2026 Ram 2500 technical service bulletins
231 technical service bulletins and manufacturer communications cover the 2026 Ram 2500, including 2 warranty extensions.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Recall Completion Prior to Sale of Vehicle
- The Customer May Find The Following Symptoms: Left/Right Front/Rear Button(s) Stuck Down
- Clamp/Gasket Kit During the investigation of DEF Doser leakage concerns, a challenge has been identified...
- Tire Pressure Monitoring System (TPMS) Red XX Displayed and/or Warning Indicator Illuminated Customers...
- Flash: Trailer Tow Module (TTM) Update Customers may experience the following: SYMPTOM: ● 'Check Trailer...
- Trailer Reverse Steering Control Radio Soft Button Blinks Even Without a User-Initiated Calibration
- Fuse block - pwr distribution
- Fuse block - pwr distribution a/c
- Tow Nav Menu Option Unavailable
- Starter Terminal Nut Under Torqued Customers may comment on one or more of the following: SYMPTOM: ●...
- Mirror - outside rearview
- Wireless charger
- Transmission kit - with torque converter
- Exhaust Gas Temperature (EGT) Sensor Water Intrusion ’s VIN MUST be listed in VIP or your RSU VIN list
- Flash: Vehicle System Interface Module (VSIM) Updates Customers may experience a Malfunction Indicator...
- Exhaust Gas Temperature (EGT) Sensor Water Intrusion CUSTOMER Customers may experience a Malfunction...
- Passive Entry O/S Dr Handle Prior to replacing an inoperative passive entry door handle, perform Star...
- Radio Over The Air Update to U43.17 R1H Software Version (FOTA) Customers may experience one or more of...
- Switch
- Airbag Warning Light On or Intermittent
- Engine Overheat Customers may comment on the following: SYMPTOM: ● Vehicle overheating
- Module - a/c and heater
- Radiator - engine cooling
- Engine Overheat Customers may comment on the following: ● Vehicle overheating
- Flash: Integrated Trailer Control Module (ITCM) Update Customers may experience the following: SYMPTOM: ●...
- Pulley
- Front Passenger Display Module Verify "Z" part number availability
- Headlamp
- Flash: Electronic Shift Module (ESM) Updates Customers must experience a Malfunction Indicator Lamp (MIL)...
- Module & module kit - fuel pump/level unit
- Sensor - turbocharger speed
- Headlamp - none
- Flash: DEF Dosing Control Unit (DCU) Software Updates Customers must experience a Malfunction Indicator...
- Air Handling Performance Test (APT) Availability In wiTECH Technicians may experience a Malfunction...
- Lamp – tail
- Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp...
- Instrument Cluster Fuel and Coolant Temperature Gauge Do Not Reset To The Home Position And Show Incorrect...
- Instrumental Panel Cluster (IPC) Mechanical Gauge Stuck, Inaccurate
- VALVE KIT – EGR and VALVE
- Instrument Panel Cluster (IPC) and Radio Compass Display has Dashes (--)
- Switch
- Front Fog Lamp RT 1) If the lamp contains moisture, do not replace it immediately
- Core – heater
- Vehicle Shifter Will Not Shift Out Of Park.
- Navigation Won't Load On Home/Split Screen Customers may experience the following: SYMPTOM: ● Factory...
- SA Market Only
- Park Assist Unavailable Message Displayed in The Cluster
- Switch – headlamp
- 1) If the lamp contains moisture, do not replace it immediately
- Backup Camera Poor Image Quality Inspection
- Outlet - air conditioning & heater
- If customer concern diagnosis leads to suspect u-joint issue with the prop shaft, u-joint service kit...
- If the Driver/Passenger Seat Adjsuter Switch is inoperable, seat back will not move or seat moves on its...
- Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL)...
- Module - steering control
- Not applicable to vehicles built for US market
- Driver Side Window Switch Buttons Stuck Or Inoperative
- Injector - fuel
- Bearing
- HD Front and Rear Prop Shafts Increase U-Joint Usage If customer concern diagnosis leads to suspect...
- Radio/ETM is Adding Approximately 27mA Draw to Vehicle When in Logistics Mode
- Outside Power Fold Rearview Mirror Noise Or Loose At Pivot
- Prior to replacing an inoperative passive entry door handle, perform Star Online S2623000040.
- Passive Entry Exterior Door Handle Inoperative When Touched To Lock And Or Unlock.
- For Dealer awareness, HD truck, eliminate 1 of 2 M8 Joints for Sidestep bracket to Body Attachment, Bolt...
- Outside Power Extend/Retract Rearview Mirror motor noise after reaching full travel.
- Trailer Reverse Steering Knob Module is triggering DTC B22AE-96 falsely due to a bug in the software
- Customer Experience: Diesel Exhaust Fluid (DEF) gauge on the cluster is erratic or has fluctuations
- B22AE-96
- Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp...
