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Service bulletins for the 2026 Ram 1500

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.

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

By type

By component

By trouble code

By topic

Bulletins, newest first
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
91007632026-02-19. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY. DT Power Running Board Dealer installed Kit (82219228AA and 82219228AB) may require Module Software Update to latest release level. All other parts in Kit are OK. Tech will need to confirm module provided in kit part number and re-flash if not part number 68601712AC. Please reference TSBs 08-007-26 and 08-008-26 for Software re-flash information.
08-067-262026-02-19. 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
18-017-262026-02-12. Service bulletin. ELECTRICAL SYSTEM. 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): ● **P013F-00 - O2 Sensor 2/1 Delayed Response - Lean To Rich Bank. (In Active or Stored status) ● P014A-00 - O2 Sensor 2/2 Delayed Response - Rich to Lean Bank. (In Active or Stored status) ● P013E-00 - O2 Sensor 2/1 Delayed Response - Rich to Lean Bank. (In Active or Stored status)** ● P014B-00 - O2 Sensor 2/2 Delayed Response - Lean To Rich Bank. (In Active or Stored status) ● P06DD-00 - Engine Oil Pressure Control Circuit Performance/Stuck Off.(In Active or Stored status) ● P0073-00 - Ambient Air Temperature Sensor Circuit "A" High. (In Active or Stored status) ● P0071-00 - Ambient Air Temperature Sensor Performance. (In Active or Stored status) ● P2C90-00 - Crankcase Ventilation System - Hose "A" Disconnected. (In Active or Stored status) ● P1CEA-00 - Boost Side EVAP Purge System Performance. (In Active or Stored status) ● P05BD-00 - Stop-Start Mode Switch Range/Performance. (In Active or Stored status) ● P00C6-00 - Fuel Rail Pressure Too Low - Engine Cranking. (In Active or Stored status) ● U0673-00 - Lost Communication With Ion Sense Module.(In Active or Stored status) Customers may also comment on the following: ● Rough running engine. This bulletin involves inspecting and possibly reprogramming the PCM with the latest available software.
S2508000076 REV.B2026-02-12. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY. Power Side Steps May Deploy and Retract While the Vehicle is in Motion
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.
S2523000044 REV.A2026-02-12. Service bulletin. STRUCTURE:BODY. Whistling Noise From Left Side Exterior Mirror Area While Driving.
S26070000022026-02-12. Service bulletin. ENGINE. Hemi Water Pump Coolant Leak Inspection
S2508000076 REV.A2026-02-04. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY. Power Side Steps May Deploy and Retract While the Vehicle is in Motion
08-025-262026-02-04. Service bulletin. ELECTRICAL SYSTEM. Flash: Instrument Panel Cluster (IPC) Updates Customers may experience the following: ● Fuel and temperature gauges are not reading from zero before vehicle start up and ignition off. NOTE: The low fuel indicator will correctly identify a low fuel level warning if fuel level decreases to the calibrated level. This bulletin involves reprogramming the IPC with the latest available software.
1097272026-01-28. Service bulletin. ENGINE. Water Pump & Chain Case Cover
1097242026-01-28. Service bulletin. ENGINE. Water Pump & Chain Case Cover
1094192026-01-28. Service bulletin. ELECTRICAL SYSTEM. SPEAKER – NONE
S2308000120 REV.E2026-01-21. Service bulletin. ELECTRICAL SYSTEM. Rain Sensing Auto Wipers and Auto on Head Lamps Inoperative. Rain Sensor Internal Failure.
1091522026-01-21. Service bulletin. UNKNOWN OR OTHER. CORE – HEATER
1091532026-01-21. Service bulletin. UNKNOWN OR OTHER. CORE – HEATER
08-012-262026-01-21. Service bulletin. ELECTRICAL SYSTEM. Speaker Diagnostic Procedure Rattle, buzz and squeak coming from specific speakers.
08-009-262026-01-21. Service bulletin. UNKNOWN OR OTHER. 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.
91007372026-01-14. Service bulletin. ELECTRICAL SYSTEM. O2 Sensor Rear Bank Downstream Please check applicable TSBs / RSUs for PCM flashes before replacing O2 sensors - such as TSB 08-357-25 / RSU 25-223 for 26MY DT SO.
08-008-262026-01-14. Service bulletin. STRUCTURE:BODY. Flash: Power Side Step Module (PSSM) Updates Customers may experience the following: ● Deploy and retraction of the steps while the vehicle is in motion or while driving. This bulletin involves reprogramming the PSSM with the latest available software.
1090112025-12-23. Service bulletin. POWER TRAIN. VALVE BODY & CONTROL UNIT – TRANSMISSION
S2508000083 REV.A2025-12-23. Service bulletin. ELECTRICAL SYSTEM. Keyless Ignition Node (KIN) Sets Diagnostic Trouble Codes (DTCs) B1A7D-2A, U103C-00, or B1A7D-01, P05BD-00
S25210000072025-12-23. Service bulletin. ELECTRICAL SYSTEM. P0607 stored in the ESM (Electronic Shifter Module)

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