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Service bulletin TT-15-013

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 id10184979
Published by NHTSA2021-01-04
Manufacturer's numberTT-15-013
Manufacturer's date2015-01-29
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY

NHTSA's summary

Intake and Exhaust - Conventional Trucks (238, 258, 268, or 338) and 2013 - current COE (Cab Over Enginef) Trucks. To provide a better determination of a DPF's internal condition, a Special Service Tool (SST) has been developed. An explanation of SST-HDT-650590 and a brief DPF inspection.

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, Equipment and accessories, Exhaust and emissions

Vehicles listed
HINO CONVENTIONAL TRUCKS W/JO82011 to 2016

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