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Service bulletins for the 2025 Ram 3500

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.

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

By type

By component

By trouble code

Bulletins, newest first
18-075-25 REV. A2025-10-08. Service bulletin. POWER TRAIN. Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● **P0263 - 00 Cylinder 1 Contribution/balance. ● P0266 - 00 Cylinder 2 Contribution-balance. ● P0269 - 00 Cylinder 3 Contribution/balance. ● P0272 - 00 Cylinder 4 Contribution/balance. ● P0275 - 00 Cylinder 5 Contribution/balance. ● P0278 - 00 Cylinder 6 Contribution/balance. ● P026B - 00 Injection Timing Performance. ● P020A - 00 Cylinder 1 Injection Timing. ● P020B - 00 Cylinder 2 Injection Timing. ● P020C - 00 Cylinder 3 Injection Timing. ● P020D - 00 Cylinder 4 Injection Timing. ● P020E - 00 Cylinder 5 Injection Timing. ● P020F - 00 Cylinder 6 Injection Timing. ● P06B9 - 00 Cylinder 1 Glow Plug Circuit Performance. ● P06BA - 00 Cylinder 2 Glow Plug Circuit Performance. ● P06BB - 00 Cylinder 3 Glow Plug Circuit Performance. ● P06BC - 00 Cylinder 4 Glow Plug Circuit Performance. ● P06BD - 00 Cylinder 5 Glow Plug Circuit Performance. ● P06BE - 00 Cylinder 6 Glow Plug Circuit Performance. ● P0072 - 00 Ambient Air Temperature Sensor Circuit "A" Low. ● P0087 - 00 Fuel Rail Pressure Too Low. ● P2540 - 00 Low Pressure Fuel System Sensor Circuit Range/Performance. ● P2543 - 00 Low Pressure Fuel System Sensor Circuit Intermittent. ● P20EE - 00 SCR NOX Catalyst Efficiency Below Threshold - Bank 1 Catalyst 1. ● P203F - 00 Reductant Level Too Low. ● P2698 - 00 Exhaust Aftertreatment Fuel Injector "A" Performance.** ● P1C54 - 00 SCR NOX Catalyst Missing. ● P056E - 00 Cold Start Turbocharger/Supercharger Boost Control "A" Performance. ● P242F - 00 Diesel Particulate Filter Restriction - Ash Accumulation. ● P1451 - 00 Diesel Particulate Filter System Performance. ● P0234 - 00 Turbocharger Overboost Condition. ● P20E8 - 00 Reductant Pressure Too Low. ● P208B - 00 Reductant Pump 1 Control Performance. Customers may also comment on one or more of the following: ● **Diesel Exhaust Fluid (DEF) level gauge inaccuracy. ● Poor cold start performance. ● Unable to initiate manual Diesel Particulate Filter (DPF) regen through EVIC.** ● Unable to engage Power Take-Off (PTO) in mobile condition while the vehicle is moving, but has no issue engaging PTO while the vehicle is stationary. ● Engine stalls under high PTO loads at high altitudes. ● PTO does not work during the split-shaft mode. ● Engine/Cab shake during engine shutdown. ● PTO light not blinking when PTO disengaged. ● Poor engine starting performance. ● DEF level gauge fluctuations. ● In cold conditions the engine automatically increases idle speed when in Park to help with warm-up. Once warmed up, it returns to normal idle speed. If the engine is cycling in and out of this elevated idle speed condition, the customer could complain that its not behaving properly. ● Poor alternator charging and battery life **This bulletin involves inspecting and possibly reprogramming the PCM with the latest available software.**
1076152025-10-08. Service bulletin. ELECTRICAL SYSTEM. SENSOR - EXHAUST TEMPERATURE
S2508000075 REV.A2025-10-02. Service bulletin. SERVICE BRAKES. Integrated Trailer Brake (ITB) Switch Removal
08-327-252025-10-02. Service bulletin. ELECTRICAL SYSTEM. Security Gateway Module (SGW) Software Update Customers may experience one or more of the following: ● SGW module is not responding to diagnostics and showing offline. ● If message for FOTA apprears, then a manual flash is required for SGW update. ● Diagnostic Trouble Code (DTC) U3033 - 00 Control module security certificate Missing/Invalid is active or stored and cannot clear. This DTC will not turn on the Malfunction Indicator Light (MIL). This bulletin involves flashing the SGW to the latest software level in the case that the FOTA did not function.
