Service bulletins for the 2023 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.
294 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Lighting are shown. Show all
| S2308000120 REV.B | 2024-06-24. Service bulletin. ELECTRICAL SYSTEM; EXTERIOR LIGHTING. Rain Sensing Auto Wipers and Auto on Head Lamps Inoperative |
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| 21-002-23 | 2023-02-13. Service bulletin. POWER TRAIN; EXTERIOR LIGHTING. K1 Clutch Snap Ring Repair This bulletin involves replacing the K1 clutch drum snap ring and possibly the K1input shaft drum sub-assembly. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find the following DiagnosticTrouble Code (DTC) has been set: P0731-00 - Gear 1 Shift Incorrect Ratio. This DTC will set during a key cycle and shifting into drive. Customers may also comment on the following: The transmission will not shift into/out 1st - 4th gears. 5th and reversegears are still available. |
| S1625000003 Rev. | 2023-02-13. Service bulletin. BACK OVER PREVENTION; EXTERIOR LIGHTING. Malfunction Indicator Lamp (MIL) Illumination. NOx Sensor Diagnostic Trouble Codes (DTCs) Diagnosis Information. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.