2019 Ram 4500 Technical Service Bulletins

603 technical service bulletins (TSBs) are on record for the 2019 Ram 4500. 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.

• 11019600Jun 11, 2025Other or unknown. Warranty Newsletter – Volume 11, Issue 6
• 11019598Jun 11, 2025Other or unknown. FCA Caribbean Warranty Newsletter – Volume 11, Issue 6
• 11019433Jun 6, 2025Fuel system. "Frequent Repairs Of Fuel System Components Such As Fuel Filters Numerous Stellantis vehicles having fuel line components replaced such as fuel filter. Occasionally, components are replaced before their standard life expectancy or when not contaminated with debris "
• 11018863May 29, 2025Fuel system. "Frequent Repairs Of Fuel Line Components Such As Fuel Filters Numerous Stellantis vehicles having fuel line components replaced such as fuel filter. Occasionally, components are replaced before their standard life expectancy or when not contaminated with debri "
• 11018859May 28, 2025Engine. D-19-02 Rev. L Fast Feedback Program - 6.7L Cummins Complete Engine, Long Block & Short Block - 2019 - 2024 HD Ram - (D2/DD/DF/DJ/DP)
• 11018809May 28, 2025Other or unknown. CORE - HEATER
• 11018649May 23, 2025Other or unknown, Engine. Module, Urea Pump/Level: HD 6.7L (ETL/ETN/ETM) with Mil On P21C4-00 (Reductant Line Heater Relay Control Circuit High / U11C1-00 (Reductant Control Module Received Implausible Data From ECM/PCM), do not replace the DEF Pump. Follow TSB's released and appropriate Service Diagnostics.
• 11018676May 21, 2025Suspension. "Shock And Strut Diagnosis And Replacement Guidelines Leaking, noisy, or weak shocks or struts. "
• 11018485May 17, 2025Fuel system. "Frequent Repairs Of Fuel Line Components Such As Fuel Filters Numerous Stellantis vehicles having fuel line components replaced such as fuel filter. Occasionally, components are replaced before their standard life expectancy or when not contaminated with debris "
• 11018447May 16, 2025Electrical system. "Washer Light On And Will Not Turn Off After Adding Washer Solvent."
• 11017451May 1, 2025Electrical system. LAMP - DOME
• 11016617Apr 4, 2025Electrical system, Body and structure. Rear Defogger Solder Terminals Detached.
• 11016440Apr 3, 2025Electrical system. Remote Keyless Entry (RKE) Functions Do Not Work, Intermittent Vehicle Response When Using the RKE, Key Not Programmed, Adding Remote Start
• 11016060Mar 28, 2025Other or unknown. "6 CONTROL UNIT, Diesel Exhaust Customer complaints with malfunction light illuminated on 2019 thru 2024 MY DJ / D2 / DD / DP vehicles with 6.7L (ETL / ETM / ETN) built on or before October 15,2024 and exhibiting DTCs P21C4-00 (Reductant Line Heater Relay Control Circuit High) and / or U11C1-00 (Reductant Control Module received implausible Data from ECM / PCM). These DTCs will occur after installation of service…
• 11015599Mar 10, 2025Other or unknown. Malfunction Indicator Lamp (MIL) Illumination, Diagnostic Trouble Codes (DTCs) P21C4 – (Diesel Exhaust Fluid) Reductant Line Heater Control Circuit High, and U11C1 – Reductant Control Module Received Implausible Data From ECM/PCM, Set
• 11014714Feb 27, 2025Other or unknown. "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."
• 11014529Feb 20, 2025Electrical system. Touchscreen For all infotainment system repairs (touchscreens, radios, etc.), refurbished parts may be available. Follow the Infotainment Ordering guide available under the "Parts" section of Dealer Connect: DealerCONNECT> Parts> News& Information> Audio & Electronic Products Exchange Process
• 11014887Feb 17, 2025Lane departure, Back-over prevention (rear camera). Camera - rear view
• 11014869Feb 17, 2025Lane departure. Camera - rear view
• 11014369Feb 11, 2025Transmission and drivetrain, Other or unknown. "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"
• 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
• 11011774Dec 11, 2024Back-over prevention (rear camera). Backup Camera Poor Image Quality Inspection
• 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.
• 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
• 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
• 11007172Sep 6, 2024Electrical system. Horn Sound Is Weak, Off Tone, Or Inoperative.
• 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
• 11002802Jun 28, 2024Other or unknown. "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…

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