2026 Ram 3500 Technical Service Bulletins

247 technical service bulletins (TSBs) are on record for the 2026 Ram 3500. 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.

• 11035079Jul 7, 2026Engine. VALVE KIT – EGR and VALVE - EGR BYPASS
• 11035086Jul 6, 2026Transmission and drivetrain, Electrical system. Vehicle Shifter Will Not Shift Out Of Park.
• 11035075Jul 6, 2026Other or unknown. CORE – HEATER
• 11035074Jul 6, 2026Other or unknown. CORE – HEATER
• 11035065Jul 6, 2026Electrical system, Body and structure. Front Fog Lamp RT 1) If the 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.
• 11035064Jul 6, 2026Fuel system. Fuel Delivery Module Before replacing the fuel module for DTCs P0461 and P062A and other not start, long crank, fuel gauge accuracy and drivability issues, the technician should disconnect the electrical connector at the pump and perform a visual inspection of the connector for and bent, spread, or pushed out terminals. Repair any issues found. Reconnect the plug and perform a push pull push to ensure the connector…
• 11035062Jul 6, 2026Body and structure, Electrical system. SWITCH Power Window 25-26 DJ and D2. Driver door mirror switches are sticking down. This is being caused by excess trim panel material extending into the switch opening which puts pressure on the switch bezel. Material needs to be removed from the opening. Reference SOL S2523000066.
• 11034926Jul 6, 2026Electrical system. Instrument Panel Cluster (IPC) and Radio Compass Display has Dashes (--)
• 11034924Jul 1, 2026Back-over prevention (rear camera). Park Assist Unavailable Message Displayed in The Cluster
• 11034904Jul 1, 2026Transmission and drivetrain. SA Market Only - 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): ● **P0088-00 - Fuel Rail Pressure Too High - Bank 1.** ● P0263-00 - Cylinder 1 Contribution/Balance. ● P0266-00 - Cylinder 2 Contribution/Balance. ● P0269-00 - Cylinder 3…
• 11034895Jul 1, 2026Electrical system. Navigation Won't Load On Home/Split Screen Customers may experience the following: SYMPTOM: ● Factory navigation won't load on the Home/Split screen Fig. 1.
• 11034916Jun 29, 2026Body and structure. 1) If the 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.
• 11034910Jun 29, 2026Body and structure, Electrical system. Switch – headlamp
• 11034909Jun 29, 2026Electrical system, Body and structure. Switch – headlamp
• 11034390Jun 26, 2026Electrical system. Instrument Panel Cluster (IPC) and Radio Compass Display has Dashes (--)
• 11034385Jun 26, 2026Body and structure. Backup Camera Poor Image Quality Inspection
• 11034384Jun 26, 2026Electrical system, Engine. Emissions Recall 37D - NOx Sensor - Dealer Notification
• 11034387Jun 25, 2026Transmission and drivetrain, Brakes. Mil-On/Check Engine Lamp (CEL), Antilock Brake System (ABS) Lamp, Diagnostic Trouble Code (DTCs).
• 11034380Jun 25, 2026Transmission and drivetrain. If customer concern diagnosis leads to suspect u-joint issue with the prop shaft, u-joint service kit should be utilized to fix concern. Prop shaft replacement would not be required.
• 11034376Jun 25, 2026Other or unknown. Outlet - air conditioning & heater
• 11034375Jun 25, 2026Other or unknown. Outlet - air conditioning & heater
• 11034356Jun 24, 2026Electrical system, Transmission and drivetrain. Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P219A - Bank 1 Air-Fuel Ratio Imbalance Bank 1. ● P219B - Bank 2 Air-fuel Ratio Imbalance. NOTE: This revision has an updated and more effective fix for DTC P219B than the prior version.
• 11034370Jun 23, 2026Electrical system, Steering. Module - steering control
• 11034386Jun 19, 2026Electrical system. Driver Side Window Switch Buttons Stuck Or Inoperative. Rev A.
• 11034323Jun 19, 2026Engine. Not applicable to vehicles built for US market. SA Market Only - 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): ● P0263-00 - Cylinder 1 Contribution/Balance. ● P0266-00 - Cylinder 2 Contribution/Balance. ● P0269-00 - Cylinder 3…
• 11034373Jun 17, 2026Engine. BEARING - CRANKSHAFT THRUST and KIT
• 11034346Jun 17, 2026Electrical system. Radio/ETM is Adding Approximately 27mA Draw to Vehicle When in Logistics Mode
• 11034342Jun 17, 2026Fuel system. Fuel Delivery Module Before replacing the fuel module for DTCs P0461 and P062A and other not start, long crank, fuel gauge accuracy and drivability issues, the technician should disconnect the electrical connector at the pump and perform a visual inspection of the connector for and bent, spread, or pushed out terminals. Repair any issues found. Reconnect the plug and perform a push pull push to ensure the connector…
