) Updates This bulletin involves reprogramming the DDM and PDM with the latest available software. This software is for vehicles on the RRT VIN List is to improve the function and reliability of the power windows operation.
749122023-01-17. Service bulletin. FUEL SYSTEM, GASOLINE. Fast Feedback Program - 6.7L Cummins Engine - 2019 - 2022 HD Ram & Fuel Injection Pump - All Models (Rev. G)
S2108000127-12023-01-17. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio Reboot Continually

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