2026 Ram 3500 Technical Service Bulletins

244 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.

• 11038634Oct 17, 2026Electrical system, Wheels. Tire Pressure Monitoring System (TPMS) Red XX Displayed and/or Warning Indicator Illuminated 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): ● C1501-31 - Tire Pressure Sensor 1-No Signal. ● C1502-31 - Tire Pressure Sensor 2-No Signal. ● C1503-31 - Tire Pressure Sensor 3-No Signal. ●…
• 11038669Oct 16, 2026Electrical system. Trailer Reverse Steering Control Radio Soft Button Blinks Even Without a User-Initiated Calibration
• 11038633Oct 15, 2026Wheels, Electrical system. Tire Pressure Monitoring System (TPMS) Red XX Displayed and/or Warning Indicator Illuminated 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): ● C1501-31 - Tire Pressure Sensor 1-No Signal. ● C1502-31 - Tire Pressure Sensor 2-No Signal. ● C1503-31 - Tire Pressure Sensor 3-No Signal. ●…
• 11038631Oct 14, 2026Electrical system. Tow Nav Menu Option Unavailable - UBQ/UBW Customers may comment on the following: SYMPTOM: ● Tow Nav menu option is grayed out and cannot be selected.
• 11038553Oct 5, 2026Body and structure. Mirror - outside rearview
• 11038551Oct 5, 2026Wheels, Electrical system. TPMS full assembly(core & Stem To support proper failure analysis and validation, dealers must return the complete TPMS sensor assembly when submitting a claim related to a TPMS leak concern. Claims submitted with TPMS sensors that are missing the valve core and/or stem components will be considered incomplete and will not be eligible for evaluation.
• 11038516Oct 5, 2026Body and structure. Mirror - outside rearview
• 11038514Oct 5, 2026Electrical system, Wheels. TPMS full assembly(core & Stem To support proper failure analysis and validation, dealers must return the complete TPMS sensor assembly when submitting a claim related to a TPMS leak concern. Claims submitted with TPMS sensors that are missing the valve core and/or stem components will be considered incomplete and will not be eligible for evaluation.
• 11038319Sep 30, 2026Electrical system. WIRELESS CHARGER Welcome GREEN LED not turning ON after multiple IGN ON/OFF without sleep cycle and no phone on the charging pads. Part numbers affected: 68630089AA 68630088AB 68649038AA Welcome Green LED turns on for 1 second after multiple IGN ON/OFF without sleep cycle and no phone on the charging pad. Intent of this condition is to notify the customer/dealership that the Wireless Charging Pad is ready to…
• 11037595Sep 24, 2026Transmission and drivetrain. Transmission kit - with torque converter
• 11037585Sep 24, 2026Electrical system. Max Tow Right and Left Rear Wheel Speed Sensors Inoperable 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): ● C003A-62 - Right Rear Wheel Speed Sensor - Signal Compare Failure. ● C0037-62 - Left Rear Wheel Speed Sensor - Signal Compare Failure. ● C003A-2F - Right Rear Wheel Speed Sensor…
• 11037580Sep 23, 2026Electrical system, Engine. Exhaust Gas Temperature (EGT) Sensor Water Intrusion ’s VIN MUST be listed in VIP or your RSU VIN list. NOTE: This bulletin applies to ● The Vehicle MUST be built on or before February 16, 2026 (MDH North America, Enlarged 0216XX). Europe, Middle East & ● The vehicle MUST be equipped with a 6.7L I6 Cummins Turbo Africa, and India & Asia Diesel Engine (Sales Codes ETM or ETN). Pacific markets.
• 11037476Sep 15, 2026Electrical system, Engine. SENSOR Exhaust Temperature If this sensor is being replaced due to an early-life P242B pending fault code, clear the fault code and perform the Powertrain Verification Test. Only replace the sensor if P242B returns as an active fault code.
• 11037333Sep 11, 2026Electrical system. Flash: Vehicle System Interface Module (VSIM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may SYMPTOM: exhibit/set the following Diagnostic Trouble Code (DTC): ● B2204-87 - Ecu Configuration Mismatch-Missing Message. Customers may comment on the following: ● Odometer is blinking while ignition is on. This bulletin involves inspecting and possibly reprogramming…
• 11037339Sep 10, 2026Engine, Electrical system. Exhaust Gas Temperature (EGT) Sensor Water Intrusion CUSTOMER Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may SYMPTOM: exhibit/set the following Diagnostic Trouble Code (DTC): ● P2482-00 - Exhaust Gas Temperature Sensor Circuit High - Bank 1 Sensor 5. Customers may also comment on the following: ● Soot load is too high and power derate occurs due to regen being disabled…
• 11037365Sep 8, 2026Electrical system. Radio Over The Air Update to U43.17 R1H Software Version (FOTA) Customers may experience one or more of the following:- Navigation Stability - Android Auto & Carplay stability & connectivity- Trailer Tow pages- Distorted/glitchy display prior to start‑up animation- Text appearance display- Widget incorrect display- Turn signal blind spot response timing- Audio cut out - Drive Modes selection- Park assist Guidelines…
• 11037344Sep 8, 2026Electrical system, Body and structure. Passive Entry O/S Dr Handle Prior to replacing an inoperative passive entry door handle, perform Star Online S2623000040.