- TBM2.0H
- Radio Message "Power Surge On USB Detected" Customers may comment on the following: ● The radio displays...
- Front Passenger Door Window Switch, Left or Right Rear Window Switch Buttons Stuck, Click or Are Inoperative
- Instrument Panel Cluster (IPC) Flicker Turn By Turn The
- Radio Volume Jumping Up To Max Volume After Radio Wake Up
- Flash: Transmission Control Module (TCM) Updates Customers must experience a Malfunction Indicator Lamp...
- Squeak Or Squawk Noise Coming From Either Side Door Of The Vehicle, It Could Be Just One Door Or More
- B235C-64-TRAILER connection - signal plausibility failure
- Flash: Radio Frequency Hub Module (RFHM) Updates Technician may find the vehicle has set at least one of...
- No Wireless Charging Or Slow Wireless Charging
- 1) If the fog lamp contains moisture, do not replace it immediately
- Power Tailgate Not Closing, Not Opening, Inoperative, Incorrect Ajar Status On Cluster.
- Loss Of Cabin Heating Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the...
- Water In Fuel (WIF) Indicator Light Customers must experience a Malfunction Indicator Lamp (MIL)...
- Flash: Transmission Control Module (TCM) Updates Customers must experience a Malfunction Indicator Lamp...
- Global Telematics Box Module (TBM) Customers must experience a Malfunction Indicator Lamp (MIL)...
- Sensor - exhaust temperature
- Traffic Sign Assist Unavailable – Service Required The
- R1H Radio USB Update to U40.20 Customers may experience one or more of the following: SYMPTOM: ● Incorrect...
- P2540 Diagnostic Trouble Code (DTC) and Longer Than Expected, Extended Crank Time After Fuel Level Run Too...
- Diesel Exhaust Fluid (DEF) Gauge Fluctuates Or Is Erratic
- Active/Pending Diagnostic Trouble Code (DTC) P24A0, P2482, P2481, P0420, P2470, P2471, P2472, P242D,...
- TBM2.0H
- Check Engine Light (CEL) Illuminated Diagnostic Trouble Code (DTC) P0381-00 Wait to Start Lamp Inoperative
- Radio Remains On After Ignition Off
- Universal Garage Door Opener (UGDO) Inoperable Technicians may or may not find the following Diagnostic...
- Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp...
- Injector
- The customer concern is Service Transmission, preventing the engine from shutting off
- Memory Seat Does Not Work There Is No Response from The Seat While Pressing the Memory Seat Profiles from...
- Central ADAS Decision Module (CADM) Diagnostic Trouble Codes C00C0-4A, C00C1-4A, C00C5-4A.
- Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL)...
- The vehicle will exhibit a service transmission/check engine warning indicator for the following...
- Wl & dj
- Flash: Heating, Ventilation And Cooling (HVAC) Software Updates Customers may experience the following:...
- Service Electric Sway Bar Lamp On In Cluster
- Active/Pending Diagnostic Trouble Code (DTC) P208B And/or P20E8 Setting In The Powertrain Control Module (PCM)
- Active Diagnostic Trouble Code (DTC) B1A10-00, B1A11-00, B1A12- 00, B1A13-00-, B1A14-00, B1A15-00,...
- Windshield Wiper Blade Maintenance Customers may experience one or more of the following: SYMPTOM: ● Wiper...
- Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor (IBS) State of Charge (SOC)...
- Speaker - none
- Flash: Heating, Ventilation And Cooling (HVAC) Software Updates Customers may experience the following:...
- Digital Rearview Mirror Unavailable Service Required Message.
- Active Diagnostic Trouble Code (DTC) U3FFF-00 Setting In The PCM
- Malfunction Indicator Lamp (MIL) Illuminated, Diagnostic Trouble Codes (DTCs) P208B, P2D1F, P218F, P202E,...
- Customer States Navigation is Inaccurate, Showing Wrong City or State.
- The customer concern is Service Transmission, preventing the engine from shutting off
- Fleet Campaign Parts Ordering Process (03D)
- Flash: Diesel Exhaust Fluid Control Unit (DCU) Updates Customers must experience a Malfunction Indicator...
- Harman R1H Uconnect 5 Radio Software Flash Error Codes
- Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp...
- Flash: Transmission Control Module (TCM) Updates Customers may comment on the following: SYMPTOM: ●...
- Uconnect Box Requires Service, Please Visit an Authorized Dealer Message on Display Message With DTCs...
- Bezel - media port
- Horn Sound Is Weak, Off Tone, Inoperative, Or Intermittent.
- Floor Console Center Storage Bin Door Inoperable And Or Stuck Closed.
- Flash: Telematics Box Module Updates Customers must experience a Malfunction Indicator Lamp (MIL)...
