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Service bulletin FSB-54-174

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 id10054278
Published by NHTSA2014-01-07
Manufacturer's numberFSB-54-174
Manufacturer's date2013-11-01
NHTSA componentELECTRICAL SYSTEM:WIRING; ELECTRICAL SYSTEM

NHTSA's summary

FREIGHTLINER: THE WIRING FOR STOP/TURN-LIGHT CAN BE CONVERTED FROM COMBINATION TO SEPARATE STOP/TURN LIGHTS AND SEPARATE STOP/TURN LIGHTS CAN BE CONVERTED TO COMBINATION WHICH INVOLVES CONFIGURATION OF WIRING AND PARAMETER REFERENCE CHANGES. MODEL BUSINESS CLASS M2. NO YEARS LISTED. *PE

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Electrical system, Wiring and fuses

Vehicles listed
FREIGHTLINER BUSINESS CLASS M22010 to 2011

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