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.

• 11031690Apr 24, 2026Suspension. Excessive Payload Message In Cluster Display Appears Even After Owner Removes The Cargo.
• 11031679Apr 23, 2026Body and structure, Electrical system. Power Tailgate Latch Will Not Open Or Close, Tailgate Ajar Light On When Tailgate Is Close Customers may experience one or more of the following: ● Power tailgate not opening or closing intermittently. ● Tailgate is hard to open or close. ● 'Tailgate Ajar' light on in the Instrument Panel Cluster (IPC) when the tailgate is closed. ● Diagnostic Trouble Code (DTC) stored for tailgate latch switches causing…
• 11031688Apr 22, 2026Body and structure, Electrical system. Door Latch, Handle And Ajar Additional Service Information.
• 11031686Apr 22, 2026Body and structure. Power Tailgate Not Closing, Not Opening, Inoperative, Incorrect Ajar Status On Cluster.
• 11031472Apr 17, 2026Electrical system. High Beams Will Not Stay On When Turn Stalk Is Pressed Forward
• 11031470Apr 17, 2026Seats. Front Seat Massage Function Inoperative.
• 11031469Apr 17, 2026Steering, Electrical system. Heated Steering Wheel Operates Intermittently
• 11031468Apr 17, 2026Electrical system. New Key Will Not Program, 0x22 Scan Tool Error
• 11031426Apr 16, 2026Electrical system. Flash: Radio Frequency Hub Module (RFHM) Updates Customer may experience the following: SYMPTOM: ● **Excessive Ignition Off Draw (IOD) on 12v vehicle battery if keys are left within proximity range.** This bulletin involves inspecting and possibly reprogramming the RFHM module with the latest available software.
• 11031465Apr 15, 2026Electrical system. Truck Bed or Ram Box 400W Power Outlets Inoperative.
• 11031429Apr 15, 2026Electrical system, Steering. Flash: Electric Power Steering (EPS) Module Updates Customers may experience the following: SYMPTOM: ● Battery drain with ignition off. This bulletin involves reprogramming the EPS module with the latest available software.
• 11031464Apr 14, 2026Electrical system, Fuel system. Instrument Cluster Fuel and Coolant Temperature Gauge Do Not Reset To The Home Position And Show Incorrect Values
• 11031461Apr 14, 2026Electrical system. WARNING: Shorting the 48V output stud to the 12V output stud can cause immediate and irreversible damage to the power pack unit. Always use insulated tools and protective stud covers when performing service operations. NOTE: A loose or high resistance ground connection may result in abnormal voltage behavior and can increase the risk of electrical component damage. Always verify ground integrity before system power…
• 11031459Apr 14, 2026Electrical system. If the 12v power outlet is inoperable or appears to have over heated, please confirm with the customer by asking the following questions: 1.- Which device was connected to the outlet when or before the issue appeared 2.- For how long was the device connected before the power outlet stopped working?
• 11031475Apr 13, 2026Body and structure. Handle - exterior door
• 11031474Apr 13, 2026Body and structure. Handle - exterior door
• 11031473Apr 13, 2026Other or unknown. Line - a/c suction and liquid
• 11031339Apr 10, 2026Lane departure. U0422-00 Implausible Data From BCM Set In Central ADAS Decision Module (CADM).
• 11031324Apr 10, 2026Electrical system. Flash: Central Vision Advanced Driver 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): ? B128E-92-PTS - Sensor-1-Performance O
• 11031323Apr 9, 2026Electrical system. R1H Radio USB Update to U39P.2 Customers may experience one or more of the following: SYMPTOM: ? Navigation highly inaccurate. ? Compass intermittently shows "--" in cluster. ? Navigation stuck at the same location. ? Screen OFF hard key inoperative. This
• 11031482Apr 8, 2026Engine. Cover - cylinder head
• 11031481Apr 8, 2026Engine. Cover - cylinder head
• 11031480Apr 8, 2026Body and structure. Cooler - auxiliary low temperature
• 11031341Apr 8, 2026Electrical system, Fuel system. Instrument Cluster Fuel and Coolant Temperature Gauge Do Not Reset To The Home Position And Show Incorrect Values
• 11031477Apr 7, 2026Electrical system, Body and structure. Thermostat – none
• 11031476Apr 7, 2026Electrical system, Body and structure. Thermostat – none
• 11031333Apr 7, 2026Engine. Camshaft cap bolts within the cylinder head assembly may cause damage to other components. DO NOT replace entire long block when only left OR right cylinder heads need to be replaced.
