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Service bulletins for the 2026 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.

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

By type

By component

By trouble code

Bulletins, newest first
08-018-26 REV. A2026-05-06. 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 inspecting and possibly reprogramming of the RFHM with the latest available software
S2308000034 REV.B2026-04-29. Service bulletin. ELECTRICAL SYSTEM. No Wireless Charging Or Slow Wireless Charging
91008032026-04-29. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY. 1) If the fog lamp contains moisture, do not replace it immediately. Turn the fog lamp on for one hour and inspect it afterward. Refer to 23-008-25 Rev.A. Exterior Front Lamps Condensation Clearing Procedure for details. 2) If the fog lamp(s) do not light. Refer to Star Online Publication S2523000085 for details.
08-171-262026-04-29. Service bulletin. UNKNOWN OR OTHER. Loss Of Cabin Heating 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): ● U0615 - Lost Communication With Engine Coolant Bypass Valve "A". ● U11E9 - Lost Communication With AGS. Customer may also comment on the following: ● Loss of cabin heating This bulletin involves applying grease to the 3 way valves wire harness connector or, if necessary, the replacement of both the wire harness and the 3 way valve
1114012026-04-22. Service bulletin. STEERING. MODULE - STEERING CONTROL
1111262026-04-22. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY. SENSOR - EXHAUST TEMPERATURE
S2508000109 REV.A2026-04-22. Service bulletin. ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. Instrument Cluster Fuel and Coolant Temperature Gauge Do Not Reset To The Home Position And Show Incorrect Values
14-004-262026-04-22. Service bulletin. FUEL/PROPULSION SYSTEM. Water In Fuel (WIF) Indicator Light Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set the following Diagnostic Trouble Code (DTC): ● P2269-00 - Water In Fuel Condition. This bulletin involves draining the WIF separator and swapping the WIF sensor signal and ground terminals within the harness connector from their original positions.
S25080001092026-04-15. Service bulletin. FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. Instrument Cluster Fuel and Coolant Temperature Gauge Do Not Reset To The Home Position And Show Incorrect Values
21-029-262026-04-15. Service bulletin. POWER TRAIN. Flash: Transmission Control Module (TCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ? P0826-00 - Up/Down Shift Sw
08-144-262026-04-15. Service bulletin. ELECTRICAL SYSTEM. Global Telematics Box Module (TBM) 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
S1623000028 REV.H2026-04-10. Service bulletin. STRUCTURE:BODY. Outside Power Fold Rearview Mirror Noise Or Loose At Pivot. Mirror Contacts Door Window Glass In The Folded Position.
S26250000042026-04-10. Service bulletin. ELECTRICAL SYSTEM. Active/Pending Diagnostic Trouble Code (DTC) P24A0, P2482, P2481, P0420, P2470, P2471, P2472, P242D, P242B, P244D, P1484 And/or P214D setting In The Powertrain Control Module (PCM)
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
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

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