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Service bulletin 167-T2303-1

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 id10233775
Published by NHTSA2023-04-05
Manufacturer's number167-T2303-1
Manufacturer's date2023-03-01
NHTSA componentEQUIPMENT; ELECTRICAL SYSTEM

NHTSA's summary

DX3 ENGINE ECU PROGRAMMING. The purpose of this procedure is to provide instructions in performing engine ECU programming on 2011 and newer Conventional or COE series trucks using DX3.

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

Vehicles listed
HINO HINO

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