2021 Ram 3500 Technical Service Bulletins

585 technical service bulletins (TSBs) are on record for the 2021 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.

• 10242779Jul 27, 2023Equipment. Customer Satisfaction Notification ZD7 - Radio Software update
• 10242717Jul 27, 2023Equipment. Lubrication and Maintenance Fluids If MOPAR fluids and chemicals are not readily available, please review Service Library for specifications so a suitable alternative can be used
• 10242828Jul 26, 2023Electrical system, Equipment. Radio Over The Air Updating to QR40.12 Software Version ? Mobile Wi-Fi inoperative upon start up. ? Hotspot gives "No Internet" connection message on phone, when trying to connect to a device. This bulletin provides information regarding the latest Firmware Over The Air (FOTA) update and provides the service technician an overview of the steps a customer will need to take to complete the update. The radio software…
• 10242765Jul 26, 2023Engine cooling. Squeak, Chirp, Or Tick Noise From The Serpentine Belt Area. Additional Diagnostics.
• 10242777Jul 18, 2023Engine cooling. Emissions Recall Y43 Particulate Matter Sensor
• 10242706Jul 17, 2023Electrical system, Brakes. PUMP, Vacuum For DTC Code P258B - ELECTRONIC VACUUM PUMP PERFORMANCE. Due to brake vacuum pumps returned with trouble not found, please follow the proper diagnostics outline in the service library this also includes checking all electrical and vacuum hose connections prior to replacement of the vacuum pump. This will avoid unnecessary repair and potential charge back on the vacuum pump.
• 10242752Jul 15, 2023Electrical system. USB Hub In-Operable
• 10242750Jul 14, 2023Equipment. Wireless Qi Charger Not Charging
• 10242795Jul 12, 2023Engine cooling. 6.7L New Oil Usage Information Incorrect oil used. This bulletin provides information regarding the correct oil grade to use on the 6.7L Cummins used in the 2023 to 2013 HD Trucks. The following information is intended to eliminate confusion.
• 10241146Jun 30, 2023Visibility (wipers, defrost, mirrors). A/C Diagnostic LOP Change (Except Alfa Romeo Vehicles)
• 10241121Jun 24, 2023Engine cooling, Transmission and drivetrain. Clicking Noise While In 4wd Ratcheting, Click, or Clicking noise in 4WD while turning. This bulletin involves replacing the front driveshaft.
• 10241056Jun 16, 2023Electrical system, Equipment. Customer Satisfaction Notification ZD7 - Radio Software Update
• 10239978May 26, 2023Electrical system, Equipment, Other or unknown. Radio Over The Air Updating from PR39.92 to PR40.12 Software Version ? Radio Wi-Fi Hotspot connection not working. This bulletin provides information regarding the latest Firmware Over The Air (FOTA) update and provides the service technician an overview of the steps a customer will need to take to complete the update. The radio software will be updated from PR39.92 to PR40.12. NOTE: National launch for this FOTA…
• 10240002May 24, 2023Equipment, Electrical system. Customer Satisfaction Notification ZD7 - Radio Software Update
• 10239971May 24, 2023Transmission and drivetrain, Electrical system. Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes (DTC)s have been set: ? **P0299 - Turbocharger Underboost.** ? P061B - Internal Control Module Torque Calculation Performance. ? P0755 - Shift Solenoid B (DG7 Only). ? P0765 - Shift…
• 10240004May 18, 2023Equipment. SOS, Assistance Calls Not Successful After Radio Replacement or Radio Software Update
• 10239957May 18, 2023Engine cooling. Water Quality When Mixed With Engine Coolant
• 10236969Apr 25, 2023Visibility (wipers, defrost, mirrors). Mirror
• 10236873Apr 22, 2023Electrical system. Ambient Air Temperature Missing, Malfunction Indicator Lamp (MIL) Lamp On, Diagnostic Trouble Code (DTC) P0070-15 Ambient Air Temperature Sensor Circuit-Circuit Short to Battery or Open, P0073 Ambient Air Temperature Sensor Circuit High
• 10236871Apr 20, 2023Electrical system. Ambient Temperature Sensor Servicing.
