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Service bulletin SB 417

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 id10119166
Published by NHTSA2017-10-15
Manufacturer's numberSB 417
Manufacturer's date2014-08-18
NHTSA componentENGINE

NHTSA's summary

This Service Bulletin informs affected customers that MCI was notified by Detroit Diesel Corporation (DDC) that it has released Field Action 14W1 addressing a reprogramming change, which DDC advises will prevent fault codes and performance issues on model year 2013-2014 MCI J4500 model coaches equipped with a DDC engine, and that customers should contact their local Detroit Diesel Authorized Repair Facility to schedule an appointment, all parts and repairs will be performed by DDC and its authorized dealers.

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 J45002013 to 2014

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