2026 Ram 2500 Technical Service Bulletins

228 technical service bulletins (TSBs) are on record for the 2026 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.

• 11031693Apr 24, 2026Electrical system. No Wireless Charging Or Slow Wireless Charging
• 11031686Apr 22, 2026Body and structure. Power Tailgate Not Closing, Not Opening, Inoperative, Incorrect Ajar Status On Cluster.
• 11031683Apr 22, 2026Electrical system, Body and structure. 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.
• 11031666Apr 21, 2026Other or unknown. 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.
• 11031447Apr 16, 2026Fuel 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.
• 11031464Apr 14, 2026Fuel system, Electrical system. Instrument Cluster Fuel and Coolant Temperature Gauge Do Not Reset To The Home Position And Show Incorrect Values
• 11031484Apr 9, 2026Steering. Module - steering control
• 11031341Apr 8, 2026Fuel system, Electrical system. Instrument Cluster Fuel and Coolant Temperature Gauge Do Not Reset To The Home Position And Show Incorrect Values
• 11031330Apr 8, 2026Transmission and drivetrain. 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
• 11031479Apr 7, 2026Electrical system, Body and structure. Sensor - exhaust temperature
• 11031321Apr 7, 2026Electrical 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
• 11031224Apr 3, 2026Electrical 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. .
• 11031223Apr 2, 2026Electrical 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…
• 11031241Apr 1, 2026Body and structure. Outside Power Fold Rearview Mirror Noise Or Loose At Pivot. Mirror Contacts Door Window Glass In The Folded Position.
• 11031237Mar 31, 2026Electrical 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)
• 11031236Mar 31, 2026Other or unknown. Diesel Exhaust Fluid (DEF) Gauge Fluctuates Or Is Erratic. Diagnostic Trouble Code (DTC) P203F – Reductant Level Too Low.
• 11031235Mar 31, 2026Fuel system, Engine. P2540 Diagnostic Trouble Code (DTC) and Longer Than Expected, Extended Crank Time After Fuel Level Run Too Low or After Fuel Filter/System Servicing
• 11031247Mar 30, 2026Electrical system. TBM2.0H Setting U0080-00. Do not replace TBM ECU or SGW. Under certain conditions, SGW Module may take longer to establish Ethernet communication after boot up. If it takes longer than 30 seconds, The TBM2.0H module will set DTC U0080 - Ethernet Bus 1. As soon as SGW responds, the TBM2.0H will demature the DTC and move it to STORED. This issue should not cause any customer related symptoms. Do not replace the…
• 11030437Mar 27, 2026Electrical system. Radio Remains On After Ignition Off
• 11030430Mar 27, 2026Transmission and drivetrain, Engine. Check Engine Light (CEL) Illuminated Diagnostic Trouble Code (DTC) P0381-00 Wait to Start Lamp Inoperative
• 11030414Mar 24, 2026Electrical 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. .
• 11030229Mar 21, 2026Engine. 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…
• 11030258Mar 20, 2026Other or unknown. INJECTOR - DIESEL EXHAUST FLUID and CLAMP - EXHAUST
• 11030266Mar 19, 2026Electrical 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
• 11030263Mar 19, 2026Engine. 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.
• 11030142Mar 13, 2026Other or unknown. Central ADAS Decision Module (CADM) Diagnostic Trouble Codes C00C0-4A, C00C1-4A, C00C5-4A.
• 11030129Mar 10, 2026Engine. Technical Service Bulletin (TSB) 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.
• 11030147Mar 9, 2026Suspension. WL & DJ Disengaging Stabilizer Bar Front [SHG] Follow procedure in SOL s2602000001 before replacing Smart Stabilizer Bar Assembly
• 11030139Mar 9, 2026Electrical system. Vehicle Shifter Will Not Shift Out Of Park.
• 11030138Mar 9, 2026Transmission and drivetrain. 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.
• 11029996Mar 7, 2026Electrical system. 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.
• 11030044Mar 6, 2026Electrical system, Suspension. Service Electric Sway Bar Lamp On In Cluster. Diagnostic Trouble Code (DTC) C008E-00 In Auto Sway Bar (ASBS)
• 11030042Mar 5, 2026Electrical 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)
• 11030039Mar 5, 2026Electrical system. Active/Pending Diagnostic Trouble Code (DTC) P208B And/or P20E8 Setting In The Powertrain Control Module (PCM)
• 11030035Mar 4, 2026Electrical system. Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor (IBS) State of Charge (SOC) Inaccurate, Battery Charging Message, Presence of IBS related Diagnostic Trouble Codes (DTCs), or Battery Warning Lamp On
• 11030015Mar 4, 2026Body and structure. 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.
• 11030026Mar 3, 2026Electrical system. SPEAKER - NONE
• 11030025Mar 3, 2026Electrical system. SPEAKER - NONE
• 11030024Mar 3, 2026Electrical system. SPEAKER - NONE
• 11030023Mar 3, 2026Electrical system. SPEAKER - NONE
• 11029780Feb 28, 2026Body and structure, Electrical system. Digital Rearview Mirror Unavailable Service Required Message.
• 11029753Feb 28, 2026Electrical 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.
• 11029777Feb 27, 2026Electrical system. Active Diagnostic Trouble Code (DTC) U3FFF-00 Setting In The PCM
• 11029772Feb 26, 2026Electrical system. Malfunction Indicator Lamp (MIL) Illuminated, Diagnostic Trouble Codes (DTCs) P208B, P2D1F, P218F, P202E, P2048, P20E8, Setting In The Powertrain Control Module (PCM)
• 11029785Feb 25, 2026Electrical system, Brakes. Fleet Campaign Parts Ordering Process (03D)
• 11029773Feb 25, 2026Transmission and drivetrain. 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
• 11029771Feb 25, 2026Electrical system. Customer States Navigation is Inaccurate, Showing Wrong City or State.
• 11029705Feb 21, 2026Electrical system. Harman R1H Uconnect 5 Radio Software Flash Error Codes
• 11029672Feb 21, 2026Electrical 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. ●…
• 11029709Feb 19, 2026Body and structure. Bezel - media port

← All problems reported for the 2026 Ram 2500