WenmarOpen by Wenmar Pro

Service bulletins for the 2019 Ram 4500

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.

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

By type

By component

By trouble code

By topic

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
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. 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.
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.
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)
OD553412019-07-15. Service bulletin. EQUIPMENT; ENGINE. Vehicles Eligible For CSN U07 And V08, V11 or V16 Important Update To U07 Dealer Instructions
549352019-07-15. Service bulletin. ENGINE; EQUIPMENT. Sensor-nitrous oxlde
553112019-07-15. Service bulletin. EQUIPMENT; ENGINE. Damper-Steering
553222019-07-15. Service bulletin. EQUIPMENT; ENGINE. Head-Cylinder
553242019-07-15. Service bulletin. ENGINE. Head-Cylinder
552212019-07-15. Service bulletin. ENGINE; EQUIPMENT. Engine Oil- OW20
550962019-07-15. Service bulletin. ENGINE. Engine Oil- OW20
549312019-07-15. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. TAILPIPE - EXHAUST
90033572019-07-15. Service bulletin. ENGINE; EQUIPMENT. ADAPTER, Engine Oil Filter (Pentastar V6) Engineering is seeking information regarding OFA leaks. Questions/info can be directed to: Bob Jackson (248) 944-0466 - bob.jackson@fcagroup.com Ron Dallison (248-292-9510) ron.dallison@fcagroup.com Joe Lovell (734) 309-6467 - joe.lovell@fcagroup.com If no response in 15 minutes, proceed with repair. All vehicles equipped with a 3.2L or 3.6L except for model year 2014 vehicles with leak concern: 1) Ensure the Oil Filter Adapter (OFA) Cap O-ring is seated in the proper groove in the cap and not damaged or cut. 2) If replacing the (OFA) due to a leak detected between (OFA) and block. Ensure the torque on the 5 bolts are torqued to 12nm. If not record the actual values, torque to 12nm and contact the FCA employees listed below. 3) Remove the (OFA) and replace the O-ring and gaskets only (Kit #68191356A$), NOT THE OFA. 4) If oil was drained, add oil dye to ensure the leak is repaired. For model year 2014 vehicles replace the Oil Filter Adaptor.

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