- Universal Garage Door Opener Prior to replacing the UGDO or sun visor, call HomeLink® Customer Care at...
- Hands-Free Voice Concerns Including No Voice Pickup, Muffled Audio, Distortion, or Intermittent Microphone...
- Front HDMI Port or Front Passenger Display Module (FPDM) Not Projecting Video
- Washer Fluid Warning Lamp Illuminated When Reservoir Is Full
- From: FCA REDCACTED CONTENT Sent: Wednesday, February 11, 2026 1:03 PM To FCA REDCACTED CONTENT Subject:...
- From: FCA REDACTED CONTENT Sent: Tuesday, February 10, 2026 11:29 AM Subject: HOT! 03D Recall
- Please see thr attached sheet for those units you have impacted in stock
- Module - trailer brake & towing control
- Rain Sensing Auto Wipers and Auto on Head Lamps Inoperative
- Hemi Water Pump Coolant Leak Inspection
- Flash: Body Control Module (BCM) Updates Customers may comment on the following: ● The AUX switches Fig. 1...
- Flash: Central ADAS Decision Module (CADM) Updates Customers must experience a Malfunction Indicator Lamp...
- Seatbelt Slow Retraction.
- Module kit - urea pump/level unit
- Speaker Diagnostic Procedure Rattle, buzz and squeak coming from specific speakers.
- Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp...
- Headlamp – none
- Customer states Navigation is inaccurate, showing in wrong city or state.
- Buzz Squeak Rattle (BSR) Vibration From Under Vehicle While Driving.
- Comfort Seat Module (CSM) or Comfort Steering Wheel Module (CSWM) do Not Operate
- Telematics Box Module (TBM) Backup Battery Replacement When DTC B1E21 Is Present Technicians may...
- Diagnostic Trouble Code (DTC) C0050-00-Brake System Hydraulic Leak Set After Recent Repair.
- If the DTC B1E21-96: Backup Battery-Component Internal Failure is active and
- Diesel Exhaust Fluid (DEF) leaking around the gasket mount of the DEF doser causing an external, white,...
- Telematics Box Module (TBM) Backup Battery Replacement When DTC B1E21 Is Present echnicians may experience...
- Diagnostic Trouble Code (DTC) B15A1-00 Media Port Connection 1 Connection Found Set.
- Heated Seats And Heated Steering Wheel Inoperative
- Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp...
- High Soot Load In the Diesel Particulate Filter (DPF) Setting DTC P242F
- Detector - evaporative system integrity module
- Trailer Light Check Appears on Vehicles Not Equipped With the Option
- Flash: Transmission Control Module (TCM) Updates Customers must experience a Malfunction Indicator Lamp...
- Core - heater
- Intermittent Uconnect Box Requires Service Message
- Auto Emergency Braking Unavailable/Service Required Message on Cluster
- Driveline Vibration
- Cummins Valvetrain Noise Diagnostics Customers may comment on one or more of the following: ● Ticking noise
- Security Gateway Module (SGW) Software Update Customers may experience one or more of the following: ● SGW...
- Remote Keyless Entry (RKE) Not Functional With One of the Paired Keyfobs, Passive Entry/ Keyless Go...
- 1. sgw DTC
- Brakes Appear to Drag After Setting Trailer Brake Feature in the Radio Settings
- Tire Pressure Monitor (TPM) Warning Lamp On Or Flashing
- Integrated Trailer Brake (ITB) Switch Removal
- Power Side Steps Reverse, Stop In Motion, And/Or Do Not Deploy Or Stow
- Exterior Front Lamps Condensation Clearing Procedure Some customers may report that on occasion vehicle...
- Water in Fuel (WIF) Warning Lamp on After Draining Fuel Filter Module
- Shock And Strut Diagnosis And Replacement Guidelines Leaking, noisy, or weak shocks or struts.
- Global Telematics Box Module Over The Air Update from R5N & R5R1 to R5T TBM2.H Software Version (FOTA)...
- Remote Keyless Entry (RKE) Has a Reduced Range, Remote Start Inoperative, Multiple Keyless-Go Push...
- Powertrain Contol Module Over The Air Update to V2B (Diesel Only) Software Version (FOTA) 2025
- Aluminum Body Panel Corrosion Repair Aluminum corrosion or bubbling along the leading edge of hood, hinges...
- Radio Over The Air Update from U39.E to U40.C R1H Software Version (FOTA) Customers may experience one or...
- Aluminum Body Panel Corrosion Repair Aluminum corrosion or bubbling along the leading edge of hood, hinges...
- When customer complaint is related to inoperative 4 Wheel Drive shifter, loss of 4WD function and/or 4WD...
- Lamp - dome
VIN decoder
See the problems and recalls for an exact car
Buying a used 2026 Ram 2500?
Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.
Check its history