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.

• 11014369Feb 11, 2025Other or unknown, Transmission and drivetrain. "Clicking Noise While In 4WD Customers may experience the following: ● Ratcheting, click, or clicking noise in 4WD while turning. This bulletin involves replacing the front driveshaft."
• 11014157Feb 7, 2025Transmission and drivetrain. "Clicking Noise While In 4WD ustomers may experience the following: ● Ratcheting, click, or clicking noise in 4WD while turning. his bulletin involves replacing the front driveshaft"
• 11014838Feb 4, 2025Other or unknown, Engine. Converter - catalytic
• 11014837Feb 4, 2025Other or unknown, Engine. Converter - catalytic
• 11013489Jan 31, 2025Transmission and drivetrain. TRANSFER CASE BW 44-46 If fluid leak is present between the transfer case and the rear driveshaft on a 4WD vehicle the Output Shaft Seal should be considered in lieu of entire transfer case or driveshaft replacement. In the case of major damage to components, contact StarCenter and/or proceed with replacements as necessary.
• 11013232Jan 28, 2025Electrical system. SWITCH Headlamp Before replacing the Headlamp Switch for faulty dimmer operation. Please follow the next steps to corroborate if the Headlamp Switch is malfunctioning: 1.- Please disconnect and reconnect the headlamp Switch. And verify if the issue is corrected. 2.- Review the internal resistance of the switch: a.- For the Right Dimmer (IP) between Pins 6 & 3. The value should be around 5.74 KOhms, when in the…
• 11013171Jan 25, 2025Electrical 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
• 11013055Jan 22, 2025Other or unknown. Malfunction Indicator Lamp (MIL) Illuminated. Diesel Exhaust Fluid (DEF) System Diagnostic Trouble Codes (DTCs) due to Hydrocarbon Contamination.
• 11012777Jan 7, 2025Electrical 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
• 11012318Dec 19, 2024Transmission and drivetrain. Seal - output shaft
• 11012314Dec 19, 2024Transmission and drivetrain. Seal - output shaft
• 11012036Dec 19, 2024Engine. Engine Control Module (ECM) Flash Failure, Diagnostic Trouble Code (DTC) U1601 – ECU Application Software Code 1 Missing Or Corrupted
• 11012351Dec 17, 2024Transmission and drivetrain. Gear - reaction sun
• 11011774Dec 11, 2024Back-over prevention (rear camera). Backup Camera Poor Image Quality Inspection
• 11011716Dec 4, 2024Electrical system, Brakes. "Brake Warning Lamp Illumination Over Rumble Strips 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 (DTCs) have been set: ● C003A-2F - Right Rear Wheel Speed Sensor - Signal Erratic. ● C0037-2F - Left Rear Wheel Speed Sensor - Signal Erratic.
• 11011155Nov 20, 2024Engine. Converter - catalytic
• 11011146Nov 20, 2024Engine. Converter - catalytic
• 11010636Nov 14, 2024Other or unknown. "Flash: Diesel Exhaust Fluid (DEF) Dosing Control Unit (DCU) Update Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● P21C4-00 - Reductant Line Heater Relay Control Circuit High. ● U11C1-00 - Reductant Control Module Received Implausible Data From ECM/PCM. These DTCs will occur after installation of service DCU…
• 11010511Nov 8, 2024Electrical system, Wheels. Tire Pressure Monitor (TPM) Service Information. TPM Lamp On.
• 11010205Oct 30, 2024Transmission and drivetrain. Plate - Planetary
• 11010147Oct 29, 2024Transmission and drivetrain. Transmission kit - with torque converter
• 11010145Oct 29, 2024Transmission and drivetrain. Transmission kit - with torque converter
• 11009613Oct 29, 2024Transmission and drivetrain. Transmission kit - with torque converter
• 11009608Oct 29, 2024Transmission and drivetrain. Transmission kit - with torque converter
• 11008917Oct 11, 2024Brakes. "Flash: Anti-Lock Brake System (ABS) Module 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):** ● **C2200-47 - Anti-Lock Brake Module Internal - Watchdog / Safety Auc Failure.** ● C006A-49 - Multi-Axis Acceleration Sensor - Internal Electronic Failure.
• 11008900Oct 10, 2024Wheels. Trailer Tire Pressure Monitor (TTPM) Programming Tips And Operation Information.
• 11009597Oct 8, 2024Engine. Module - engine controller
• 11008890Oct 8, 2024Transmission and drivetrain. Transfer case BW44-47 If fluid leak is present between the transfer case and the rear driveshaft on a 4WD vehicle the Output Shaft Seal - sub component parts should be considered in lieu of entire transfer case or driveshaft replacement. In the case of major damage to components, contact StarCenter and/or proceed with replacements as necessary.
• 11008436Oct 4, 2024Electrical system. Dome Lamp LED And Incandescent Bulb Servicing.