• 11037267Sep 2, 2026Body and structure. Switch - Tailgate Handle Prior to replacing the Tailgate Handle Switch, please review MasterTech Article - Tailgate Handle Inoperative.
• 11037272Sep 1, 2026Engine. Engine Overheat Customers may comment on the following: SYMPTOM: ● Vehicle overheating. ● Temperature gauge is reading hot. ● Overheat symbol is illuminated in Instrument Panel Cluster (IPC). This bulletin involves inspecting the thermostat housing part number and, if necessary, replacing the thermostat.
• 11037262Sep 1, 2026Electrical system, Air bags. Airbag Warning Light On or Intermittent. The Occupant Restraint Controller (ORC) May Have The Following DTCs (Active/Stored)
• 11036758Aug 31, 2026Other or unknown. Module - a/c and heater
• 11036754Aug 26, 2026Engine. Radiator - engine cooling
• 11036753Aug 26, 2026Engine. Radiator - engine cooling
• 11036360Aug 21, 2026Engine. Engine Overheat Customers may comment on the following: ● Vehicle overheating. ● Temperature gauge is reading hot. ● Overheat symbol is illuminated in Instrument Panel Cluster (IPC). This bulletin involves inspecting the thermostat housing part number and, if necessary, replacing the thermostat.
• 11036352Aug 20, 2026Electrical system, Body and structure. Flash: Integrated Trailer Control Module (ITCM) Update Customers may experience the following: SYMPTOM: ● 'Check Trailer Turn Lamp' message in the Instrument Panel Cluster (IPC) with no trailer connected. This bulletin involves inspecting and possibly reprogramming the ITCM with the latest software.
• 11036366Aug 17, 2026Engine. PULLEY Fan If replacing 68209745AA, also replace 68723388AA, 05086958AB, and 68000833AD. Retain bolts, mark each with its original location, and submit a STAR ticket for parts return. Bolt P/Ns: 68005469AA, 03928873, 68445520AA, 04886003AA.
• 11036275Aug 10, 2026Electrical system. Sensor - wheel speed
• 11036274Aug 10, 2026Electrical system. Sensor - wheel speed
• 11036177Aug 7, 2026Electrical system. Front Passenger Display Module 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.
• 11036174Aug 6, 2026Electrical system. HEADLAMP
• 11036173Aug 6, 2026Electrical system. HEADLAMP
• 11035977Aug 1, 2026Electrical system, Transmission and drivetrain. Flash: Electronic Shift Module (ESM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set the following Diagnostic Trouble Code (DTC): ● U1057-00 - High Speed Fd-Can3 Communication Bus Performance. Customers may also comment on the following: ● If the vehicle has a low or drained battery and requires a jump start, once jump started, the vehicle…
• 11035984Jul 30, 2026Fuel system. Module & module kit - fuel pump/level unit
• 11035982Jul 29, 2026Engine, Electrical system. Sensor - exhaust temperature
• 11035981Jul 29, 2026Engine, Electrical system. Sensor - turbocharger speed
• 11035980Jul 29, 2026Electrical system, Engine. Sensor - turbocharger speed
• 11035335Jul 23, 2026Body and structure. HEADLAMP - NONE
• 11035334Jul 23, 2026Body and structure. HEADLAMP - NONE
• 11035169Jul 18, 2026Electrical system. Flash: DEF Dosing Control Unit (DCU) Software 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): ● P218F 00 - Reductant No Flow Detected ● P202E 00 - Reductant Injection Valve Circuit Performance In addition, the following software enhancements are available: ● System State feedback…
• 11035162Jul 17, 2026Electrical system. Air Handling Performance Test (APT) Availability In wiTECH Technicians may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0234-00 - Turbocharger Overboost Condition. ● P0299-00 - Turbocharger Underboost. ● P0101-00 - Mass Air Flow Sensor "A" Circuit Performance. ● P2463-00 - Diesel Particulate…
• 11035185Jul 15, 2026Body and structure. LAMP – TAIL
• 11035197Jul 14, 2026Electrical system. Instrument Cluster Fuel and Coolant Temperature Gauge Do Not Reset To The Home Position And Show Incorrect Values
• 11035175Jul 14, 2026Transmission and drivetrain. 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. ● P208B-00 - Reductant Pump 1 Control Performance. This bulletin involves inspecting and possibly reprogramming the PCM with the latest…
• 11035047Jul 11, 2026Electrical system. Air Handling Performance Test (APT) Availability In wiTECH Technicians may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0234-00 - Turbocharger Overboost Condition. ● P0299-00 - Turbocharger Underboost. ● P0101-00 - Mass Air Flow Sensor "A" Circuit Performance. ● P2463-00 - Diesel Particulate…
• 11035087Jul 10, 2026Electrical system. Instrumental Panel Cluster (IPC) Mechanical Gauge Stuck, Inaccurate
• 11035055Jul 9, 2026Transmission and drivetrain, Engine. 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. ● P208B-00 - Reductant Pump 1 Control Performance. ● P2540-00 - Low Pressure Fuel System Sensor Circuit Range/Performance. ● P0506-00 - Idle…
• 11035053Jul 9, 2026Transmission and drivetrain, 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): ● 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…
• 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

← All problems reported for the 2026 Ram 3500