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Service bulletins for the 2019 Ram 2500

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.

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

By type

By component

By trouble code

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
09-011-202020-08-24. Service bulletin. ENGINE AND ENGINE COOLING. 6.7L New Oil Usage Information This bulletin provides information regarding the correct oil grade to use on the 6.7L Cummins used in the 2019 and newer HD Trucks. The following information is intended to eliminate confusion.
S20090000032020-07-27. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER. Turbocharger vs Turbocharger Actuator Replacement
S20180000072020-07-27. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER. Diagnostic Trouble Code (DTC) P0299 ? Turbocharger Underboost Additional Diagnostics
S20080000792020-07-27. Service bulletin. ENGINE. Cluster Engine Run Hours Resets To Zero While Driving
09-003-20 REV. C2020-06-22. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. Inspect Throttle Body Assembly This bulletin involves inspecting the Julian date on the throttle body and possibly replacing it. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Code (DTC) has been set:P2100 - Electronic Throttle Control Motor Circuit/Open - Bank 1. The customer may also describe the vehicle is in limp home mode.
S20180000052020-06-22. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE); EQUIPMENT. Malfunction Indicator Lamp (MIL) Illuminated. Diagnostic Trouble Code (DTC) P046C ? Exhaust Gas Recirculation Temperature Sensor ?A? Circuit Low Set.
S20090000022020-06-22. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:ENGINE:DIESEL; FUEL SYSTEM, DIESEL. Oil Leak From The Front Timing Gear Housing Gasket. (Note: ETL, ETK, ETM, ETN Diesel Engines)
S16250000072020-06-22. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL; FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Code (DTC) P207F ? Reductant Quality Performance Set.
90042452020-06-22. Service bulletin. STEERING:GEAR BOX (OTHER THAN RACK AND PINION); ENGINE AND ENGINE COOLING. GASKET, Timing Case Cover, Rear Gear Housing For 2017-2020 model years only. If you are replacing the timing housing gasket due to an oil leak, please take detailed pictures of the leak, and submit them to the Star Center. Once submitted, continue with the repair. During the repair, check the breakaway torque of the gear housing retaining bolts. If any are found to be loose, note the location of the loose bolt(s) in the Star case.
90042482020-05-26. Service bulletin. ENGINE AND ENGINE COOLING. Compressor RAM HD/CC. For AC Compressor, If you detected any issue related with: The AC blows warm air, Not Cold, Not cold enough. There is an investigation in the HVAC system If you detected an issue in the HVAC system, follow the procedure "Heating and Air Conditioning Diagnosis and Testing (A/C PERFORMANCE)" Prior to replacement compressor please check first the Temperature on the Evaporator: at 5°C +/- 2 °C & compressor cycling. If you review it and the compressor gets the temperature & it cycling, please continue to your work in other possible HVAC issue. If you have any question or you need more information you can contact us by phone or email contact FCA Redacted Content or by email: FCA Redacted Content If no response in 15 minutes, proceed with repair.
90042452020-05-26. Service bulletin. ENGINE AND ENGINE COOLING; PARKING BRAKE. Gasket, Timing Gear Housing For 2019, and 2020 Model Year Only. If you are replacing the timing housing gasket due to an oil leak, please take detailed pictures of the leak, and submit them to the Star Center. Once submitted, continue with the repair. During the repair, check the breakaway torque of the gear housing retaining bolts. If any are found to be loose, note the location of the loose bolt(s) in the Star case.
09-003-20 REV. B2020-05-26. Service bulletin. ENGINE AND ENGINE COOLING; EXTERIOR LIGHTING; STRUCTURE. Inspect Throttle Body Assembly This bulletin involves inspecting the Julian date on the throttle body and possibly replacing it. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Code (DTC) has been set:P2100 - Electronic Throttle Control Motor Circuit/Open - Bank 1. The customer may also describe the following:The vehicle is in limp home mode.
