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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

Bulletins, newest first
S2508000036 Rev D2026-04-01. Service bulletin. ELECTRICAL SYSTEM; SEATS. The Occupant Restraint Controller (ORC) Sets B2204-00 Unknown Status (Pending), Sets B2204-00 ECU Configuration Mismatch Or/And DTC B222D-00 Active for ECU Unable to Configure/Configuration Not Learned
S26090000052026-04-01. Service bulletin. POWER TRAIN; ENGINE. Check Engine Light (CEL) Illuminated Diagnostic Trouble Code (DTC) P0381-00 Wait to Start Lamp Inoperative
08-134-262026-04-01. Service bulletin. ELECTRICAL SYSTEM. Universal Garage Door Opener (UGDO) Inoperable Technicians may or may not find the following Diagnostic Trouble Code (DTC) present: SYMPTOM: ● B251D1-00 - Universal Garage Door Opener Control. Customers may comment on the following: ● Operational questions regarding the usage of the HomeLink® UGDO. . No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise, without written permission of FCA US LLC.
S26080000152026-03-25. Service bulletin. ELECTRICAL SYSTEM; SEATS. Memory Seat Does Not Work There Is No Response from The Seat While Pressing the Memory Seat Profiles from the Switch Diagnostic Trouble Code (DTC) B1D9B-54- Seat Horizontal Front Stop Not Learned-Missing Calibration
S2621000002 REV.A2026-03-25. Service bulletin. ENGINE. The customer concern is Service Transmission, preventing the engine from shutting off. NOTE: The transmission will be in Park and able to hold the vehicle, but the cluster display would indicate Neutral, preventing the engine from shutting off.
18-044-262026-03-25. Service bulletin. 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): ● **P0111-00 - Intake Air Temperature Sensor 1 Circuit Range Performance Bank 1. (In Active or Stored status) ● P0071-00 - Ambient Air Temperature Sensor Performance. (In Active or Stored status) ● P0072-00 - Ambient Air Temperature Sensor Circuit "A" Low. (In Active or Stored status) ● P0073-00 - Ambient Air Temperature Sensor Circuit "A" High. (In Active or Stored status) ● P0011-00 - Bank 1 Camshaft 1 Position Timing Over Advanced Or. (In Active or Stored status) ● P25E4-00 - B Camshaft Position - Unable To Achieve Locked Position Bank 1. (In Active or Stored status) ● P05BD-00 - Stop-Start Mode Switch Range/Performance. (In Active or Stored status) ● P0116-00 - Engine Coolant Temperature Sensor 1 Performance. (In Active or Stored status) ● P062B-00 - Internal Control Module Fuel Injector Control Performance. (In Active or Stored status) ● P0604-00 - Internal Control Module Random Access Memory Ram Error. (In Active or Stored status) ● P060C-00 - Internal Control Module Main Processor Performance. (In Active or Stored status)** ● P018B-00 - Fuel Pressure Sensor "B" Circuit Range/performance. **(In Active or Stored status)** ● P1CEA-00 - Boost Side EVAP Purge System Performance. **(In Active or Stored status)** ● P06DD-00 - Engine Oil Pressure Control Circuit Performance/Stuck Off. **(In Active or Stored status)** ● P00C6-00 - Fuel Rail Pressure Too Low - Engine Cranking. **(In Active or Stored status)** ● P0300-00 - Multiple Cylinder Misfire. **(In Active or Stored status)** Customers may also experience one or more of the following: ● **Oil Level High Warning in the Instrument Panel Cluster (IPC).** ● Fully Autonomous Parking Assist (FAPA) is not deactivated when accelerator pedal is pressed. ● Vehicle is not heating up fast enough at freezi
S2523000070 REV.A2026-03-18. Service bulletin. UNKNOWN OR OTHER. Central ADAS Decision Module (CADM) Diagnostic Trouble Codes C00C0-4A, C00C1-4A, C00C5-4A.
S2523000088 REV.A2026-03-18. Service bulletin. ELECTRICAL SYSTEM. Vehicle Shifter Will Not Shift Out Of Park.
18-038-262026-03-18. Service bulletin. ENGINE. Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle exhibit/set **one or more of the following Diagnostic Trouble Codes (DTCs)**: ● **P219A - Bank 1 Air-Fuel Ratio Imbalance. ● P219B - Bank 2 Air-fuel Ratio Imbalance.** ● P032F - Combustion Engine Producing Insufficient Torque. Customers may experience one or more of the following: ● **Engine speed surging, unstable, hunting, or oscillating while coasting at low vehicle speeds. ● Stationary Idle Power Take off (PTO) feature is not activating when the user configuration is selected to require parking brake be set (DD/DP Only). ● PTO not auto-resuming after hard-wired remote start (DD/DP Only).** ● Driveline clunk or bump when coasting to a stop **in cruise control mode.** ● Engine idle undershoot or delayed response with power steering input. **In addition, the following software enhancement(s) is available: ● Increase the duration that PTO related messages are displayed on the Instrument Panel Cluster (IPC) (DD/DP Only).** This bulletin involves reprogramming the PCM with the latest available software.