• 11031331Apr 7, 2026Electrical system. Please review all wiring Connectors for latches between Latch and PTGM and Middle Connector to make sure they fully seated and Connectors are clipped in. No Latch to be replaced for stored DTCs. DTCs trigger due to loose connectors. Unplug and plug connectors back and clear DTCs and check the system.
• 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. .
• 11031241Apr 1, 2026Body and structure. Outside Power Fold Rearview Mirror Noise Or Loose At Pivot. Mirror Contacts Door Window Glass In The Folded Position.
• 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…
• 11030419Mar 28, 2026Electrical system. Flash: Radio Frequency Hub Module (RFHM) Updates Customer may experience the following: SYMPTOM: ● 12V vehicle battery dies if keys are left within proximity range. This bulletin involves inspecting and possibly reprogramming the RFHM module with the latest available software.
• 11030437Mar 27, 2026Electrical system. Radio Remains On After Ignition Off
• 11030429Mar 27, 2026Body and structure. Intermittent Unintended Wiper Swipe While Driving
• 11030427Mar 26, 2026Engine. Before replacing the water pump on 3.0L SO/HO, please follow the updated WATER PUMP INSPECTION diagnostic procedure to confirm the leak persists "09 - Engine, 3.0L GMET6 / Cooling System / Engine Cooling / Diagnosis and Testing / COOLING SYSTEM LEAKS"
• 11030426Mar 26, 2026Engine. Before replacing the water pump on 3.0L SO/HO, please follow the updated WATER PUMP INSPECTION diagnostic procedure to confirm the leak persists "09 - Engine, 3.0L GMET6 / Cooling System / Engine Cooling / Diagnosis and Testing / COOLING SYSTEM LEAKS"
• 11030424Mar 24, 2026Body and structure. Incorrect Grille Installed Customers may comment on the following: SYMPTOM: ● The grille on the vehicle is chrome but should be black Fig. 1. This bulletin involves inspecting and possibly replacing the grille and nameplate.
• 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…
• 11030266Mar 19, 2026Seats, Electrical system. 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
• 11030248Mar 19, 2026Engine. Blocked Make-Up Air (MUA) Solenoid Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set the following Diagnostic Trouble Code (DTC): ● P051B-00 - Crankcase Pressure Sensor Circuit Range/performance. This bulletin involves replacing the clean air duct assembly.
• 11030223Mar 19, 2026Engine. Blocked Make-Up Air (MUA) Solenoid Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set the following Diagnostic Trouble Code (DTC): ● P051B-00 - Crankcase Pressure Sensor Circuit Range/performance. This bulletin involves replacing the clean air duct assembly.
• 11030143Mar 13, 2026Other or unknown. Park Assist is Disabled and The Module is Setting One or More of the Following Diagnostic Trouble Codes (DTCs) for "Performance or Incorrect Operation"
• 11030142Mar 13, 2026Other or unknown. Central ADAS Decision Module (CADM) Diagnostic Trouble Codes C00C0-4A, C00C1-4A, C00C5-4A.
• 11030141Mar 10, 2026Electrical system. Vehicle Does Not Respond to Lock/Unlock Button Presses from The Keyfob and “Key Not Detected” Message is Displayed on the Cluster When Attempting To Start The Vehicle With KIN press, No Start No Crank.
• 11030135Mar 10, 2026Body and structure. SPAT - BOX SIDE
• 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.
• 11030133Mar 9, 2026Body and structure. SPAT - BOX SIDE
• 11030048Mar 6, 2026Electrical system. Window Switch Feels Loose In The Door Trim Panel.
• 11030047Mar 6, 2026Brakes. Whoosh Or Click Noise Heard From Brake Assembly eBooster When Pressing Brake Pedal And After A Recent Repair.

← All problems reported for the 2026 Ram 1500