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Service bulletin ATC1659

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 id10086001
Published by NHTSA2016-12-13
Manufacturer's numberATC1659
Manufacturer's date2015-07-13
NHTSA componentENGINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)

NHTSA's summary

THIS ACCOUNT TEAM COVERAGE ADDRESSES PLUGGING OF THE EGR COOLERS AND EGR VALVES ON CERTAIN ENGINES RESULTING IN FAULT CODE 1896 AND/OR FAULT CODE 3382 ON CERTAIN ENGINES IN TRANSIT BUS APPLICATIONS. THIS DOCUMENT AUTHORIZES THE REPLACEMENT OF PISTONS AND VALVE STEM SEALS, AND IF REQUIRED, UPDATING THE ECM CALIBRATION.

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, Exhaust and emissions, EGR valve

Vehicles listed
CUMMINS ISL9

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