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Service bulletin FSB 364-040

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 id10082808
Published by NHTSA2016-10-18
Manufacturer's numberFSB 364-040
Manufacturer's date2015-12-10
NHTSA componentENGINE

NHTSA's summary

WAIT TO START INDICATOR LAMP, REPLACEMENT. CERTAIN MACK TRUCKS EQUIPPED WITH A CUMMINS DIESEL ENGINE AND BUILT BETWEEN DECEMBER 3, 2012 AND SEPTEMBER 25, 2015 MAY DISPLAY DIAGNOSTIC TROUBLE CODE (DTC) SPN 3494 “WAIT TO START” IN THE ENGINE CONTROL MODULE (ECM). ADDITIONALLY, THE WAIT TO START INDICATOR LAMP MAY ILLUMINATE DIMLY, CAUSING POOR VISIBILITY OF THE INDICATOR LAMP.

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

Engine

Vehicles listed
MACK GU2013 to 2016

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