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Service bulletin sb54224

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 id10141756
Published by NHTSA2018-06-18
Manufacturer's numbersb54224
Manufacturer's date2018-02-26
NHTSA componentELECTRICAL SYSTEM:WIRING; EXTERIOR LIGHTING:TAIL LIGHTS; EQUIPMENT

NHTSA's summary

sb54224 New Severe-Duty Taillight and Trailer PDMs (Power Distribution Modules)

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, Equipment and accessories, Lighting, Tail lights, Wiring and fuses

Vehicles listed
FREIGHTLINER BUSINESS CLASS M22008 to 2009
FREIGHTLINER BUSINESS CLASS M2 106V2005 to 2007
FREIGHTLINER CENTURY CLASS2002 to 2004

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