WenmarOpen by Wenmar Pro

Service bulletins for the 2025 Ram 2500

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.

318 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
S228A000025 REV.A2026-03-05. Service bulletin. ELECTRICAL SYSTEM. Harman R1H Uconnect 5 Radio Software Flash Error Codes
S268A0000082026-03-05. Service bulletin. ELECTRICAL SYSTEM. Uconnect Box Requires Service, Please Visit an Authorized Dealer Message on Display Message With DTCs B1498-13, B1498-19 or B1570-93
S2423000027 REV.D2026-03-05. Service bulletin. ELECTRICAL SYSTEM. Horn Sound Is Weak, Off Tone, Inoperative, Or Intermittent.
S26250000012026-03-05. Service bulletin. ELECTRICAL SYSTEM. Active/Pending Diagnostic Trouble Code (DTC) P208B And/or P20E8 Setting In The Powertrain Control Module (PCM)
S26090000032026-03-05. Service bulletin. ELECTRICAL SYSTEM. Active Diagnostic Trouble Code (DTC) U3FFF-00 Setting In The PCM
9100591 Rev 12026-03-05. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY. Universal Garage Door Opener Prior to replacing the UGDO or sun visor, call HomeLink® Customer Care at 1-800-355-3515 for a proper evaluation of the issue. If this does not correct the issue, please follow the steps in SOL: S2508000039
08-076-262026-03-05. Service bulletin. ELECTRICAL SYSTEM. Flash: Diesel Exhaust Fluid Control Unit (DCU) 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): ● **P20BC-00 - Reductant Suction Line Heater Control Circuit High. - in Active or Stored status. ● P202C-00 - Reductant Tank Heater Control Circuit High. - in Active or Stored status. ● P20E8-00 - Reductant Pressure Too Low. - in Active or Stored status. ● P209F-00 - Reductant Tank Heater Control Circuit Performance. - in Active or Stored status. ● P208B-00 - Reductant Pump 1 Control Performance. - in Active or Stored status.** ● P218F-00 - Reductant No Flow Detected. ● P249E-00 - Closed Loop SCR Reductant Injection Control At Limit - Flow Too High. **Customers may also comment one or more the following: ● "Service Diesel Exhaust Fluid (DEF) System See Dealer" message in the Electronic Vehicle Information Center (EVIC). NOTE: This message will appear after the DEF pump fails to build pressure, a fault is set and the message continues to be displayed for 80 km (50 mi) of driving. ● "Speed Will Be Limited To 8 kph (5 mph)" message displayed in the EVIC. CAUTION! If the vehicle is not taken to the dealership BEFORE reaching 241 km (150 mi) from when the "Service Diesel Exhaust Fluid (DEF) System See Dealer" message is displayed, the vehicles speed will be limited to 8 kph (5 mph).** ● Reduced acceleration from turbo. This bulletin involves inspecting and possibly reprogramming the DCU with the latest available software.
S268A0000052026-02-19. Service bulletin. ELECTRICAL SYSTEM. Front HDMI Port or Front Passenger Display Module (FPDM) Not Projecting Video
S268A0000062026-02-19. Service bulletin. ELECTRICAL SYSTEM. Hands-Free Voice Concerns Including No Voice Pickup, Muffled Audio, Distortion, or Intermittent Microphone Operation
S25080000592026-02-19. Service bulletin. ELECTRICAL SYSTEM. wiTECH Does Not Connect To The Vehicle. No Power At OBD II Port
S2508000036 REV.B2026-02-19. Service bulletin. AIR BAGS; ELECTRICAL SYSTEM. The Occupant Restraint Controller (ORC) Sets B2204-00 DTC In an Unknown Status (Pending), Sets B2204-00 ECU Configuration Mismatch Or/And DTC B222D-00 Active for ECU Unable to Configure/Configuration Not Learned
S26230000062026-02-19. Service bulletin. ELECTRICAL SYSTEM. Washer Fluid Warning Lamp Illuminated When Reservoir Is Full
1100812026-02-19. Service bulletin. ELECTRICAL SYSTEM. MODULE - TRAILER BRAKE & TOWING CONTROL
08-060-262026-02-19. Service bulletin. ELECTRICAL SYSTEM. Flash: Telematics Box Module 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): ● B1560 - 11 Cellular Antenna 1 - short to ground. ● B1561 - 11 Cellular Antenna 2 - short to ground. ● B1562 - 14 GPS Antenna short to ground or open. ● B22A9 - 96 ECU internal performance-component internal failure. Customers may also experience the following: ● "Uconnect Box Required Service" Message in Radio Display. This bulletin involves reprogramming the TBM with the latest available software.
1100822026-02-12. Service bulletin. SERVICE BRAKES; ELECTRICAL SYSTEM. MODULE - TRAILER BRAKE & TOWING CONTROL
18-013-262026-02-12. Service bulletin. ELECTRICAL SYSTEM; ENGINE. 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 Module. ● P1451 - 00 Diesel Particulate Filter System Performance. ● P2463 - 00 Diesel Particulate Filter Restriction - Soot Accumulation Bank 1. ● P2459 - 00 Diesel Particulate Filter Regeneration Too Frequent.** ● 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. ● P0100 - 00 Mass Or Volume Air Flow Sensor "A" Circuit. B18 FSAR-TSB-6871 -2- ● P203F - 00 Reductant Level Too Low. ● P0423 - 00 Heated Catalyst Efficiency Below Threshold Bank 1. ● P20EE - 00 SCR NOX Catalyst Efficiency Belo
S2308000120 REV.F2026-02-12. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY. Rain Sensing Auto Wipers and Auto on Head Lamps Inoperative. Rain Sensor Internal Failure.
76C Combo2026-02-04. Service campaign. STRUCTURE:BODY; ELECTRICAL SYSTEM. Customer Satisfaction Notification 76C – Camera Kit - Dealer Notification
08-032-262026-02-04. Service bulletin. ELECTRICAL 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 inspecting and possibly reprogramming the BCM with the latest available software. M08 FSAR-TSB-6903 -2-
08-021-262026-02-04. Service bulletin. ELECTRICAL SYSTEM; SERVICE BRAKES. 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. Customers may also comment on one or more of the following: ● The Instrument Panel Cluster (IPC) is displaying one or more of the following messages: ○ "ACC/FCW Unavailable Service Required". ○ "ACC/FCW Limited Functionality". ○ "Active Lane Management Limited Functionality." ○ "Active Lane Management Unavailable Service Required". ○ "Automatic Emergency Braking (AEB) Limited Service Required". ○ "AEB Unavailable Service Required". ○ "Blindspot Detection Unavailable Service Required" ○ "Blindspot Detection Limited Functionality" ● Customer states that the ADAS features are disabled. This bulletin involves reprogramming of the CADM with the latest available software and possibly performing a Forward Facing Camera (FFC) Dynamic Service Alignment / Calibration procedure. J08 FSAR-TSB-6774 -2-
08-017-26 REV.A2026-02-04. Service bulletin. ELECTRICAL 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 available software.
08-017-252026-01-28. Service bulletin. ELECTRICAL 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 available software.
S2308000120 REV.E2026-01-21. Service bulletin. ELECTRICAL SYSTEM. Rain Sensing Auto Wipers and Auto on Head Lamps Inoperative. Rain Sensor Internal Failure.
08-012-262026-01-21. Service bulletin. ELECTRICAL SYSTEM. Speaker Diagnostic Procedure Rattle, buzz and squeak coming from specific speakers.
1093562026-01-14. Service bulletin. ELECTRICAL SYSTEM. HEADLAMP – NONE

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