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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
S2508000078 REV.A2025-12-23. Service bulletin. ELECTRICAL SYSTEM. Ambient Temperature Readings Incorrect After a Heat Soak
S258A0000252025-12-23. Service bulletin. ELECTRICAL SYSTEM. Customer states Navigation is inaccurate, showing in wrong city or state.
23-044-252025-12-17. Service bulletin. STRUCTURE:BODY; ELECTRICAL SYSTEM. Right Headlamp Not Properly Aimed Customers may comment on the following: ● Right headlamp aimed too high. This bulletin involves inspecting and possibly adjusting the right front headlamp aim.
18-106-252025-12-17. Service bulletin. ENGINE; ELECTRICAL SYSTEM. Flash: Powertrain Control Module (PCM) Updates 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): ● P2C90-00 - Crankcase Ventilation System - Hose "A" Disconnected (In Active or Stored status). ● P0111-00 - Intake Air Temperature Sensor 1 Circuit Performance (In Active or Stored status). ● P0071-00 - Ambient Air Temperature Sensor Performance (In Active or Stored status). ● P0073-00 - Ambient Air Temperature Sensor Circuit "A" High (In Active or Stored status). ● U0673-00 - Lost Communication With Ion Sense Module (In Active or Stored status). ● P06DD-00 - Engine Oil Pressure Control Circuit Performance/Stuck Off (In Active or Stored status). ● P1CEA-00 - Boost Side EVAP Purge System Performance (In Active or Stored status). ● P0E7E-00 - Coolant Bypass Valve B Control Circuit (In Active or Stored status). Customers may also experience the following: ● High oil level indicator illuminated on the Instrument Panel Cluster (IPC). This bulletin involves inspecting and possibly reprogramming the PCM with the latest available software
08-394-25 REV. A2025-12-17. Service bulletin. ELECTRICAL SYSTEM. Telematics Box Module (TBM) Backup Battery Replacement When DTC B1E21 Is Present Technicians may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set the following Diagnostic Trouble Code (DTC): ● B1E21-96 - Backup Battery Component Internal Failure.
91007392025-12-17. Service bulletin. AIR BAGS. Please ensure vehicle voltage is within specified limits. Most faults will store after an ignition cycle if the vehicle voltage is within specified limits. Check TERMINAL RETENTION ON CONNECTOR C1 PIN 11, CIRCUT D 282 CAN FD+_2 and repair any loose connection. For Loss OF Communication faults, please follow the diagnostic service routine in Service Library and confirm these steps before ORC replacement. Reference Service Library Section 28 - DTC-Based Diagnostics / MODULE, Body Control (BCM) / Diagnosis and Testing / U0151-00-LOST COMMUNICATION WITH RESTRAINTS CONTROL MODULE. The Standard Procedure / COMMUNICATION DIAGNOSTIC PROCEDURE must be performed before replacing any component(s) or module(s). AT A MINIMUM THESE PROCEEDURES MUST BE CHECKED: 1). (Refer to 28 - DTC-Based Diagnostics/MODULE, Body Control (BCM) / Standard Procedure). 2). COMMUNICATIONS DIAGNOSTIC PROCEDURE - LOSS OF COMMUNICATION DIAGNOSTIC PROCEDURE
91007342025-12-17. Service bulletin. ELECTRICAL SYSTEM. If the DTC B1E21-96: Backup Battery-Component Internal Failure is active and customer states Popup message will show at the radio: "Battery of Uconnect Box requires service. SOS call and related functions may be unavailable. Please visit an authorized dealer." PLEASE do not Replace the TBM module, only replace TBM Internal Battery (inside Telematics Box Module) and order PN68493347
91007352025-12-17. Service bulletin. ELECTRICAL SYSTEM. Verify "Z" part number availability. Order a "Z" part number for all Exchange Orders: Warranty, Mopar, Customer pay and Service contract. Order"68" part number for New unsold units only
9100730 Rev 12025-12-17. Service bulletin. ELECTRICAL SYSTEM. The ambient temperature sensor mounted on the mirror may read higher than expected, sensor must NOT be removed before reviewing the following cases. There are two cases: 1) DTC codes are present, proceed according to the following TSBs: 1.1) 18-031-25 (25 MY DT with DTC: P0071-00 & P0073-00) 1.2) 18-032-25 (25 MY DT with DTC: P0071-00 & P0073-00 for vehicles built on or after July 01, 2024 and before July 29, 2025) 1.3) 08-357-25 (26 MY DT with DTC: P0071-00 & P0073-00) 2) No DTC codes are present, but temperature shown in the cluster/radio is higher than expected, proceed according to SOL S2508000078. To allow the sensor to update properly, drive the vehicle at highway speeds (above 20 MPH) for several miles (15 minutes). This ensures sufficient airflow and temperature sampling for accurate readings. If the temperature still does not update, proceed with standard diagnostic procedures.
