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Service bulletin SM1605

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 id10128905
Published by NHTSA2018-02-21
Manufacturer's numberSM1605
Manufacturer's date2016-07-22
NHTSA componentFUEL SYSTEM, DIESEL

NHTSA's summary

Maximum Oil Drain Intervals for Cummins ISB 6.7: Dealer Memo is to clarify the service maximum interval for the engine oil and filter replacement, in all Driver?s Handbooks and Service Manuals for 2015 and 2016 Vision, Forward Engine All American, and TX4 products with Cummins ISB 6.7 Diesel engine.

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

Fuel system

Vehicles listed
BLUE BIRD ALL AMERICAN2015 to 2016
BLUE BIRD VISION2015 to 2016

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