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Service bulletin FSB-284-046

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 id10054821
Published by NHTSA2014-03-01
Manufacturer's numberFSB-284-046
Manufacturer's date2014-01-01
NHTSA componentELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; FUEL SYSTEM, GASOLINE

NHTSA's summary

MACK: THE PARAMETER AIZ (US2010) OR P1I15 (OBD2013) DEFAULT SETTING MAY NEED TO BE ADJUSTED IN ORDER TO IMPROVE THE INSTRUMENT CLUSTER FUEL. *JS

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, Fuel system, Instrument cluster

Vehicles listed
MACK MACK

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