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Service bulletin 49-579

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 id10029227
Published by NHTSA2009-06-29
Manufacturer's number49-579
Manufacturer's date2009-04-22
NHTSA componentELECTRICAL SYSTEM:WIRING

NHTSA's summary

SMI: CERTAIN LED LIGHTING PRODUCTS MANUFACTURED FOR THE SPECIALTY BRAND OF SCHOOL BUS STOP ARMS MANUFACTURED 3/31/08-12/18/08 LIGHT KITS MAY BE SUBJECT TO REDUCED SERVICE LIFE. *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
SMI STOP ARM

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