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Service bulletins for the 2025 Ram 3500

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.

355 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Bulletins, newest first
S26250000032026-04-10. Service bulletin. ELECTRICAL SYSTEM. Active/Pending Diagnostic Trouble Code (DTC) P24A0, P2482, P2481, P0420, P2470, P2471, P2472, P242D, P242B, P244D, P1484, P106D, P1060 And/or P354B Setting In The Powertrain Control Module (PCM)
S2525000002 REV.B2026-04-10. Service bulletin. UNKNOWN OR OTHER. Diesel Exhaust Fluid (DEF) Gauge Fluctuates Or Is Erratic. Diagnostic Trouble Code (DTC) P203F – Reductant Level Too Low.
S2514000002 REV.A2026-04-10. Service bulletin. ENGINE; FUEL/PROPULSION SYSTEM. P2540 Diagnostic Trouble Code (DTC) and Longer Than Expected, Extended Crank Time After Fuel Level Run Too Low or After Fuel Filter/System Servicing
08-143-262026-04-10. Service bulletin. ELECTRICAL SYSTEM. Traffic Sign Assist Unavailable – Service Required The customer may experience one or more of the following: SYMPTOM: ● “Traffic Sign Assist Unavailable – Service Required” message and icon displays on the Instrument Panel Cluster (IPC). This occurs after a remote start and typically at the first start of the day. ● The Odometer flashes when the traffic alert message is active. . 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.
08-142-262026-04-10. Service bulletin. ELECTRICAL SYSTEM. R1H Radio USB Update to U40.20 Customers may experience one or more of the following: SYMPTOM: ● Incorrect phone listed on passenger display. ● Navigation widget black/stuck at loading. ● Apple carplay icon not present during carplay session. ● Diesel exhaust brake indicator is yellow/on when starting the vehicle even though the exhaust brake was set to OFF when vehicle ignition was turned off. ● Brake soft button in on position. ● Press and hold button stuck. ● Articulation graphic not updated. ● Icon overlap in status bar. ● Pressure in trailer tires set at zero psi. ● Compass intermittently shows "--" in cluster. ● Navigation stuck at same location. This bulletin involves inspecting and if required, updating the radio software level to U40.20.
S268A0000112026-04-01. Service bulletin. ELECTRICAL SYSTEM. Radio Remains On After Ignition Off
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.
1105902026-03-25. Service bulletin. UNKNOWN OR OTHER. INJECTOR - DIESEL EXHAUST FLUID and CLAMP - EXHAUST
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.
S2621000003 REV.A2026-03-18. Service bulletin. POWER TRAIN. The vehicle will exhibit a service transmission/check engine warning indicator for the following transmission models: 845RE, 8HP45, 850RE, 8HP50, 8HP70, 8HP75, 8HP75-PHEV, 8HP75-LCV, 8HP90, 8HP95. Transmissions may exhibit the following diagnostic codes: P07E4, P1DB2, P0716, P1B14, P0733, P1D90, P1DB7, P1B13.
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.
14-001-262026-03-18. Service bulletin. ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. Fuel Leaking From Fuel Heater Harness Connector Customers may comment on the following: SYMPTOM: ● Fuel is leaking. This bulletin involves inspecting and possibly replacing the fuel heater.
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
1105992026-03-13. Service bulletin. ELECTRICAL SYSTEM. SPEAKER - NONE
1106002026-03-13. 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.

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