• 10236935Apr 15, 2023Electrical system. Diesel Exhaust Fluid (DEF) Fluid Freezing Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code (DTC) has been set: ? P203E-00 - Reductant Level Sensor 1 Circuit Intermittent-Erratic. This bulletin involves replacing the urea delivery module and grade vent valve and updating the Dosing Control Unit (DCU)…
• 10236933Apr 15, 2023Equipment, Engine cooling. wiTECH Small Leak Verification Test (SLVT) - P0456-EVAP SYSTEM SMALL LEAK
• 10248049Feb 28, 2023Back-over prevention (rear camera). Radio Over The Air Updating to QR40.12 Software Version Mobile Wi-Fi inoperative upon start up. ? Hotspot gives 9No Internet9 connection message on phone, when trying to connect to a device. This bulletin provides information regarding the latest Firmware Over The Air (FOTA) update and provides the service technician an overview of the steps a customer will need to take to complete the update. The radio software…
• 10234522Feb 28, 2023Electrical system, Equipment. Radio Over The Air Updating to QR40.12 Software Version Mobile Wi-Fi inoperative upon start up. ? Hotspot gives 9No Internet9 connection message on phone, when trying to connect to a device. This bulletin provides information regarding the latest Firmware Over The Air (FOTA) update and provides the service technician an overview of the steps a customer will need to take to complete the update. The radio software…
• 10247953Feb 15, 2023Electrical system. Radio Remained On After Ignition Is Switched Off, Dead Battery From Excessive Radio Current Draw
• 10234424Feb 15, 2023Electrical system. Radio Remained On After Ignition Is Switched Off, Dead Battery From Excessive Radio Current Draw
• 10234420Feb 14, 2023Electrical system. Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor (IBS) State of Charge (SOC) Inaccurate, Battery Charging Message, Presence of IBS related Diagnostic Trouble Codes (DTCs), or Battery Warning Lamp On
• 10248003Feb 7, 2023Transmission and drivetrain, Electrical system, Back-over prevention (rear…. Flash: Powertrain Control Module (PCM) Updates Customer or technician may experience the following: ? High frequency exhaust noise at idle after cold start. ? Power Take Off (PTO) disable to high engine oil temperature. ? Multiple Displacement System (MDS) transition causing a transmission clunk noise under light throttle when coasting in fourth gear. This bulletin involves reprogramming the PCM with the latest…
• 10234476Feb 7, 2023Back-over prevention (rear camera), Transmission and drivetrain, Air bags…. Flash: Powertrain Control Module (PCM) Updates Customer or technician may experience the following: ? High frequency exhaust noise at idle after cold start. ? Power Take Off (PTO) disable to high engine oil temperature. ? Multiple Displacement System (MDS) transition causing a transmission clunk noise under light throttle when coasting in fourth gear. This bulletin involves reprogramming the PCM with the latest…
• 10231741Jan 25, 2023Back-over prevention (rear camera). Backup Camera Blue Screen After Flat Bed Install
• 10231792Jan 24, 2023Back-over prevention (rear camera). Radio Over The Air Updating to 40.12 Software Version Mobile Wi-Fi inoperative upon start up. Hotspot gives 9No Internet9 connection message on phone when trying to connect to a device. This bulletin provides information regarding the latest Firmware Over The Air (FOTA) update and provides the service technician an overview of the steps a customer will need to take to complete the update. The radio software will be…
• 10231739Jan 24, 2023Equipment. Diagnostic Trouble Code (DTC) P1400 ? Aftermarket Calibration Detected/Warranty Coverage Confirmation Required, Setting Falsely.
• 10231735Jan 23, 2023Visibility (wipers, defrost, mirrors), Back-over prevention (rear camera)…. Outside Power Fold Rearview Mirror Noise Or Loose At Pivot. Mirror Contacts Door Window Glass In The Folded Position.
• 10231785Jan 20, 2023Equipment. Radio Over The Air Updating to 39.92 Software Version Text displayed on radio ?Installing pop up message? for entire key cycle. Improper NAV search results. Lost SXM presets after remote start through Uconnect app. Rear shelf speaker crackles/popping noise. This bulletin provides information regarding the latest Firmware Over The Air (FOTA) update and provides the service technician an overview of the steps a…
• 10231721Jan 6, 2023Equipment. Customer Indicates Heat Is Blowing Warm Not Hot.