• 11009561Oct 3, 2024Electrical system. Switch - headlamp
• 11008707Oct 2, 2024Electrical system. Switch - headlamp
• 11008746Oct 1, 2024Engine, Other or unknown. "Diesel Exhaust Fluid (DEF) Fluid Freezing Warranty Extension XR1 Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● P203E-00 - Reductant Level Sensor 1 Circuit Intermittent-Erratic. Customers may also experience one or more of the following: ● Repeated freeze/thaw cycles of the urea tank to cause solid DEF…
• 11008745Oct 1, 2024Other or unknown, Engine. "Diesel Exhaust Fluid (DEF) Fluid Freezing Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● P203E-00 - Reductant Level Sensor 1 Circuit Intermittent-Erratic. Customers may also experience one or more of the following: ● Repeated freeze/thaw cycles of the urea tank to cause solid DEF crystals to form and settle…
• 11008221Sep 27, 2024Transmission and drivetrain. "Replace K1 Clutch / Input Shaft Assembly Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● P0731-00 - Gear 1 Shift Incorrect Ratio (This DTC will set during a key cycle and shifting into Drive). Customers may also comment on the following: ● The transmission will not shift into or out of 1st - 4th gears. 5th and…
• 11008071Sep 26, 2024Wheels, Electrical system. Tire Pressure Lamp Flashing, No Tire Pressures Displayed, “Tire Pressure Module (TPM) System Unavailable” Message Displayed on Cluster
• 11008149Sep 25, 2024Transmission and drivetrain, Engine, Other or unknown. Warranty Bulletin D-24-16 (XR1) Urea Delivery Module – Select 2019 - 2022 RAM Trucks (DJ/D2/DD/DP)
• 11008196Sep 24, 2024Other or unknown. "Diesel Exhaust Fluid (DEF) Fluid Freezing Warranty Extension XR1 Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● P203E-00 - Reductant Level Sensor 1 Circuit Intermittent-Erratic. Customers may also experience one or more of the following: ● Repeated freeze/thaw cycles of the urea tank to cause solid DEF…
• 11007994Sep 18, 2024Transmission and drivetrain. FCA Caribbean Warranty Bulletin ID-24-16 Rev. Announces the addition of the Rear Axle Assembly replacement for 2019 - 2024 RAM 3500 Cab Chassis (DD), RAM 4500/ 5500 Cab Chassis (DP), RAM 3500 Pickup (D2), RAM 2500 Pickup (DJ), RAM 1500 Pickup (DS) and RAM 1500 Pickup (DT) vehicles to the Powertrain Pre-Authorization program to ensure proper repair of Rear Axle Assembly failures and to assist in quality…
• 11007993Sep 18, 2024Transmission and drivetrain. WARRANTY BULLETIN D-24-15 announces the addition of the Rear Axle Assembly replacement for 2019 - 2024 RAM 3500 Cab Chassis (DD), RAM 4500/ 5500 Cab Chassis (DP), RAM 3500 Pickup (D2), RAM 2500 Pickup (DJ), RAM 1500 Pickup (DS) and RAM 1500 Pickup (DT) vehicles to the Powertrain Pre-Authorization program for all dealers (Base, Plus & Premium) to ensure proper repair of Rear Axle Assembly failures and to assist in…
• 11007954Sep 17, 2024Electrical system. Battery Drain Suspected or "Identified" From USB or Media Hub
• 11007832Sep 11, 2024Transmission and drivetrain. "WARRANTY BULLETIN D-24-15 Addition of Rear Axle / Differential Assembly for 2019 - 2024 RAM 3500 Cab Chassis (DD) to the Powertrain Service Center (PTSC) Pre-Authorization Program ALL DEALERS"
• 11007831Sep 11, 2024Transmission and drivetrain. "FCA CARIBBEAN WARRANTY BULLETIN ID-24-16 Addition of Rear Axle / Differential Assembly for 2019 - 2024 RAM 3500 Cab Chassis (DD) to the Powertrain Service Center (PTSC) Pre-Authorization Program"
• 11007172Sep 6, 2024Electrical system. Horn Sound Is Weak, Off Tone, Or Inoperative.
• 11006515Aug 17, 2024Electrical system. Wiper Motor Inoperative. Wiper Doesn’t Work or Stops Randomly On Glass
• 11005320Jul 24, 2024Body 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: Verify current warranty policy to determine if digital imaging pre-authorization is required or pre-approval is required from the Regional Office; depending on market.
• 11005228Jul 24, 2024Transmission and drivetrain. TRANSFER CASE BW 44-46 If fluid leak is present between the transfer case and the rear driveshaft on a 4WD vehicle the Output Shaft Seal - service part numbers 68161329AA OR 68449218AA (max tow application) - should be considered in lieu of entire transfer case or driveshaft replacement. In the case of major damage to components, contact StarCenter and/or proceed with replacements as necessary
• 11005361Jul 17, 2024Brakes. Module - anti-lock brake system
• 11005359Jul 17, 2024Brakes. Module - anti-lock brake system
• 11004151Jul 10, 2024Electrical system. Remote Keyless Entry (RKE) Functions Do Not Work, Intermittent Vehicle Response When Using the RKE, Key Not Programmed, Adding Remote Start
• 11005365Jul 8, 2024Engine, Other or unknown. Module kit - urea pump/level unit

← All problems reported for the 2021 Ram 3500