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Service bulletin ITS61040

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 id11030371
Published by NHTSA2026-03-31
Manufacturer's numberITS61040
Manufacturer's date2026-03-20
NHTSA componentFUEL/PROPULSION SYSTEM; ENGINE

NHTSA's summary

Instructions to remove DEF sensor bypass calibration from engine ECM and new sensor installation AR - MD30 buses

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

Engine, Fuel system

Vehicles listed
NEW FLYER MD302016

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