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Service bulletin FSB-284-062

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 id10058905
Published by NHTSA2015-12-16
Manufacturer's numberFSB-284-062
Manufacturer's date2015-07-01
NHTSA componentENGINE; ELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

MACK TRUCK: DURING EXTREMELY COLD AMBIENT TEMPERATURES, AT START UP, SOME TRUCKS MAY EXPERIENCE THROTTLE DELAYS, UNTIL ENGINE TEMPERATURES ARE OPERATIONAL ACHIEVED. MODEL 2014-15 LEU, MRU. *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 LEU2014 to 2015
MACK MRU2014 to 2015

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