Service bulletins for the 2021 Ram 5500
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.
369 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Power windows are shown. Show all
| 0807221 | 2023-01-17. Service bulletin. VISIBILITY:POWER WINDOW DEVICES AND CONTROLS; ELECTRICAL SYSTEM. Flash: Driver Door Module (DDM) and Passenger Door Module (PDM) Updates This bulletin involves reprogramming the DDM and PDM with the latest available software. This software is for vehicles on the RRT VIN List is to improve the function and reliability of the power windows operation. |
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| 0807221 | 2022-10-17. Service bulletin. VISIBILITY:POWER WINDOW DEVICES AND CONTROLS. Flash: Driver Door Module (DDM) and Passenger Door Module (PDM) Updates This bulletin involves reprogramming the DDM and PDM with the latest available software. This software is for vehicles on the RRT VIN List is to improve the function and reliability of the power windows operation. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.