Service bulletins for the 2020 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.
730 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
| S2124000017 Rev. | 2021-12-13. Service bulletin. UNKNOWN OR OTHER. Customer Indicates No Air Flow To Rear Seats |
|---|---|
| S2108000267 | 2021-12-13. Service bulletin. EQUIPMENT:ELECTRICAL. SXM Travel Link Weather map doesn't show precipitation properly |
| 08-072-21 | 2021-06-28. 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. |
| 74912 | 2021-06-28. 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 |
| S2123000041 | 2021-06-28. Service bulletin. VISIBILITY. Wind Or Whistle Noise From Sunroof And Or Rear Cab |
| S2121000010 | 2021-06-28. Service bulletin. SUSPENSION. Service 4WD Lamp On, 4WD System Does Not Work, 4WD Service Lamp Flashing, Front Axle Disconnect Does Not Engage Or Disengage |
| S2108000127 | 2021-06-28. Service bulletin. EQUIPMENT. Radio Reboot Continually |
| S2108000120 | 2021-06-28. Service bulletin. EQUIPMENT. Radio Volume Uncontrollable Or Changing On Its Own |
| S2018000007 Rev. | 2021-06-28. Service bulletin. ENGINE AND ENGINE COOLING. Diagnostic Trouble Code (DTC) P0299 ? Turbocharger Underboost Additional Diagnostics |
| S2108000098 Rev. | 2021-06-28. Service bulletin. EQUIPMENT. Radio Screen Freeze, Blank Screen And Reset |
| S2121000009 | 2021-06-28. Service bulletin. POWER TRAIN. Rapid Shifts, High RPMs, 40-50 mph (65-80 kph) Max Speed, Inability to Perform Transmission Quick learn. |
| S2121000008 | 2021-06-28. Service bulletin. ELECTRICAL SYSTEM. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Codes (DTCs) P0756 ? UD Solenoid Circuit, and/or P0755 ? 2C Solenoid Circuit, Set. |
| 9004383 | 2021-06-28. 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. |
| 9004380 | 2021-06-28. 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 |
| 23-017-21 | 2021-05-24. 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. A | 2021-05-24. 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. |
| 08-061-21 | 2021-05-24. Service bulletin. BACK OVER PREVENTION; TRAILER HITCHES; ELECTRICAL SYSTEM; LANE DEPARTURE. 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. |
| 18-034-21 | 2021-05-24. 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. |
| S2108000098 | 2021-05-24. Service bulletin. EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS. Radio Screen Freeze, Blank Screen And Reset |
| S2118000005 | 2021-05-24. Service bulletin. EXTERIOR LIGHTING; FUEL SYSTEM, GASOLINE. Malfunction Indicator Lamp (MIL) Illumination. Fuel Injector Circuit Open DTC Additional Diagnostics. |
| S2124000003 | 2021-05-24. Service bulletin. AIR BAGS. A/C Performance Not As Hot/Cold On Driver Side - DTC's B11CB-92, B11CB-11 |
| S1708000118 Rev. | 2021-05-24. Service bulletin. EQUIPMENT:ELECTRICAL. Battery Drain Concern, Dual USB Port Normal Operational Draw, Extended Illumination After Key Off |
| 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 |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.