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Service bulletins for the 2019 Ram 3500

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

803 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Bulletins, newest first
91005082025-03-28. Service bulletin. UNKNOWN OR OTHER. "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 DCU 68458603AB. Do not replace parts until after the TSB 25-008-24 is performed. If the DTC(s) continue to set, then follow the Service Diagnostics for the applicable DTC."
S1625000002 REV.B2025-03-13. Service bulletin. UNKNOWN OR OTHER. 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
1032892025-03-04. Service bulletin. BACK OVER PREVENTION: WARNINGS; LANE DEPARTURE: BLIND SPOT DETECTION. CAMERA - REAR VIEW
1032912025-03-04. Service bulletin. STRUCTURE:BODY. PANEL - B PILLAR LOWER TRIM
1032882025-03-04. Service bulletin. LANE DEPARTURE: BLIND SPOT DETECTION. CAMERA - REAR VIEW
1032142025-03-04. Service bulletin. ENGINE; UNKNOWN OR OTHER. CONVERTER - CATALYTIC
1029402025-03-04. Service bulletin. UNKNOWN OR OTHER; ENGINE. CONVERTER - CATALYTIC
03-001-25 REV. B2025-03-04. Service bulletin. UNKNOWN OR OTHER. "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."
91005002025-02-26. Service bulletin. ELECTRICAL 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
03-001-25 REV. A2025-02-19. Service bulletin. POWER TRAIN; UNKNOWN OR OTHER. "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."
03-001-252025-02-11. Service bulletin. POWER TRAIN. "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"
9100393 Rev 12025-02-03. Service bulletin. POWER TRAIN. 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.
90039802025-01-29. Service bulletin. ELECTRICAL 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 lowest position to 311 ohms in the top position (Parade Detent). b.- For the left Dimmer (Ambient Light) between pins 8 & 3. The value should be around 14.52 KOhms, when in the lowest position to 182 ohms in the top position. If a problem is found in the resistor values. Please replace the Switch.
S1408000384 REV.H2025-01-28. Service bulletin. ELECTRICAL 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
S1425000019 REV.A2025-01-23. Service bulletin. UNKNOWN OR OTHER. Malfunction Indicator Lamp (MIL) Illuminated. Diesel Exhaust Fluid (DEF) System Diagnostic Trouble Codes (DTCs) due to Hydrocarbon Contamination.
S1408000384 REV.G2025-01-09. Service bulletin. ELECTRICAL 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
1023072025-01-06. Service bulletin. POWER TRAIN. GEAR - REACTION SUN
1023872025-01-04. Service bulletin. POWER TRAIN. SEAL - OUTPUT SHAFT
1023892025-01-04. Service bulletin. POWER TRAIN. SEAL - OUTPUT SHAFT
S2008000186 REV.B2024-12-21. Service bulletin. ENGINE. Engine Control Module (ECM) Flash Failure, Diagnostic Trouble Code (DTC) U1601 – ECU Application Software Code 1 Missing Or Corrupted
S2208000045 REV.B2024-12-11. Service bulletin. BACK OVER PREVENTION: REARVIEW SYSTEM BRAKING. Backup Camera Poor Image Quality Inspection
05-004-242024-12-10. Service bulletin. SERVICE BRAKES; ELECTRICAL SYSTEM. "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. Customers may also comment on the following: ● Automatic Brake System (ABS) lamp and Electronic Stability Control (ESC) lamp turn on when driving over rumble strips. This bulletin involves replacing one or both rear wheel speed sensors. "
1016832024-12-04. Service bulletin. ENGINE. CONVERTER - CATALYTIC
1017732024-12-04. Service bulletin. ENGINE. CONVERTER - CATALYTIC
25-008-242024-11-18. Service bulletin. UNKNOWN OR OTHER. "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 68458603AB. This bulletin involves reprogramming the DCU with the latest available software."

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.