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Service bulletins for the 2025 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.

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

By type

By component

By trouble code

Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
08-343-252025-10-29. Service bulletin. ELECTRICAL SYSTEM. Flash: Instrument Panel Cluster (IPC) Updates Customers may experience one or more of the following: ● While driving, resetting the Diesel Particulate Filter (DPF) gauge causes the IPC to freeze on that screen. The left-side steering wheel controls (used for navigating the IPC) becomes unresponsive while the right-side controls for cruise control remained functional. ● Power Take-Off (PTO) Password feature not able to reset. ● The IPC may incorrectly display an airbag warning light. ● Opening the driver door while the IPC is in sleep mode may cause the analog gauges to momentarily flutter. ● The navigation option does not appear in the main IPC menu. However, it can still be accessed through the Favorites screen. (When cycling through the main menu, option #5 is listed as Audio, but in the Favorites menu, option #5 correctly shows as Navigation). This bulletin involves updating the IPC with the latest available software.
S25080000872025-10-15. Service bulletin. ELECTRICAL SYSTEM. Cluster Display Resets Intermittently
S2508000042 REV.C2025-10-15. Service bulletin. ELECTRICAL SYSTEM. Instrument Panel Cluster (IPC) Erroneous Message at Start Up, “Warning Light Illumination Unavailable Service Required”
1076152025-10-08. Service bulletin. ELECTRICAL SYSTEM. SENSOR - EXHAUST TEMPERATURE
08-326-252025-10-02. 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.
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)
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
08-166-25 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.
S258A0000192025-08-13. Service bulletin. ELECTRICAL SYSTEM. Radio Does Not Turn On Automatically When Vehicle Is Started
08-255-252025-08-13. 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.
1062412025-08-06. Service bulletin. ELECTRICAL SYSTEM. LAMP - DOME
S258A0000172025-08-06. Service bulletin. ELECTRICAL SYSTEM. Door speaker Inoperative or No Sound
S2508000042 REV.B2025-08-06. Service bulletin. ELECTRICAL SYSTEM. Instrument Panel Cluster (IPC) Erroneous Message at Start Up, “Warning Light Illumination Unavailable Service Required”
S2422000001 REV.D2025-07-31. Service bulletin. ELECTRICAL SYSTEM. Tire Pressure Monitor (TPM) Service Information. TPM Lamp On.
08-221-252025-07-31. Service bulletin. ELECTRICAL SYSTEM. 115V Power Outlet LED Always On The amber LED remains continuously illuminated, regardless of whether the switch button is activated. This bulletin involves replacing the inverter switch.
S25230000662025-07-17. Service bulletin. ELECTRICAL SYSTEM. Driver Side Window Switch Buttons Stuck Or Inoperative.
18-053-252025-07-09. Service bulletin. ELECTRICAL SYSTEM. Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● P032F - Combustion Engine Producing Insufficient Torque. Customers may also experience one or more of the following: ● Driveline clunk or bump when coasting to a stop. ● Engine idle undershoot or delayed response with power steering input. This bulletin involves reprogramming the PCM with the latest available software.
S2508000042 REV.A2025-07-09. Service bulletin. ELECTRICAL SYSTEM. Instrument Panel Cluster (IPC) Erroneous Message at Start Up, “Warning Light Illumination Unavailable Service Required”
S25230000622025-07-02. Service bulletin. ELECTRICAL SYSTEM. Bumper Mounted 7 Pin Trailer Tow Connector
1049742025-06-26. Service bulletin. ELECTRICAL SYSTEM. LAMP - DOME
OTHERDOC_1342025-06-26. Over-the-air update. ELECTRICAL SYSTEM. Global Telematics Box Module Over The Air Update from Customers may experience one or more of the following: R5N to R5R1 TBM2.H Software Version (FOTA) - Ram App only showing 4 of 6 tire pressures on dually tires; 2nd set of rears show N/A. - Error display of "Uconnect Box Requires Service/Wifi Unavailable" pop ups; [ TBM DTC B22A9-96 Internal Performance Failure ]. - Error display of "Uconnect Box Requires Service" pop-ups; [ TBM DTCs B1560, B1561, B1562 - Antenna loose connection ].
08-189-252025-06-18. 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."
S2508000017 REV.B2025-06-17. Service bulletin. ELECTRICAL SYSTEM. "Radio Frequency Hub (RFH) Module has an Active Diagnostic Trouble Code (DTC) B22A9-00 ECU Internal Performance "
08-182-252025-06-10. Service bulletin. ELECTRICAL SYSTEM; SEATS. "Power Seat Not Adjusting Customers may experience one or more of the following: ● Driver and/or passenger seat moves backwards but not forward. ● Driver and/or passenger seat inoperative. This bulletin involves replacing the front power seat adjusters."

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