08-325-252025-10-02. Service bulletin. ELECTRICAL SYSTEM. Security Gateway Module (SGW) Software Update Customers may experience one or more of the following: ● SGW module is not responding to diagnostics and showing offline. ● If message for FOTA apprears, then a manual flash is required for SGW update. ● Diagnostic Trouble Code (DTC) U3033 - 00 Control module security certificate Missing/Invalid is active or stored and cannot clear. This DTC will not turn on the Malfunction Indicator Light (MIL). This bulletin involves flashing the SGW to the latest software level in the case that the FOTA did not function.
23-008-25 REV. A2025-09-24. Service bulletin. STRUCTURE:BODY. Exterior Front Lamps Condensation Clearing Procedure *Some customers may report that on occasion vehicle exterior front lamps (headlamps, fog lamps, grille lamps, logo lamps or signature lamps) assemblies are fogged with a light layer of condensation on the inside of the lenses*
08-308-252025-09-24. Service bulletin. ELECTRICAL SYSTEM. Flash: Central Vision Advanced Driver Assistance System (CVADAS) Module Update Customers may experience the following: ● When "Push to Center" button is pressed and the trailer is at a large angle, trailer oscillation may occur during trailer reverse steering control. ● The steering wheel may rapidly turn back and forth during the trailer "Push to Center" event. ● An audible beep/tone occurs along with a message in the cluster stating, "Trailer reverse steer control canceled, hands on wheel detected". In addition, the following software enhancement is available: ● Fifth wheel/gooseneck trailer reverse steering control feature added This bulletin involves updating the CVADAS with the latest available software.
21-028-25 REV. B2025-09-24. Service bulletin. ELECTRICAL SYSTEM. Flash: Transmission Control Module (TCM) Updates *Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs):** ● **P0827-00 Up and Down Shift Switch Circuit Low. ● P0826-00 Up and Down Shift Switch Circuit. ● P085F-00 Up and Down Shift Switch Circuit Range/Performance.** ● P1DCD-00 - TCM Monitoring Processor Performance Multiple Clutches Locked Up. Customers may also experience one or more of the following: ● **Vehicle stuck in default gear, and possibly stranded for many minutes. ● Rough/bumpy 2-3 power on upshifts and/or 3-2 coast down shifts.** ● Vehicle enters into limp home mode. **Other software improvements: ● Decreased sensitivity to faults P1D8A and P1D8B.* This bulletin involves inspecting the TCM software level and possibly reprogramming the TCM with the latest available software This bulletin involves inspecting the TCM software level and possibly reprogramming the TCM with the latest available software.
OTHERDOC_1482025-09-17. Over-the-air update. ELECTRICAL SYSTEM. Global Telematics Box Module Over The Air Update from R5N & R5R1 to R5T TBM2.H Software Version (FOTA) Customers may experience one or more of the following: - Error display of "Uconnect Box Requires Service/Wifi Unavailable" popups; [ TBM DTC B22A9-96 Internal Performance Failure ]. - Error display of "Uconnect Box Requires Service" popups; [ TBM DTCs B1560, B1561, B1562 - Antenna loose connection ]. - TBM sleep mode not working causing battery drain in some cases. This bulletin applies to vehicles equipped with a Global Telematics Box Module (TBM) (Sales Code RDG)
S25080000812025-09-17. Service bulletin. FUEL/PROPULSION SYSTEM. Water in Fuel (WIF) Warning Lamp on After Draining Fuel Filter Module
02-002-25 REV. A2025-09-17. Service bulletin. SUSPENSION. Shock And Strut Diagnosis And Replacement Guidelines Leaking, noisy, or weak shocks or struts.