09-003-20 REV. A2020-05-26. Service bulletin. STRUCTURE; ENGINE AND ENGINE COOLING; EXTERIOR LIGHTING. Inspect Throttle Body Assembly This bulletin involves inspecting the Julian date on the throttle body and possibly replacing it. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Code (DTC) has been set:P2100 - Electronic Throttle Control Motor Circuit/Open - Bank 1. The customer may also describe the following:The vehicle is in limp home mode.
VB6 Rev. 32020-05-26. Service bulletin. ENGINE AND ENGINE COOLING. Revised Emissions Recall VB6 Diesel Engine Calibration
09-003-20 REV. B2020-05-18. Service bulletin. STRUCTURE; ENGINE AND ENGINE COOLING; EXTERIOR LIGHTING. Inspect Throttle Body Assembly This bulletin involves inspecting the Julian date on the throttle body and possibly replacing it. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Code (DTC) has been set:P2100 - Electronic Throttle Control Motor Circuit/Open - Bank 1. The customer may also describe the following:The vehicle is in limp home mode.
VB6 Rev. 32020-05-18. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL. Revised Emissions Recall VB6 Diesel Engine Calibration
09-003-20 REV. B2020-04-27. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. Inspect Throttle Body Assembly This bulletin involves inspecting the Julian date on the throttle body and possibly replacing it. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Code (DTC) has been set:P2100 - Electronic Throttle Control Motor Circuit/Open - Bank 1. The customer may also describe the following:The vehicle is in limp home mode.
09-003-20 REV. A2020-04-27. Service bulletin. POWER TRAIN; ENGINE AND ENGINE COOLING. Inspect Throttle Body Assembly This bulletin involves inspecting the Julian date on the throttle body and possibly replacing it. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Code (DTC) has been set:P2100 - Electronic Throttle Control Motor Circuit/Open - Bank 1. The customer may also describe the following:The vehicle is in limp home mode.
09-003-202020-04-06. Service bulletin. ENGINE AND ENGINE COOLING. Inspect Throttle Body Assembly This bulletin involves inspecting the Julian date on the throttle body and possibly replacing it. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Code (DTC) has been set:P2100 - Electronic Throttle Control Motor Circuit/Open - Bank 1. The customer may also describe the following:The vehicle is in limp home mode.
VB6 Rev. 12020-04-06. Service bulletin. FUEL SYSTEM, DIESEL; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. Emissions Recall VB6 Diesel Engine Calibration
S19180000032020-04-06. Service bulletin. ENGINE. Intermittent Engine Buck, Surge, or Misfire.
18-089-192019-12-16. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE. wiTECH Small Leak Verification Test (SLVT) - P0456-EVAP SYSTEM SMALL LEAK
D-19-02 REV. B2019-12-16. Service bulletin. ENGINE. Fast Feedback Program - 6.7L Cummins Engine - 2019 HD Ram - All Models (Rev. B)
90041432019-12-02. Service bulletin. ENGINE AND ENGINE COOLING. MASTER CYLINDER, Brake Prior to replacing master cylinder, please call Paul Kuehl at (248) 535 -7013 and/or Tim Parks at (248) 202-0919. If no response in 15 minutes, proceed with repair.
90036802019-10-28. Service bulletin. ENGINE; ENGINE AND ENGINE COOLING. RETAINER, Crankshaft Rear Oil Seal Oil leak from rear engine seal retainer or windage tray/gasket Check for other sources of leaks using dye such as gallery plugs, camshaft cup plug at rear of engine, rear of engine valley for possible MDS solenoid, VVT solenoid, block porosity or transmission leaks. If another source of the leak was identified, proceed with the appropriate repairs. Engineering is looking for assistance in determining root cause and a corrective action on crankshaft rear oil seals and windage tray/gaskets. For concerns related to rear crankshaft seal oil leaks and windage tray gaskets, please send an email to brenton.swank@fcagroup.com. Include the VIN, mileage, and any photos identifying where the leak is coming from using dye, such as: 1. Leak between rear seal and crankshaft (seal rolled during installation) 2. Leak between outer diameter of rear seal and retainer 3. Leak between rear seal retainer and engine block (Please record the 5 retainer bolts residual torque in tightening direction) 4. Leak between rear seal retainer and windage tray/gasket (Please record the oil pan bolts residual torque in tightening direction) If the source of the leak cannot be identified, please contact Brenton Swank at (248) 804-9386 or Brenton.Swank@FCAGroup.com If no response in 15 minutes, proceed with repair.

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