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Service bulletin FSB-284-040

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 id10054292
Published by NHTSA2014-01-09
Manufacturer's numberFSB-284-040
Manufacturer's date2013-08-01
NHTSA componentELECTRICAL SYSTEM:SOFTWARE; ENGINE

NHTSA's summary

MACK: ON CERTAIN TRUCKS, THERE IS A SOFTWARE UPDATE FOR THE ENGINE CONTROL MODULE (ECM). MODEL LEU, MRU. 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, Engine, Software

Vehicles listed
MACK LEU2011 to 2014
MACK MRU2011 to 2014

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