S26080000102026-03-13. Service bulletin. ELECTRICAL SYSTEM. Active Diagnostic Trouble Code (DTC) B1A10-00, B1A11-00, B1A12- 00, B1A13-00-, B1A14-00, B1A15-00, B1A16-00, and B1A17-00 in The Radio Frequency Hub (RFH)
S2625000001 REV.A2026-03-13. Service bulletin. ELECTRICAL SYSTEM. Active/Pending Diagnostic Trouble Code (DTC) P208B And/or P20E8 Setting In The Powertrain Control Module (PCM)
1106032026-03-13. Service bulletin. ELECTRICAL SYSTEM. SPEAKER - NONE
1106042026-03-13. Service bulletin. ELECTRICAL SYSTEM. SPEAKER - NONE
23-005-262026-03-13. Service bulletin. STRUCTURE:BODY. Windshield Wiper Blade Maintenance Customers may experience one or more of the following: SYMPTOM: ● Wiper blades that chatter/streak/jump/skip/smear or make noise while traveling across the windshield. . No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise, without written permission of FCA US LLC.
18-010-26 REV.A2026-03-13. Service bulletin. ELECTRICAL SYSTEM. Flash: Powertrain Control Module (PCM) Updates V2D 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): ● **P2540-00 - Low Pressure Fuel System Sensor Circuit Range/Performance. ● P0506-00 - Idle Control System RPM - Lower Than Expected. ● P20CF-00 - Exhaust Aftertreatment Fuel Injector "A" Stuck Open. ● P20DB-00 - Exhaust Aftertreatment Fuel Supply Control Stuck Open. ● P040B-00 - EGR Temperature Sensor 1 Circuit Performance. ● 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. ● P1191-00-Inlet Air Temperature Sensor Rational/Performance. ● P229F-00 - NOX Sensor Circuit Range/Performance - Bank 1. ● P2281-00 - Air Leak Between MAF And Throttle Body.** ● 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. ● 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. T18 FSAR-TSB-6966 -2- ● P0072-00 - Ambient Air Temperature Sensor Circuit "A" Low. ● P0087-00 - Fuel Rail Pressure Too Low. ● P2543-00 - Low Pressure Fuel System Sen
08-088-26 REV.A2026-03-13. Service bulletin. ELECTRICAL SYSTEM; SEATS; STEERING. Flash: Heating, Ventilation And Cooling (HVAC) Software Updates Customers may experience the following: SYMPTOM: ● Heated seat and/or heated steering wheel are inoperative. . No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise, without written permission of FCA US LLC.
03D Campaign2026-03-05. Other. SERVICE BRAKES; ELECTRICAL SYSTEM. Fleet Campaign Parts Ordering Process (03D)
S2508000036 REV.C2026-03-05. Service bulletin. AIR BAGS. 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
S26230000102026-03-05. Service bulletin. STRUCTURE:BODY; ELECTRICAL SYSTEM. Digital Rearview Mirror Unavailable Service Required Message.
S2609000003 REV.A2026-03-05. Service bulletin. ELECTRICAL SYSTEM. Active Diagnostic Trouble Code (DTC) U3FFF-00 Setting In The PCM
S26210000022026-03-05. Service bulletin. POWER TRAIN. The customer concern is Service Transmission, preventing the engine from shutting off. NOTE: The transmission will actually be in Park and able to hold the vehicle, but the cluster display would indicate Neutral, preventing the engine from shutting off
S26250000022026-03-05. Service bulletin. ELECTRICAL SYSTEM. Malfunction Indicator Lamp (MIL) Illuminated, Diagnostic Trouble Codes (DTCs) P208B, P2D1F, P218F, P202E, P2048, P20E8, Setting In The Powertrain Control Module (PCM)
S268A0000092026-03-05. Service bulletin. ELECTRICAL SYSTEM. Customer States Navigation is Inaccurate, Showing Wrong City or State.
08-088-262026-03-05. Service bulletin. ELECTRICAL SYSTEM. Flash: Heating, Ventilation And Cooling (HVAC) Software Updates Customers may experience the following: SYMPTOM: ● Heated seat and/or heated steering wheel are inoperative. This bulletin involves reprogramming the HVAC with the latest software.
03D Recall - 2.102026-03-05. Other. UNKNOWN OR OTHER. From: FCA REDCACTED CONTENT Sent: Wednesday, February 11, 2026 1:03 PM To FCA REDCACTED CONTENT Subject: FW: PLEASE READ- IMPORTANT- 03D Recall - Launching Today - 2.10 FCA REDCACTED CONTENT List of people and emails that received the recall list: FCA REDCACTED CONTENT Thank you, FCA REDCACTED CONTENT From: FCA REDCACTED CONTENT Sent: Tuesday, February 10, 2026 11:52 AM To: FCA REDCACTED CONTENT Subject: PLEASE READ- IMPORTANT- 03D Recall - Launching Today - 2.10 Please see the attached sheet for those units you have impacted in stock. As soon as more information becomes available I will get that out to you ASAP. 03D - Certain 2025 and 2026 model year equipped with a trailer tow package. •(DT) Ram 1500 Pickup •(DJ) Ram 2500 Pickup •(D2) Ram 3500 Pickup •(DD) Ram 3500 Cab Chassis •(DP) Ram 4500/5500 Cab Chassis •2024 through 2026 model year (KM) Jeep Wagoneer S •2026 model year (KM) Jeep Cherokee vehicles NOTE: The recall units are NOT showing in VOIM properly right now – HQ is aware •VINs show properly on Service, VIN Inquiry, Configurator Any communications regarding Recalls that are sent to multiple Dealer recipients are required to be uploaded to the NHTSA portal. This includes Vin Lists of Unsold and completion % updates. Thank you, FCA REDCACTED CONTENT

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