2025 Ram 2500 Technical Service Bulletins

322 technical service bulletins (TSBs) are on record for the 2025 Ram 2500. 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.

• 11028891Feb 9, 2026Fuel system. Diesel Exhaust Fluid (DEF) Gauge Fluctuates Or Is Erratic. Diagnostic Trouble Code (DTC) P203F – Reductant Level Too Low.
• 11028886Feb 9, 2026Electrical system. Module - trailer brake & towing control
• 11028785Feb 6, 2026Brakes, Electrical system. Module - trailer brake & towing control
• 11028744Feb 6, 2026Electrical system, Body and structure. Rain Sensing Auto Wipers and Auto on Head Lamps Inoperative. Rain Sensor Internal Failure.
• 11028764Feb 2, 2026Engine, Electrical system. Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● **P20CF - 00 Exhaust After treatment Fuel Injector "A" Stuck Open. ● P20DB - 00 Exhaust After treatment Fuel Supply Control Stuck Open. ● U0109 - 00 Lost Communication With Fuel Pump Control…
• 11028742Feb 2, 2026Engine. Hemi Water Pump Coolant Leak Inspection
• 11028226Jan 31, 2026Electrical system. Flash: Body Control Module (BCM) Updates Customers may comment on one or more of the following: ● The AUX switches Fig. 1 do not remember (hold) the last position the switches were in after the ignition is cycled. ● Vehicles equipped with booms may experience operators stuck in booms as the vehicle has shut off during operations, leaving the boom operator with no way to restart the vehicle. This bulletin involves…
• 11028217Jan 31, 2026Electrical system. Flash: Radio Frequency Hub Module (RFHM) Updates Technician may find the vehicle has set at least one of the following Diagnostic Trouble Codes (DTCs): ● B1A08-00 - RKE Fob 1 Performance. ● B1A09-00 - RKE Fob 2 Performance. Customers may also comment on one or more of the following: ● Lock / unlock from keyfob inoperable. ● Passive entry inoperable. This bulletin involves reprogramming of the RFHM with the latest…
• 11028258Jan 28, 2026Electrical system, Body and structure. Customer Satisfaction Notification 76C – Camera Kit - Dealer Notification
• 11028220Jan 28, 2026Brakes, Electrical system. Flash: Central ADAS Decision Module (CADM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set at least one of the following Diagnostic Trouble Codes (DTCs): ● C2203-00 - Current VIN Missing/Mismatch. ● C008E-00 - ECU Internal Performance with Environmental Data Decode Byte: APP_FATAL_ERROR_APP_CONFIGURATION_ERROR_FAULT.
• 11027848Jan 23, 2026Electrical system. Flash: Radio Frequency Hub Module (RFHM) Updates Technician may find the vehicle has set at least one of the following Diagnostic Trouble Codes (DTCs): ● B1A08-00 - RKE Fob 1 Performance. ● B1A09-00 - RKE Fob 2 Performance. Customers may also comment on one or more of the following: ● Lock / unlock from keyfob inoperable. ● Passive entry inoperable. This bulletin involves reprogramming of the RFHM with the latest…
• 11027838Jan 23, 2026Seat belts. Seatbelt Slow Retraction.
• 11027832Jan 19, 2026Other or unknown. Module kit - urea pump/level unit
• 11027736Jan 16, 2026Electrical system. Rain Sensing Auto Wipers and Auto on Head Lamps Inoperative. Rain Sensor Internal Failure.
• 11027727Jan 16, 2026Electrical system. Speaker Diagnostic Procedure Rattle, buzz and squeak coming from specific speakers.
• 11027629Jan 8, 2026Transmission and drivetrain. 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): ● P0826-00 - Up/Down Shift Switch. ● P0827-00 - Up/down Shift Switch Circuit Low. ● P085F-00 - Up And Down Shift Switch Circuit Range/performance. Customers may also experience one or more of the…
• 11027653Jan 7, 2026Electrical system. HEADLAMP – NONE
• 11026806Dec 17, 2025Electrical system. Customer states Navigation is inaccurate, showing in wrong city or state.
• 11026677Dec 12, 2025Electrical system. Telematics Box Module (TBM) Backup Battery Replacement When DTC B1E21 Is Present Technicians may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set the following Diagnostic Trouble Code (DTC): ● B1E21-96 - Backup Battery Component Internal Failure.
• 11026642Dec 12, 2025Seats. Comfort Seat Module (CSM) or Comfort Steering Wheel Module (CSWM) do Not Operate
• 11026640Dec 12, 2025Other or unknown. Buzz Squeak Rattle (BSR) Vibration From Under Vehicle While Driving.
• 11026660Dec 10, 2025Electrical system. If the DTC B1E21-96: Backup Battery-Component Internal Failure is active and customer states Popup message will show at the radio: "Battery of Uconnect Box requires service. SOS call and related functions may be unavailable. Please visit an authorized dealer." PLEASE do not Replace the TBM module, only replace TBM Internal Battery (inside Telematics Box Module) and order PN68493347