• 11034338Jun 17, 2026Transmission and drivetrain. HD Front and Rear Prop Shafts Increase U-Joint Usage If customer concern diagnosis leads to suspect u-joint issue or failure with the prop shaft, u-joint service kit should be utilized to fix concern. Prop shaft replacement would not be required.
• 11034337Jun 17, 2026Engine. BEARING - CRANKSHAFT THRUST and KIT
• 11034332Jun 17, 2026Fuel system. INJECTOR - FUEL
• 11034331Jun 17, 2026Fuel system. INJECTOR - FUEL
• 11033975Jun 12, 2026Body and structure, Electrical system. Outside Power Fold Rearview Mirror Noise Or Loose At Pivot. Mirror Contacts Door Window Glass In The Folded Position.
• 11033957Jun 8, 2026Electrical system. Prior to replacing an inoperative passive entry door handle, perform Star Online S2623000040.
• 11033897Jun 5, 2026Body and structure. Outside Power Fold Rearview Mirror Noise Or Loose At Pivot. Mirror Contacts Door Window Glass In The Folded Position.
• 11033896Jun 5, 2026Body and structure, Electrical system. Passive Entry Exterior Door Handle Inoperative When Touched To Lock And Or Unlock.
• 11033889Jun 4, 2026Body and structure. For Dealer awareness, HD truck, eliminate 1 of 2 M8 Joints for Sidestep bracket to Body Attachment, Bolt and rivet (06102165AA, 06511062AA) per TCR # 402632, CN 80403-T18
• 11033308May 29, 2026Body and structure, Electrical system. Outside Power Fold Rearview Mirror Noise Or Loose At Pivot. Mirror Contacts Door Window Glass In The Folded Position.
• 11033307May 29, 2026Body and structure, Electrical system. Outside Power Extend/Retract Rearview Mirror motor noise after reaching full travel.
• 11033305May 28, 2026Electrical system. B22AE-96 Setting Erroneously In Trailer Reverse Steering Knob Module (TRSKM)
• 11033301May 28, 2026Other or unknown. Customer Experience: Diesel Exhaust Fluid (DEF) gauge on the cluster is erratic or has fluctuations. Gauge is displaying a level not representative of what is in the tank. In some cases the level drops below the low level warning and customers gets an EVIC warning. When DEF level is too low the vehicle will be derated to 5 mph after 200 miles of dropping below the low level warning. From MY13 to MY24, the DEF pump…
• 11033300May 28, 2026Electrical system. Trailer Reverse Steering Knob Module is triggering DTC B22AE-96 falsely due to a bug in the software. DTC B22AE-96 stands: Trailer Reverse Steering Knob Module Internal Performance Component Internal Failure and it means "Backlight LED failure, short circuit between backlight LEDs etc". Please, follow SOL S2608000025 for part TRSKM replacement, depending on conditions explained.
• 11033304May 26, 2026Engine, Brakes. Mil-On/Check Engine Lamp (CEL), Antilock Brake System (ABS) Lamp, Diagnostic Trouble Code (DTCs).
• 11032990May 21, 2026Engine. Radiator - engine cooling
• 11032970May 19, 2026Engine. 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): ● **P0088-00 - Fuel Rail Pressure Too High - Bank 1. ● P208B-00 - Reductant Pump 1 Control Performance.** ● P2540-00 - Low Pressure Fuel System Sensor Circuit Range/Performance. ● P0506-00 - Idle…
• 11032842May 13, 2026Electrical system. Radio Message "Power Surge On USB Detected" Customers may comment on the following: ● The radio displays the message: “Power surge on USB hub detected” Fig. 1. NOTE: After the message appears, no USB devices function in the hub (no charging, no data). NOTE: Hub operation does not return until the vehicle undergoes a full key cycle.
• 11032809May 8, 2026Electrical system. Front Passenger Door Window Switch, Left or Right Rear Window Switch Buttons Stuck, Click or Are Inoperative. Window Switches Are Sticking, Making a Clicking Noise or Not Operating the Window Glass.
• 11032632May 8, 2026Electrical system. Front Passenger Door Window Switch, Left or Right Rear Window Switch Buttons Stuck, Click or Are Inoperative. Window Switches Are Sticking, Making a Clicking Noise or Not Operating the Window Glass.
• 11032824May 7, 2026Electrical system. Radio Message "Power Surge On USB Detected" Customers may comment on the following: ● The radio displays the message: “Power surge on USB hub detected” Fig. 1. NOTE: After the message appears, no USB devices function in the hub (no charging, no data). NOTE: Hub operation does not return until the vehicle undergoes a full key cycle
• 11032647May 7, 2026Electrical system. Radio Message "Power Surge On USB Detected" Customers may comment on the following: ● The radio displays the message: “Power surge on USB hub detected” Fig. 1. NOTE: After the message appears, no USB devices function in the hub (no charging, no data). NOTE: Hub operation does not return until the vehicle undergoes a full key cycle

← All problems reported for the 2026 Ram 3500