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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
S22230000582022-10-31. Service bulletin. STRUCTURE:BODY:TAILGATE; STRUCTURE. Water Leak At Upper D-pillar Or Liftgate Area
S228A0000172022-10-31. Service bulletin. ELECTRICAL SYSTEM. Battery Drain Suspected or "Identified" From USB or Media Hub
91000212022-10-31. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:CRANK/CAMSHAFT POSITION SENSOR; UNKNOWN OR OTHER. Seal, Crankshaft Oil, Rear,Retainer, Crankshaft Oil Seal US dealers only: If you are replacing the rear main seal due to an oil leak, do NOT remove the seal from the retainer. Replace the seal and retainer (pn# 05086755A$) as a complete unit. Engineering needs to obtain the seals and retainers back for analysis without them having been disassembled. Once repairs are complete, please contact FCA Redacted Content to return the parts.
31001222022-10-31. Service bulletin. STRUCTURE:INTERIOR PANELS:DOOR; STRUCTURE; UNKNOWN OR OTHER. Approved Use of Weld Through Primers This bulletin documents the FCA US LLC position regarding the use of weld through primer when using Squeeze Type Resistance Spot Welding (STRSW) and Gas Metal Arc Welding (GMAW) processes when welding steel body panels and structural components.
1400522REVB2022-10-31. Service bulletin. FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY:FILLER PIPE AND CAP; FUEL SYSTEM, GASOLINE; EXTERIOR LIGHTING. Updated Fuel Filler Cap This bulletin involves updating the fuel filler cap with improved version. 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: P0455 - EVAP System Large Leak. P0456 - EVAP System Small Leak. P04EC - EVAP System Large Leak Detected - Fuel Tank Side. P04EE - EVAP System Very Small Leak Detected - Fuel Tank Side.
855072022-10-31. Service bulletin. FUEL SYSTEM, GASOLINE. Warranty Bulletin D-19-02 Fast Feedback Program - 6.7L Cummins Engine & Fuel Injection Pump - 2019 - 2023 HD Ram ? All Models (Rev. J)
S22230000632022-10-31. Service bulletin. EQUIPMENT:ELECTRICAL. Ambient Temperature Sensor Servicing.
S2208000080RevA2022-10-31. Service bulletin. ELECTRICAL SYSTEM. Ambient Air Temperature Missing, Malfunction Indicator Lamp (MIL) Lamp On, Diagnostic Trouble Code (DTC) P0070-15 Ambient Air Temperature Sensor Circuit-Circuit Short to Battery or Open, P0073 Ambient Air Temperature Sensor Circuit High
S22230000582022-10-31. Service bulletin. STRUCTURE:BODY:HATCHBACK/LIFTGATE; STRUCTURE. Water Leak At Upper D-pillar Or Liftgate Area
S228A0000172022-10-31. Service bulletin. ELECTRICAL SYSTEM. Battery Drain Suspected or "Identified" From USB or Media Hub
91000212022-10-31. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:CRANK/CAMSHAFT POSITION SENSOR. Seal, Crankshaft Oil, Rear,Retainer, Crankshaft Oil Seal US dealers only: If you are replacing the rear main seal due to an oil leak, do NOT remove the seal from the retainer. Replace the seal and retainer (pn# 05086755A$) as a complete unit. Engineering needs to obtain the seals and retainers back for analysis without them having been disassembled. Once repairs are complete, please contact FCA Redacted Content to return the parts.
S20080001862022-10-17. Service bulletin. ELECTRICAL SYSTEM. Engine Control Module (ECM) Flash Failure, Diagnostic Trouble Code (DTC) U1601 ? ECU Application Software Code 1 Missing Or Corrupted
S20080001722022-10-17. Service bulletin. ELECTRICAL SYSTEM. Radio Screen Flickering When Using Apple CarPlay Or Android Auto.
S2118000001RevB2022-10-17. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Code (DTC) P0471 ? Exhaust Pressure Sensor 1 Performance, Set.
749122022-10-17. Service bulletin. FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP; 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. UNKNOWN OR OTHER. Radio Reboot Continually
S21230000412022-10-17. Service bulletin. VISIBILITY:SUN/MOON ROOF ASSEMBLY. Wind Or Whistle Noise From Sunroof And Or Rear Cab
S21210000102022-10-17. 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
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
S21080001092022-10-17. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER. Remote Key Fobs Only Work In Close Range
S21210000082022-10-17. Service bulletin. ELECTRICAL SYSTEM. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Codes (DTCs) P0756 ? UD Solenoid Circuit, and/or P0755 ? 2C Solenoid Circuit, Set.
90043832022-10-17. Service bulletin. SUSPENSION:FRONT:SPRINGS:TORSION BAR. TORSION ROD, Storage Bin (Rambox) If the Rambox storage bin Torsion Rods are being replaced for the lid not opening issue, replace the complete Rambox Bin and Lid assembly with all of the sub components instead of just replacing the Torsion Rods only. Please ship the complete Rambox Bin and Lid assembly without dis-assembling the lid or hinges to QEC. Please contact FCA Redacted Content to set up the part return to QEC. If no response in 15 minutes, proceed with repair.
90043802022-10-17. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION. SOLENOID, Transmission 2020 and 2021MY D2&DJ Before swapping the solenoid module on a repeatable P0755 or P0765, please ensure to download event data and send to contact copied below. This event data will assist with the root cause analysis of the module. Contact: FCA Redacted Content

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