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Service bulletin TSB120257-092412

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 id10085584
Published by NHTSA2016-12-06
Manufacturer's numberTSB120257-092412
Manufacturer's date2012-10-24
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE); ENGINE

NHTSA's summary

THIS TECHNICAL SERVICE BULLETIN ANNOUNCES THE RELEASE OF AN IMPROVED EXHAUST GAS RECIRCULATION (EGR) COOLER. THE NEW COOLER DESIGN INCLUDES CHANGES FOR IMPROVED COOLANT DISTRIBUTION AND A REVISED GAS DIFFUSER.

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 ISX15

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