9100463REV12025-12-17. Service bulletin. ELECTRICAL SYSTEM. 2024-2025 DT with DTC P0070 OR P0073 If Mirror Ambient Temperature Sensor (AATS) isnot reading temp correctly or setting DTC P0073, P0070 - allow the sensor to updateproperly by driving the vehicle at highway speeds (above 20 MPH) for several miles (15minutes). This ensures sufficient airflow and temperature sampling for accurate readings. If the temperature still does not update, proceed with standard diagnostic procedures. 2025-2026 DT with DTC P0071 AND P0073 (vehicles built on or between 07/01/2025 -07/29/2025 - If BOTH DTCs are present, before replacing the sensor, refer to the latest TSBin Service Library for additional repair procedure(s). - If NO DTC is present, but temperatureshown in the cluster/radio is higher than expected, allow the sensor to update properly bydriving the vehicle at highway speeds (above 20 MPH) for several miles (15 minutes). Thisensures sufficient airflow and temperature sampling for accurate readings. If thetemperature still does not update, proceed with standard diagnostic procedures.
S25230000952025-12-17. Service bulletin. STRUCTURE:BODY. U0285-00-LOST COMMUNICATION WITH ACTIVE GRILLE AIR SHUTTER MODULE B. P05AE-00-ACTIVE GRILL AIR SHUTTER B PERFORMANCE/STUCK OFF.
S25080001072025-12-17. Service bulletin. SEATS. Comfort Seat Module (CSM) or Comfort Steering Wheel Module (CSWM) do Not Operate
S258A0000232025-12-17. Service bulletin. ELECTRICAL SYSTEM. Intermittent Audio, No Audio, Distorted Audio
S25230000902025-12-17. Service bulletin. STRUCTURE:BODY. MOPAR Bed Divider Kit Missing Lock Cylinder
S25050000032025-12-17. Service bulletin. SERVICE BRAKES. Diagnostic Trouble Code (DTC) C0050-00-Brake System Hydraulic Leak Set After Recent Repair.
S25230000912025-12-17. Service bulletin. SERVICE BRAKES. Antilock Brake (ABS) Light On. Intermittent Or Implausible Wheel Speed Sensor Signal Diagnostic Trouble Codes (DTCs)
1090362025-12-17. Service bulletin. POWER TRAIN. SHIFTER - TRANSMISSION
1090352025-12-17. Service bulletin. POWER TRAIN. SHIFTER - TRANSMISSION
1089532025-12-11. Service bulletin. UNKNOWN OR OTHER. DUCT - CLEAN AIR
1088862025-12-11. Service bulletin. ELECTRICAL SYSTEM. SENSOR - ACCELERATION
1087902025-12-11. Service bulletin. ELECTRICAL SYSTEM. SWITCH - MULTIFUNCTION
1087892025-12-11. Service bulletin. ELECTRICAL SYSTEM. SWITCH - MULTIFUNCTION
1085452025-12-11. Service bulletin. ELECTRICAL SYSTEM. SWITCH - SEAT 24 WAY
1085432025-12-11. Service bulletin. POWER TRAIN. SHIFTER - TRANSMISSION
90C Combo Rev12025-12-11. Service campaign. ENGINE. CUSTOMER SATISFACTION NOTIFICATION NORTH AMERICA 90C Purge Valve Hose

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