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Service bulletin SB 3116

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 id10147452
Published by NHTSA2018-11-13
Manufacturer's numberSB 3116
Manufacturer's date2018-10-18
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

This Service Bulletin informs affected owners that Detroit Diesel Corporation has released bulletin D18M2, advising that some certified GHG17 Detroit DD13 engines installed in model year 2015-2018 MCI J4500 coaches will require reprogramming, and that some of affected coaches may also need their exempt emission label replaced with a certified label.

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
MCI J45002015 to 2018

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