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Service bulletin 9004414

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 id10227961
Published by NHTSA2022-12-19
Manufacturer's number9004414
Manufacturer's date2022-04-06
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN; FUEL SYSTEM, DIESEL

NHTSA's summary

DRIVE, Fan If a heavy duty diesel vehicle comes in with reports of loud fan noise or fan always on, please call FCA Redacted Content. If no response within 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, Fuel system, Cooling fan, Cooling system

Vehicles listed
RAM 25002019, 2020, 2021, 2022
RAM 35002019, 2020, 2021, 2022
RAM 45002019, 2020, 2021, 2022
RAM 55002019, 2020, 2021, 2022

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

Other bulletins for the same vehicles and component
752672022-05-31. Service bulletin. TUBE - TURBO WATER FEED