Service bulletins for the 2022 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.
476 on file from NHTSA, as of 2026-10-19.
About P227F on the 2022 Ram 4500: what the code means, and the bulletins and recalls about the same components.
By type
By component
By trouble code
Only bulletins with trouble code: P227F are shown. Show all
| S2218000013 | 2023-01-17. Service bulletin. ENGINE AND ENGINE COOLING. Malfunction Indicator Lamp (MIL), Service Air Filter Message Illuminated. Diagnostic Trouble Code (DTC) P227F ? Air Flow Restriction ? Air Leak Between Air Filter and MAF, Set. |
|---|---|
| S2218000013 | 2022-10-17. Service bulletin. ELECTRICAL SYSTEM. Malfunction Indicator Lamp (MIL), Service Air Filter Message Illuminated. Diagnostic Trouble Code (DTC) P227F ? Air Flow Restriction ? Air Leak Between Air Filter and MAF, Set. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.