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Service bulletin SB 440

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 id10090594
Published by NHTSA2017-02-06
Manufacturer's numberSB 440
Manufacturer's date2016-12-13
NHTSA componentENGINE

NHTSA's summary

THIS SERVICE BULLETIN INFORMS AFFECTED CUSTOMERS THAT MCI WAS NOTIFIED BY CUMMINS INC. THAT CUMMINS HAS RELEASED CAMPAIGN C1846 THAT ADDRESSES CALIBRATION ISSUES ON ISX12 2013 ENGINES IN CERTAIN MOTOR COACH OPERATIONS ON MODEL YEAR 2014-2016 MCI D MODEL COACHES AND MODEL YEAR 2014-2016 MCI J4500 MODEL COACHES. THIS PROGRAM IS BEING PERFORMED ONLY BY CUMMINS SERVICE NETWORK AND ITS AUTHORIZED DEALERS, THEREFORE, ALL PARTS AND LABOR REQUIRED FOR THIS PROGRAM WILL BE PROVIDED BY CUMMINS.

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Engine

Vehicles listed
MCI D40002014 to 2016
MCI D4000ISTV2014 to 2016
MCI D40052014 to 2016
MCI D45002014 to 2016
MCI D45052014 to 2016
MCI J45002014 to 2016

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