WenmarOpen by Wenmar Pro

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
14-003-212021-06-28. 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.
08-076-212021-06-28. 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.
08-072-212021-06-28. Service bulletin. 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.
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)
S2108000127 Rev.2021-06-28. Service bulletin. EQUIPMENT. Radio Reboot Continually
S21230000412021-06-28. Service bulletin. VISIBILITY. Wind Or Whistle Noise From Sunroof And Or Rear Cab
S21210000102021-06-28. Service bulletin. SUSPENSION. Service 4WD Lamp On, 4WD System Does Not Work, 4WD Service Lamp Flashing, Front Axle Disconnect Does Not Engage Or Disengage
S21080001272021-06-28. Service bulletin. EQUIPMENT. Radio Reboot Continually
S21080001202021-06-28. Service bulletin. EQUIPMENT. Radio Volume Uncontrollable Or Changing On Its Own
S2108000098 Rev.2021-06-28. Service bulletin. EQUIPMENT. Radio Screen Freeze, Blank Screen And Reset
S21080001092021-06-28. Service bulletin. ELECTRICAL SYSTEM. Remote Key Fobs Only Work In Close Range
S21210000082021-06-28. Service bulletin. ELECTRICAL SYSTEM. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Codes (DTCs) P0756 ? UD Solenoid Circuit, and/or P0755 ? 2C Solenoid Circuit, Set.
90043832021-06-28. Service bulletin. EQUIPMENT. 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.
90043802021-06-28. Service bulletin. POWER TRAIN. 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
90043752021-06-28. 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.
23-017-212021-05-24. Service bulletin. POWER TRAIN. Updated Power Side Step Diagnosis And Testing Procedure This bulletin is to communicate that the power side step diagnosis and testing procedure has been updated in service information.
08-052-21 REV. A2021-05-24. Service bulletin. SEAT BELTS; ELECTRICAL SYSTEM. Flash: Radio Frequency Hub Module (RF-HUB) Updates This bulletin involves reprogramming the RF-HUB with the latest software available. The customer may experience the following:The key fob won't unlock the doors while the vehicle is running and after a remote start.
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.
S21080000982021-05-24. Service bulletin. EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS. Radio Screen Freeze, Blank Screen And Reset
S21240000032021-05-24. Service bulletin. AIR BAGS. A/C Performance Not As Hot/Cold On Driver Side - DTC's B11CB-92, B11CB-11
S1924000019 Rev.2021-05-24. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:PRESSURE/TEMPERATURE SENSOR. Customer Indicates That Temperature Varies From Side To Side Being Colder On One Side Compared To The Other.
S2008000113 Rev.2021-05-24. Service bulletin. POWER TRAIN. No Start Intermittently, Vehicle Requires Multiple Keyless Push To Start Attempts To Start Vehicle, Intermittent Key Not Detected Message
S21080000932021-05-24. Service bulletin. BACK OVER PREVENTION:DISPLAY FUNCTION; EQUIPMENT. Apple CarPlay Does Not Work Or Not Connecting
S1917000002 Rev.2021-05-24. Service bulletin. ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); ELECTRICAL SYSTEM; SUSPENSION. ASCM U0132 Loss Of Communication With Suspension Control Module (IPC) DTC
S1823000029 Rev.2021-05-24. Service bulletin. STRUCTURE. Water Leak Carpet Wet At Front And Or Rear Seats

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