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Service bulletin TSB170001-010317

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 id10092068
Published by NHTSA2017-02-17
Manufacturer's numberTSB170001-010317
Manufacturer's date2017-01-06
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:DIESEL

NHTSA's summary

THIS TECHNICAL SERVICE BULLETIN DESCRIBES THE VERIFICATION AND RESOLUTION OF FAULT CODE 3574 AND/OR FAULT CODE 6485 CAUSED BY DIESEL EXHAUST FLUID (DEF) TANK DEBRIS ON CERTAIN ENGINES INSTALLED IN KENWORTH AND PETERBILT CHASSIS.

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
CUMMINS C

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