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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
S25080000422025-06-02. Service bulletin. ELECTRICAL SYSTEM. Instrument Panel Cluster (IPC) Erroneous Message at Start Up, “Warning Light Illumination Unavailable Service Required”
08-166-252025-05-30. Service bulletin. STRUCTURE:BODY; 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."
91005922025-05-29. Service bulletin. ELECTRICAL SYSTEM. LAMP Courtesy/Ambient Courtesy / Ambient Lamp: Light guide not fully seated into the retainer during IP sub-assembly due to inconsistent operator installation effort, leading to latent BSR issue that manifests under customer usage conditions. Solution: remove and reinstall light guide to be fully seated in the bracket retainer.
91005742025-05-29. Service bulletin. ELECTRICAL SYSTEM. Radio: Capture software version from radio. Record or document software version prior to troubleshooting, as soon as any infotainment issue has been found or reported. Also always document in claim. Steps to capture Radio version number: 1. Go to "Vehicle" 2. Go to "Settings" 3. Go to "System Information" 4. Find the radio version from "Version information" Example software version: U37.2, U39.4, etc.
S25180000052025-05-28. Service bulletin. ELECTRICAL SYSTEM. Service Electronic Throttle (ETC) Light Illuminated Or Flashing With No Diagnostic Trouble Codes (DTCs) Setting. Discussion: A technician may encounter a vehicle with an ETC light illuminated or flashing. There will not be any DTCs setting when this happens. This issue may be seen during Pre-Delivery Inspection (PDI).
S25070000012025-05-28. Service bulletin. ENGINE; ELECTRICAL SYSTEM. Engine Block Heater Cord Not Fully Installed From The Factory. Discussion: During Pre-Delivery Inspection (PDI) you will notice that the engine block heater cord is not installed on the engine block.
08-159-252025-05-20. Service bulletin. ELECTRICAL SYSTEM; SEATS. "Front Left Power Seat Back Will Not Recline Customers may experience the following: ● Front left power seat back will adjust forward but will not recline back This bulletin involves replacing the front left power seat back and power seat adjuster."
S25080000392025-05-19. Service bulletin. ELECTRICAL SYSTEM. Universal Garage Door Opener (UGDO) Inoperative, LED Indicator Lamps Not Illuminating
S2323000002 REV.A2025-05-19. Service bulletin. ELECTRICAL SYSTEM. "Washer Light On And Will Not Turn Off After Adding Washer Solvent."
S2308000120 REV.D2025-05-19. Service bulletin. ELECTRICAL SYSTEM. Rain Sensing Auto Wipers and Auto on Head Lamps Inoperative
S25080000362025-05-16. Service bulletin. ELECTRICAL SYSTEM. The Occupant Restraint Controller (ORC) Will Set The B2204-00 DTC In Unknown Status (pending), For B2204-00 ECU Configuration Mismatch
S25230000202025-05-14. Service bulletin. ELECTRICAL SYSTEM. Diagnostic Trouble Code (DTC) U300A-29
1037742025-05-01. Service bulletin. ELECTRICAL SYSTEM. LAMP - DOME
1044072025-05-01. Service bulletin. ELECTRICAL SYSTEM. RECEIVER - WIRELESS CONTROL MODULE
S2308000120 REV.C2025-04-30. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY. Rain Sensing Auto Wipers and Auto on Head Lamps Inoperative
08-119-252025-04-23. Service bulletin. ELECTRICAL SYSTEM. "Flash: Security Gateway Module(SGW Update) Customers may experience the following: ● Map data not working properly. This bulletin involves updating the SGW with the latest available software."
S2508000017 REV.A2025-04-23. Service bulletin. ELECTRICAL SYSTEM. Radio Frequency Hub (RFH) Module has an Active Diagnostic Trouble Code (DTC) B22A9-00 ECU Internal Performance.
S25230000232025-04-07. Service bulletin. ELECTRICAL SYSTEM. Trailer Tow Lights Inoperative. Diagnostic Trouble Codes (DTCs) B166E-13 B17AD-13 May Be Set.
S25080000252025-04-04. Service bulletin. ELECTRICAL SYSTEM. Instrument Panel Cluster (IPC) and Radio Compass Display has Dashes (--)
S25230000242025-04-04. Service bulletin. STRUCTURE:BODY; ELECTRICAL SYSTEM. Rear Defogger Solder Terminals Detached.
91005372025-04-01. Service bulletin. ELECTRICAL SYSTEM. "Body control module Customer may experience the compass on Radio ""ETM/LTM"" and IPC to display ""--"". Technician will also experience this as well as BCM DTC U147C-00 ""Implausible data received from ETM"" as active until the customer/technician drives the vehicle around Steps to revive: - 1.Drive vehicle around until the compass direction appears in IPC and ETM/LTM. 2.also a reset to the radio may recover the issue until the next sleep cycle."
91005252025-03-26. Service bulletin. ELECTRICAL SYSTEM. "Base led headlamp RT 25 MY HDCC Ignition DTC (U300A-29 Ignition Switch - Signal Invalid) in stored state for SLML and SLMR. All headlamps on the Heavy Duty with SW 24.43.00(Premium) or 24.44.00(Base) will show a U300A-29 -> Ignition Switch-Signal Invalid as a stored DTC. If you experience this condition, please clear the DTCs on SLML and SLMR once and restart the truck and check if the DTC is in active state 10 seconds after the engine is turned ON, check the hardware ignition line and repair as required. If the DTC reappears as stored DTC (See Figure 1), no repair is required. The headlamps are good. The DTCs will appear every time the Ignition is cycled, and should be ignored."
91005302025-03-24. Service bulletin. ELECTRICAL SYSTEM. "Receiver Hub Please refer SOL ""S2508000017"" published in February 2025. DO NOT REPLACE RFHM module PN 68671484AD due to active RFH ECU internal performance DTC B22A9-00. Please refer SOL information below. Symptom/Vehicle Issue: Radio Frequency Hub (RFH) Module has an Active Diagnostic Trouble Code (DTC) B22A9- 00 ECU Internal Performance Technician Observation: RFH Module is setting an active DTC B22A9-00 Electronic Control Unit (ECU) Internal Performance with no customer complaints. Please do not replace RFH module if all the following conditions are TRUE 1-3. 1. Vehicle has RFH PN # 68671484AD 2. Active RFH DTC B22A9-00 ECU internal performance. 3. No functional issues observed or reported, DTC cannot be cleared. DO NOT REPLACE THE RFH IF THER ARE NO FUNCTIONAL ISSUES. Note:" Below are the functional tests that can be validated for complaints as needed. i. Remote Keyless entry (RKE) ii. Passive Entry (If equipped, sales code
S2423000027 REV.C2025-03-13. Service bulletin. ELECTRICAL SYSTEM. Horn Sound Is Weak, Off Tone, Inoperative, Or Intermittent.
S25080000172025-03-05. Service bulletin. ELECTRICAL SYSTEM. Radio Frequency Hub (RFH) Module has an Active Diagnostic Trouble Code (DTC) B22A9-00 ECU Internal Performance

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