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Service bulletin SB 392

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 id10119142
Published by NHTSA2017-10-15
Manufacturer's numberSB 392
Manufacturer's date2012-12-07
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION

NHTSA's summary

This Service Bulletin informs affected customers that coaches equipped with a Cummins 2010 engine may experience intermittent faults on the engine and/or transmission without having the designated warning tell-tale (check engine light and/or check transmission light) illuminate on the instrument panel on model year 2011-2013 D model coaches, and that MCI will remedy the affected coaches at no cost to the customers.

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

Transmission and driveline, Automatic transmission

Vehicles listed
MCI D40002012 to 2013
MCI D45002011 to 2013
MCI D45052011 to 2013

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