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Service bulletin ITS-4539

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 id10036960
Published by NHTSA2011-04-23
Manufacturer's numberITS-4539
Manufacturer's date2011-04-01
NHTSA componentFUEL SYSTEM, GASOLINE; EQUIPMENT

NHTSA's summary

NEW FLYER: REPOSITION CNG VALVE MONITOR MODULE IN REAR PLC ENCLOSURE. FOLLOW PROCEDURE LISTED IN BULLETIN. MODELS INCLUDE 40FT AND CNG (LOW FLOOR). *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

Equipment and accessories, Fuel system

Vehicles listed
NEW FLYER NEW FLYER

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