2026 Ram 1500 Technical Service Bulletins

349 technical service bulletins (TSBs) are on record for the 2026 Ram 1500. 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.

• 11027736Jan 16, 2026Electrical system. Rain Sensing Auto Wipers and Auto on Head Lamps Inoperative. Rain Sensor Internal Failure.
• 11027727Jan 16, 2026Electrical system. Speaker Diagnostic Procedure Rattle, buzz and squeak coming from specific speakers.
• 11027733Jan 13, 2026Other or unknown. CORE – HEATER
• 11027732Jan 13, 2026Other or unknown. CORE – HEATER
• 11027724Jan 13, 2026Other or unknown. 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.
• 11027639Jan 10, 2026Body and structure. 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.
• 11027643Jan 5, 2026Electrical 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.
• 11026811Dec 18, 2025Electrical system. Keyless Ignition Node (KIN) Sets Diagnostic Trouble Codes (DTCs) B1A7D-2A, U103C-00, or B1A7D-01, P05BD-00
• 11026815Dec 17, 2025Transmission and drivetrain. Valve body & control unit – transmission
• 11026808Dec 17, 2025Electrical system. P0607 stored in the ESM (Electronic Shifter Module)
• 11026807Dec 17, 2025Electrical system. Ambient Temperature Readings Incorrect After a Heat Soak
• 11026806Dec 17, 2025Electrical system. Customer states Navigation is inaccurate, showing in wrong city or state.
• 11026688Dec 12, 2025Electrical system, Body and structure. 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.
• 11026684Dec 12, 2025Electrical system, Engine. 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…
• 11026677Dec 12, 2025Electrical 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.
• 11026644Dec 12, 2025Body and structure. U0285-00-lost communication with active grille air shutter module b. P05ae-00-active grill air shutter b performance/stuck off.
• 11026642Dec 12, 2025Seats. Comfort Seat Module (CSM) or Comfort Steering Wheel Module (CSWM) do Not Operate
• 11026662Dec 10, 2025Air 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.
• 11026660Dec 10, 2025Electrical 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
• 11026651Dec 10, 2025Electrical 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
• 11026647Dec 10, 2025Electrical system. The ambient temperature sensor mounted on the mirror may read higher than expected, sensor must NOT be removed before reviewing the following cases.
• 11026637Dec 10, 2025Electrical system. Intermittent Audio, No Audio, Distorted Audio
• 11026636Dec 10, 2025Body and structure. MOPAR Bed Divider Kit Missing Lock Cylinder
• 11026634Dec 10, 2025Brakes. Diagnostic Trouble Code (DTC) C0050-00-Brake System Hydraulic Leak Set After Recent Repair.
• 11026632Dec 10, 2025Brakes. Antilock Brake (ABS) Light On. Intermittent Or Implausible Wheel Speed Sensor Signal Diagnostic Trouble Codes (DTCs)
• 11026628Dec 10, 2025Transmission and drivetrain. Shifter - transmission
• 11026627Dec 10, 2025Transmission and drivetrain. Shifter - transmission
• 11026646Dec 9, 2025Electrical 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…
• 11026550Dec 6, 2025Body and structure. Water Leak At Center High Mounted Stop Lamp (CHMSL) Customers may experience one or more of the following: ● Water on the headliner. ● Water at the back of the cab. ● A leak from the third brake/cargo light/CHMSL
• 11026586Dec 5, 2025Other or unknown. DUCT - CLEAN AIR
• 11026559Dec 5, 2025Body and structure, Electrical system. No Audio Or No Sound From Door Speaker
• 11026556Dec 5, 2025Fuel system. The customer’s complaint may include a message appearing in the cluster’s information center stating, “See User’s Manual For Proper Oil And Fuel” or “Service Engine See Dealer”. The customer may also mention a “low power” complaint.
• 11026549Dec 5, 2025Electrical system. Telematics Box Module (TBM) Backup Battery Replacement When DTC B1E21 Is Present echnicians 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
• 11026583Dec 4, 2025Electrical system. Sensor - acceleration
• 11026564Dec 4, 2025Engine. CUSTOMER SATISFACTION NOTIFICATION NORTH AMERICA 90C Purge Valve Hose
• 11026552Dec 3, 2025Electrical system. Diagnostic Trouble Code (DTC) B15A1-00 Media Port Connection 1 Connection Found Set.
• 11026574Dec 2, 2025Electrical system. Switch - multifunction
• 11026573Dec 2, 2025Electrical system. Switch - multifunction
• 11026569Dec 1, 2025Electrical system. Switch - seat 24 way
• 11026567Dec 1, 2025Transmission and drivetrain. Shifter - transmission
• 11026551Dec 1, 2025Suspension. Lower Ball Joint / Lower Control Arm Servicing Updates.
• 11025728Nov 19, 2025Electrical system. The ambient temperature sensor mounted on the mirror may read higher than expected, sensor must NOT be removed before reviewing the following cases.
• 11025643Nov 15, 2025Body and structure. Upper Glove Box Will not Close Correctly or May Have a Scraping Noise While Opening or Closing
• 11025641Nov 14, 2025Electrical system. No Wireless Charging Or Slow Wireless Charging
• 11025723Nov 13, 2025Other or unknown. Detector - evaporative system integrity module
• 11025722Nov 13, 2025Other or unknown. Detector - evaporative system integrity module
• 11025638Nov 10, 2025Body and structure. If you receive a customer complaint regarding a missing Bed Divider Lock Cylinder on DT vehicles, do NOT install the part. This component is not part of the equipment for DT models since 2022 model year. Parts for Reference (Do NOT install): PN 68312242AE PN 68438041AA
• 11025519Nov 7, 2025Electrical system. If returning multiple sensors, please label the back of the sensors with a letter and refer to that letter in your dealer narrative. This will help us understand which sensors had what concern.
• 11025512Nov 6, 2025Electrical system. Intermittent Uconnect Box Requires Service Message. TBM Setting Stored Or Pending DTCs B22A9, B1560, B1561, B1562
• 11025507Nov 6, 2025Other or unknown. CORE - HEATER

← All problems reported for the 2026 Ram 1500