OTHERDOC_1472025-09-10. Over-the-air update. ELECTRICAL SYSTEM. Powertrain Contol Module Over The Air Update to V2B (Diesel Only) Software Version (FOTA) 2025 - 2026 (DJ) RAM 2500 Pickup 2025 - 2026 (D2) RAM 3500 Pickup 2025 - 2026 (DD) RAM 3500 Cab Chassis 2025 - 2026 (DF) RAM 3500 10K Lb. Cab Chassis2025 - 2026 (DP) RAM 4500/5500 Cab Chassis Customers may experience one or more of the following: - Power Inverter (110V connection) drops out when shifting from P to D - DEF (Diesel Exhaust Fluid) level gauge inaccuracy - Poor cold start performance - Instrument Panel Cluste MIL (Malfunction Indicator Light) ON; Possible P-codes: P0087/P2540/P2543 Fuel Pressure P214D/P242B SCR Temperature P24DA PM Sensor P20EE SCR Efficiency P226C/P2281 Mass Charge Flow P229F System Outlet NOx Sensor P0100 MAF Sensor P203F DEF Level P0423 DOC Efficiency
S25080000742025-09-10. Service bulletin. ELECTRICAL SYSTEM. Remote Keyless Entry (RKE) Has a Reduced Range, Remote Start Inoperative, Multiple Keyless-Go Push Attempts to Start, Key Not Detected message, Tire Pressure Warning Lamp On, Passive Inoperative
S25080000752025-09-10. Service bulletin. SERVICE BRAKES. Integrated Trailer Brake (ITB) Switch Removal
S25220000022025-09-04. Service bulletin. WHEELS. Customer Indicates Tire Pressure Monitoring System (TPMS) Lights On Dash.
08-164-25 REV.A2025-09-04. Service bulletin. ELECTRICAL SYSTEM. Power Window Inoperative Customers may experience the following: ● Power windows are inoperative after reaching the full open position. This bulletin involves reprogramming the DDM and PDM with the latest available software.
08-165-25 REV. A2025-09-04. Service bulletin. ELECTRICAL SYSTEM. Power Window Inoperative Customers may experience the following: ● Power windows are inoperative after reaching the full open position This bulletin involves inspecting and possibly reprogramming the DDM and PDM with the latest available software.
S25220000012025-08-27. Service bulletin. WHEELS. TPMS Handling & Installation Best Practices
S25180000072025-08-21. Service bulletin. ENGINE. Engine Exhaust Brake Inoperative With No MIL Lamp Or Diagnostic Trouble Code (DTC
31-001-25 REV. A2025-08-21. Service bulletin. STRUCTURE:BODY. Aluminum Body Panel Corrosion Repair Aluminum corrosion or bubbling along the leading edge of hood, hinges or other exterior surface areas of the hinges, doors, fenders, swing gates or liftgates.
31-001-25 REV. B2025-08-21. Service bulletin. STRUCTURE:BODY. Aluminum Body Panel Corrosion Repair Aluminum corrosion or bubbling along the leading edge of hood, hinges or other exterior surface areas of the hinges, doors, fenders, swing gates or liftgates.
31-001-252025-08-21. Service bulletin. STRUCTURE:BODY. Aluminum Body Panel Corrosion Repair Aluminum corrosion or bubbling along the leading edge of hood, hinges or other exterior surface areas of the hinges, doors, fenders, swing gates or liftgates
S258A0000192025-08-13. Service bulletin. ELECTRICAL SYSTEM. Radio Does Not Turn On Automatically When Vehicle Is Started
91006422025-08-13. Service bulletin. POWER TRAIN. When customer complaint is related to inoperative 4 Wheel Drive shifter, loss of 4WD function and/or 4WD related MIL please reference SOL Case #S2508000062 prior to replacement of Transfer Case shift motor.
08-254-252025-08-13. Service bulletin. ELECTRICAL SYSTEM. Flash: Radio Frequency Hub Module (RFHM) Updates Technicians may experience the following Diagnostic Trouble Code (DTC): ● B22A9-00 - ECU Internal Performance. NOTE: This DTC will be Active and there are no customer symptoms with this DTC. *This bulletin involves inspecting and possibly updating the RFHM with the latest available software and also possibly replacing the RFHM.

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