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Service bulletin 550459

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 id10121634
Published by NHTSA2017-10-31
Manufacturer's number550459
Manufacturer's date2017-10-30
NHTSA componentELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR; ELECTRICAL SYSTEM

NHTSA's summary

The neutral wire may be improperly stripped and the connection to the generator may not be properly secured with the wire nut.

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

Electrical system, Alternator

Vehicles listed
DYNAMAX FORCE2017 to 2018
DYNAMAX ISATA2017 to 2018
FOREST RIVER DYNAMAX2017 to 2018

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