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Service bulletins for the 2021 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.

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

By type

By component

By trouble code

Bulletins, newest first
90043752022-10-17. Service bulletin. BACK OVER PREVENTION; EQUIPMENT:ELECTRICAL:INFOTAINMENT. RADIO, MULTI Media (ASSY) The customers may have concerns of backup camera missing gridlines or showing black screen with "check entire surroundings" message while in Reverse mode. It is a backup camera initialization timing issue. Please check the backup camera and connections. This issue is recoverable with a key cycle. Replacing the radio head unit will not resolve the customer's concerns. FOTA service software release is scheduled for later June, 2021.
90043742022-10-17. Service bulletin. WHEELS. NUT, Wheel Flange Wheel Nut Service Torque should be 190 N-M.
09004212022-10-17. Service bulletin. ENGINE AND ENGINE COOLING. 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.
08088212022-10-17. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. 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
0807621REVA2022-10-17. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL. 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.
08082212022-10-17. Service bulletin. 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.
08076212022-10-17. Service bulletin. ELECTRICAL SYSTEM. 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.
08072212022-10-17. Service bulletin. VISIBILITY:POWER WINDOW DEVICES AND CONTROLS. 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.
Y172022-10-17. Service bulletin. POWER TRAIN. Customer Satisfaction Notification Y17 Transmission Software Update
749122022-10-17. Service bulletin. FUEL SYSTEM, GASOLINE. Fast Feedback Program - 6.7L Cummins Engine - 2019 - 2022 HD Ram & Fuel Injection Pump - All Models (Rev. G)
S2108000127REVA2022-10-17. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio Reboot Continually
S21210000102022-10-17. Service bulletin. BACK OVER PREVENTION. Service 4WD Lamp On, 4WD System Does Not Work, 4WD Service Lamp Flashing, Front Axle Disconnect Does Not Engage Or Disengage
S21080001272022-10-17. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio Reboot Continually
S21080001202022-10-17. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio Volume Uncontrollable Or Changing On Its Own
S21080000982022-10-17. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio Screen Freeze, Blank Screen And Reset
9004374RevA2022-10-17. Service bulletin. WHEELS. NUT, Wheel Flange Wheel Nut Service Torque should be 175 N-M.
90043752022-10-17. Service bulletin. BACK OVER PREVENTION. RADIO, MULTI Media (ASSY) The customers may have concerns of backup camera missing gridlines or showing black screen with "check entire surroundings" message while in Reverse mode. It is a backup camera initialization timing issue. Please check the backup camera and connections. This issue is recoverable with a key cycle. Replacing the radio head unit will not resolve the customer's concerns. FOTA service software release is scheduled for later June, 2021.
90043742022-10-17. Service bulletin. WHEELS. NUT, Wheel Flange Wheel Nut Service Torque should be 190 N-M.
822942022-10-17. 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)
S22080000802022-10-17. Service bulletin. ELECTRICAL SYSTEM. Ambient Air Temperature Missing, MIL Lamp On, DTC P0070-15 Ambient Air Temperature Sensor Circuit-Circuit Short to Battery or Open; P0073 Ambient Air Temperature Sensor Circuit High
S22080000732022-10-17. Service bulletin. POWER TRAIN. No Start, After Flash And Or PCM Replace, DTC P0513 Invalid Skim Key Setting
S22080000112022-10-17. Service bulletin. EQUIPMENT:ELECTRICAL. Wireless Qi Charger Not Charging
S17080001182022-10-17. Service bulletin. EQUIPMENT:ELECTRICAL. Battery Drain Concern, Dual USB Port Normal Operational Draw, Extended Illumination Or Extended Operation After Key Off
S22080000682022-10-17. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT:VIDEO (TOUCH)SCREEN/MONITOR/UNIT. ?Device Not Supported? Message on the radio screen
S22090000022022-10-17. Service bulletin. ENGINE. Customer complaints may include abnormal engine noise, rough idle, lack of power, misfire. When performing diagnosis, an internal engine concern may be suspected.

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