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Service bulletin 9004278

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10221684
Published by NHTSA2022-09-26
Manufacturer's number9004278
Manufacturer's date2020-07-22
NHTSA componentENGINE

NHTSA's summary

GENERATOR KIT, Engine Prior to replacing the generator/alternator please call FCA Redacted Content. If no response in 15 minutes, proceed with repair.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine

Vehicles listed
RAM PROMASTER2020

Listing a model year does not mean every vehicle of it is concerned: the document says which.