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Service bulletin TT-14-031

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 id10185625
Published by NHTSA2021-01-19
Manufacturer's numberTT-14-031
Manufacturer's date2016-02-23
NHTSA componentEQUIPMENT; TIRES; ELECTRICAL SYSTEM:INSTRUMENT PANEL:SPEEDOMETER/ODOMETER

NHTSA's summary

The tech tip below is to reset the speedometer after a tire size change or rear end gear change.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system, Equipment and accessories, Tires, Instrument cluster

Vehicles listed
HINO CAB-OVER2013 to 2017
HINO CONVENTIONAL MODELS2011 to 2017

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