• 11026634Dec 10, 2025Brakes. Diagnostic Trouble Code (DTC) C0050-00-Brake System Hydraulic Leak Set After Recent Repair.
• 11026557Dec 6, 2025Other or unknown. Diesel Exhaust Fluid (DEF) leaking around the gasket mount of the DEF doser causing an external, white, deposit build-up.
• 11026549Dec 5, 2025Electrical system. Telematics Box Module (TBM) Backup Battery Replacement When DTC B1E21 Is Present echnicians may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set the following Diagnostic Trouble Code (DTC): ● B1E21-96 - Backup Battery Component Internal Failure
• 11026552Dec 3, 2025Electrical system. Diagnostic Trouble Code (DTC) B15A1-00 Media Port Connection 1 Connection Found Set.
• 11026543Dec 3, 2025Electrical system. Flash: Instrument Panel Cluster (IPC) Updates Customers may experience one or more of the following: ● **The IPC does not display the correct Tire Pressure Monitoring System (TPMS) graphic in the IPC (For dually vehicles only) Fig. 1.** ● While driving, resetting the Diesel Particulate Filter (DPF) gauge causes the IPC to freeze on that screen.
• 11025736Nov 20, 2025Seats, Steering, Electrical system. Heated Seats And Heated Steering Wheel Inoperative
• 11025732Nov 19, 2025Electrical system. Vehicle Shifter Will Not Shift Out Of Park.
• 11025642Nov 15, 2025Other or unknown. High Soot Load In the Diesel Particulate Filter (DPF) Setting DTC P242F
• 11025641Nov 14, 2025Electrical system. No Wireless Charging Or Slow Wireless Charging
• 11025723Nov 13, 2025Other or unknown. Detector - evaporative system integrity module
• 11025722Nov 13, 2025Other or unknown. Detector - evaporative system integrity module
• 11025639Nov 11, 2025Electrical system. Trailer Light Check Appears on Vehicles Not Equipped With the Option
• 11025512Nov 6, 2025Electrical system. Intermittent Uconnect Box Requires Service Message. TBM Setting Stored Or Pending DTCs B22A9, B1560, B1561, B1562
• 11025507Nov 6, 2025Other or unknown. CORE - HEATER
• 11025506Nov 6, 2025Other or unknown. CORE - HEATER
• 11025035Nov 1, 2025Brakes. Auto Emergency Braking Unavailable/Service Required Message on Cluster
• 11024577Oct 24, 2025Transmission and drivetrain. Driveline Vibration. Prop Shaft Diagnostic Information.
• 11024559Oct 22, 2025Engine. Cummins Valvetrain Noise Diagnostics Customers may comment on one or more of the following: ● Ticking noise. ● Clicking noise. ● Engine noise.
• 11024619Oct 18, 2025Electrical system. Remote Keyless Entry (RKE) Not Functional With One of the Paired Keyfobs, Passive Entry/ Keyless Go functions Would be Operational
• 11024600Oct 18, 2025Transmission and drivetrain. Flash: Transmission Control Module (TCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must 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…
• 11024597Oct 18, 2025Electrical 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…
• 11024615Oct 17, 2025Electrical system. LED Fog Lamp Inoperative.
• 11024610Oct 17, 2025Electrical system. 1. SGW DTC - U3033-00 and/or U3033-01 Active or store and cannot clear. If the security gateway module has set the security module certificate missing or invalid DTC (U3033-00 or U3033-01), it is being set erroneously. This DTC does not have any customer related symptoms affecting a vehicles operation. No service repairs and or parts replacements should be attempted for this specific DTC, the DTC will always appear…
• 11024614Oct 16, 2025Electrical system, Brakes. Brakes Appear to Drag After Setting Trailer Brake Feature in the Radio Settings
• 11024586Oct 14, 2025Electrical 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…
• 11024319Oct 11, 2025Electrical system. Cluster Display Resets Intermittently
• 11024321Oct 8, 2025Engine. On Cummins diesel applications that are for 2019 and newer the bpro part 1BP00507AB can on occasions create a check engine light. In these situations, it is recommended to use the appropriate Mopar air filter (57008652AA). The "AC" level of the part is in development to resolve this issue. 1BP00507AB should still be usable for 2018 and older Model year Cummins engines.
• 11024315Oct 8, 2025Electrical system. Instrument Panel Cluster (IPC) Erroneous Message at Start Up, “Warning Light Illumination Unavailable Service Required”

← All problems reported for the 2025 Ram 2500