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Service bulletin 167-R1906-01

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 id10162016
Published by NHTSA2019-07-02
Manufacturer's number167-R1906-01
Manufacturer's date2019-06-20
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

Software updates are required for the Engine ECU (Engine Control Unit) and DCU (Dosing Control Unit) modules.

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

Engine

Vehicles listed
HINO J05C ENGINE

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