• 10231711Jan 6, 2023Equipment. Washer Light On And Will Not Turn Off After Adding Washer Solvent.
• 10231712Jan 5, 2023Exterior lighting, Back-over prevention (rear camera). Malfunction Indicator Lamp (MIL) Illumination. NOx Sensor Diagnostic Trouble Codes (DTCs) Diagnosis Information.
• 10229768Dec 21, 2022Fuel system. Upgrading To A Larger Capacity Fuel Tanks
• 10229819Dec 16, 2022Back-over prevention (rear camera), Brakes, Steering, Engine cooling, Wheels…. UAV and UCV Radio Enhancements Customers may experience one or more of the following: ? **Wi-Fi hotspot connection failure. ? Speaker popping, crackle noise during Voice Recognition (VR) response and navigation guidance. ? Mobile Station Integrated Services Digital Network (MSISDN) missing from radio, no connected services working.** ? Lost radio presets. ? SXM favorite song not displaying/playing. ? Incorrect…
• 10229759Dec 16, 2022Engine cooling, Fuel system. Suspected Internal Exhaust Gas Recirculation (EGR) Cooler Coolant Leak, Additional Diagnostics.
• 10229810Dec 15, 2022Body and structure. Aluminum Body Panel Corrosion Repair Aluminum corrosion or bubbling along the leading edge of hood, hinges or other exterior surface areas of the hinges, doors, fenders, swing gates or liftgates. NOTE: Digital imaging pre authorization is required for Smart Warranty Base dealers or Pre Approval is required from Regional Office depending on market.
• 10229710Dec 15, 2022Fuel system, Engine cooling. Gasket, Cylinder Head Cover For US dealers, and 21-22 model year vehicles only. If replacing the cylinder head cover/fuel injector harness gasket due to an oil leak, please also replace the following components: 1. 68445548A$ - Cover, Cylinder Head (includes gasket); 2. 05179087A$ - Housing, Rocker Arm; 3. 68005453A$ - Bolt and Grommet, Cylinder Head Cover to Cylinder Head (qty 6); 4.
• 10229809Dec 14, 2022Equipment. Diesel Particulate Filter (DPF) - X97 Warranty Extension Installation of particulate matter sensor. This bulletin involves extending the warranty on the DPF. NOTE: This is an ?Information Only? Technical Service Bulletin to inform the dealer of this warranty Extension.
• 10229774Dec 14, 2022Fuel system. Warranty Bulletin D-22-16 (X97 Diesel Particulate Filter (DPF) - Select 2021 - 2022 Ram 3500 Cab Chassis (DD) and 2021 - 2022 Ram 4500/5500 Cab Chassis (DP)
• 10229777Dec 6, 2022Engine. Emissions Recall Y43 Particulate Matter Sensor
• 10229709Dec 2, 2022Brakes. HUB AND BEARING, Brake, Front For issues with front wheel Hub/Bearing growling or humming noise, appearing to leak grease, or with excessive play, please contact FCA Redacted Content before replacing. If no response in 15 minutes, proceed with repair. For further diagnosis reference Service Library for Tech Tube video on Wheel Bearing Diagnosis.
• 10230405Nov 10, 2022Electrical system. Telematic box module 2
• 10230407Nov 4, 2022Exterior lighting. Base Headlamp Bright, Base Headlamp Black
• 10227765Oct 29, 2022Electrical system, Transmission and drivetrain. Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. Customers may comment on one or more of the following: Harsh shifts. Poor shift quality, with light pedal.(Sales Codes ETM and ETN Only). Poor shift quality, 32-48 kph (20-30 mph), at low rpm with light to medium pedal apply, typically tipping in from zero pedal.(Sales Codes ETM and ETN…
• 10227721Oct 26, 2022Equipment, Electrical system. Radio Remained On After Ignition Is Switched Off, Dead Battery from Excessive Radio Current Draw

← All problems reported for the 2021 Ram 3500