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Service bulletin CMI-A4N2C-02

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 id10082048
Published by NHTSA2016-10-12
Manufacturer's numberCMI-A4N2C-02
Manufacturer's date2016-02-25
NHTSA componentEQUIPMENT

NHTSA's summary

THIS IS A REPRESENTATIVE COMMUNICATION SENT TO VEHICLE MANUFACTURERS. A LIMITED NUMBER OF ENGINES SHIPPED FROM CUMMINS WITH RELAXED EGR VALVE HOSE CLAMPS THAT COULD POSSIBLY CAUSE A LEAK AND SOOT DEPOSITS. CUMMINS REPLACED THE HOSE CLAMPS ON THE SUSPECT ENGINES.

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

Equipment and accessories

Vehicles listed
CUMMINS ISX15

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