2025 Ram 3500 Technical Service Bulletins

358 technical service bulletins (TSBs) are on record for the 2025 Ram 3500. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 11021855Aug 8, 2025Electrical system. Radio Does Not Turn On Automatically When Vehicle Is Started
• 11021844Aug 7, 2025Transmission and drivetrain. 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.
• 11021829Aug 7, 2025Electrical 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.
• 11021828Aug 7, 2025Electrical 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.
• 11021581Aug 2, 2025Electrical system. Door speaker Inoperative or No Sound
• 11021561Aug 1, 2025Other or unknown. Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● 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…
• 11021576Jul 30, 2025Transmission and drivetrain. Unresponsive 4WD Shifter, Service 4WD Light Illuminated. ABS And/Or Traction Control Lights May Also Be On
• 11021573Jul 29, 2025Electrical system. Instrument Panel Cluster (IPC) Erroneous Message at Start Up, “Warning Light Illumination Unavailable Service Required”
• 11021585Jul 28, 2025Electrical system. LAMP - DOME
• 11021041Jul 24, 2025Other or unknown. Central ADAS Decision Module (CADM), Long Range Camera Front (LRCF), Advanced Driver Assist System (ADAS). AEB ACC FCW Message On Cluster.
• 11021029Jul 24, 2025Body and structure. Windshield Wiper Blade Maintenance Customers may experience one or more of the following: ● Wiper blades that chatter/streak/jump/skip/smear or make noise while traveling across the windshield.
• 11021039Jul 23, 2025Electrical system. Tire Pressure Monitor (TPM) Service Information. TPM Lamp On.
• 11021011Jul 22, 2025Electrical 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.
• 11021034Jul 21, 2025Other or unknown. Sensor - exhaust temperature
• 11020852Jul 18, 2025Other or unknown. Central ADAS Decision Module (CADM) Diagnostic Trouble Codes C00C0-4A, C00C1-4A, C00C5-4A.
• 11021038Jul 17, 2025Engine. 6.7L Cummins Comprehensive List Of Elevated Idle Speed Modes
• 11020858Jul 15, 2025Engine. Module - engine controller
• 11020848Jul 14, 2025Body and structure. Exterior Door Handle Sticking When Opening The Door.
• 11020776Jul 11, 2025Electrical system. Driver Side Window Switch Buttons Stuck Or Inoperative.
• 11020750Jul 11, 2025Electrical system. Auxiliary Switch Bank Inoperative Customers must comment on the following: ● The auxiliary switch is inoperative and none of the buttons work as expected. This bulletin involves inspecting and possibly replacing the auxiliary switch bank.
• 11020768Jul 10, 2025Other or unknown. For any issues associated with the DEF Level Sensor, need to analyze the DEF Tank. The Level Sensor is no longer part of the DEF Pump. The Level Sensor is molded onto the DEF Tank and cannot be serviced separately. Do not replace the DEF Pump for the Level Sensor issue(s).
• 11020635Jul 4, 2025Electrical 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…
• 11020634Jul 4, 2025Electrical 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.
• 11020632Jul 4, 2025Electrical 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.
• 11020598Jul 4, 2025Electrical system. Instrument Panel Cluster (IPC) Erroneous Message at Start Up, “Warning Light Illumination Unavailable Service Required”
• 11020095Jun 27, 2025Electrical system. Bumper Mounted 7 Pin Trailer Tow Connector
• 11019774Jun 20, 2025Electrical 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…
• 11019759Jun 20, 2025Brakes. Antilock Brake System (ABS) Lamp on. Diagnostic Trouble Code(s) (DTC) C0037-2F, C003A-2F Left Or Right Rear Speed Sensor Signal Erratic Set.
• 11019595Jun 14, 2025Electrical system. "Radio Frequency Hub (RFH) Module has an Active Diagnostic Trouble Code (DTC) B22A9-00 ECU Internal Performance "
• 11019634Jun 13, 2025Transmission and drivetrain. "Flash: Transmission Control Module (TCM) Updates Customers may comment on one or more of the following: ● Roughness or bumps during gear shifting with heavy load driving on curve maneuvers. ● Secure idle feature does not work when the power panel is on. This bulletin involves reprogramming the TCM with the latest available software."
• 11019633Jun 13, 2025Transmission and drivetrain. "Flash: Transmission Control Module (TCM) Updates Customers may comment on one or more of the following: ● Roughness or bumps during gear shifting with heavy load driving on curve maneuvers. ● Secure idle feature does not work when the power panel is on. This bulletin involves reprogramming the TCM with the latest available software."
• 11019619Jun 13, 2025Fuel system. "Fuel Leaking From Fuel Heater Harness Connector Customers may comment on the following: ● Fuel is leaking. This bulletin involves inspecting and possibly replacing the fuel heater."
• 11019616Jun 13, 2025Electrical 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."
• 11019776Jun 12, 2025Electrical system. LAMP - DOME
• 11019592Jun 11, 2025Seats. The Occupant Restraint Controller (ORC) Will Set The B2204-00 DTC In Unknown Status (pending), For B2204-00 ECU Configuration Mismatch
• 11019451Jun 10, 2025Wheels, Other or unknown, Brakes. "Mil-On/Check Engine Lamp (CEL), Antilock Brake System (ABS) Lamp, Diagnostic Trouble Code (DTCs)."
• 11019430Jun 7, 2025Seats, Electrical system. "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."
• 11019432Jun 3, 2025Engine. "Loose Charge Air Cooler Clamp Customers may experience the following: ● Audible whistle type noise heard from the engine area. This bulletin involves tightening the charge air cooler left and right hose clamps to the proper torque specification"
• 11018858May 31, 2025Electrical system. Instrument Panel Cluster (IPC) Erroneous Message at Start Up, “Warning Light Illumination Unavailable Service Required”
• 11018809May 28, 2025Other or unknown. CORE - HEATER
• 11018662May 28, 2025Electrical 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.
• 11018619May 27, 2025Brakes. Auxiliary Switch Bank Is Inoperative Discussion: Some customers may state that the lower switch bank is inop. This includes the Tow/Haul, Exhaust Brake, Alt Trailer Height and all Aux Switches. The issue may be due to having the incorrect part number switch installed in the vehicle at the assembly plant. If the technician is working on a vehicle with this condition, please remove the switch bank and inspect the…
• 11018605May 23, 2025Fuel system. Longer Than Expected, Extended Crank Time After Fuel Level Run Too Low Or After Fuel Filter/System Servicing. Some customers may experience an extended crank condition. This concern may have been noticed after the vehicle has been run low/out of fuel, or after a recent fuel system repair such as filter replacement. This may also be noticed newer vehicles arriving from the assembly plant.
• 11018604May 23, 2025Electrical 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).
• 11018686May 22, 2025Body and structure, 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."
• 11018685May 22, 2025Body and structure, 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."
• 11018676May 21, 2025Suspension. "Shock And Strut Diagnosis And Replacement Guidelines Leaking, noisy, or weak shocks or struts. "
• 11018635May 20, 2025Seats. Frame - Front Seat Back: 2024 2025 DJ D2 Power back frame with INOP motor replaced seat frame Please review TSB 08-159-25 before replacing any parts on the seat back frame.
• 11018631May 20, 2025Electrical 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.
• 11018601May 20, 2025Engine, 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.

← All problems reported for the 2025 Ram 3500