Service bulletins for the 2022 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.
541 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
Only bulletins with component: Driver assistance are shown. Show all
| 18-034-21 REV. A | 2021-12-13. Service bulletin. FUEL SYSTEM, GASOLINE; BACK OVER PREVENTION; FUEL SYSTEM, DIESEL. P203E and P203F Additional Diagnostic Information This bulletin provides additional information regarding diagnosing Diesel Exhaust Fluid (DEF) issue in extreme cold weather. Diagnostic Trouble Codes (DTCs) P203E - Reductant Level Sensor 1 Circuit Intermittent and/or P203F - Reductant Level Too Low set. |
|---|---|
| 08-172-21 | 2021-12-13. Service bulletin. SERVICE BRAKES, HYDRAULIC; PARKING BRAKE; BACK OVER PREVENTION; TRAILER HITCHES; ELECTRICAL SYSTEM:WIRING:SWITCHES/KNOBS/BUTTONS. Radio Enhancements This bulletin involves inspecting the software level and updating the software if needed. The software will be updated from S21.8 or S21B.5 to S21C.6. Customers may experience one or more of the following:Valet mode inoperable(DT TRX only). Right and left trailer camera view is inoperable, soft buttons do not work, and "More Cams" button down does not show on Trailer 360 mode. Unable to program Trailer Tire Pressure Monitor (TTPM) warning. In addition the following enhancement are included:CarPlay® enhancements. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.