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Service bulletin FSB 373-022

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 id10082875
Published by NHTSA2016-10-19
Manufacturer's numberFSB 373-022
Manufacturer's date2015-12-22
NHTSA componentENGINE

NHTSA's summary

ENGINE HARNESS REPAIR. THE ENGINE HARNESS ON MACK MP7 US2015 ENGINES BUILT BETWEEN MARCH 1, 2015 AND AUGUST 31, 2015 MAY BE MAKING CONTACT WITH THE AIR COMPRESSOR HEAD AND RUBBING THROUGH. WHEN DIAGNOSTIC TROUBLE CODES (DTC) P0201 TO P0206 FMI 13 ARE LOGGING, LOOK IN THIS AREA FIRST.

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

Trouble codes named

P0201, P0206

Vehicles listed
MACK CXU2016
MACK GU2016
MACK LEU2016
MACK MRU2016

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