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Service bulletin ATC1490B

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 id10078759
Published by NHTSA2016-08-17
Manufacturer's numberATC1490B
Manufacturer's date2016-05-10
NHTSA componentENGINE

NHTSA's summary

THIS ACCOUNT TEAM COVERAGE IS BEING ISSUED TO COMPLETE FOUR SPECIFIC FIELD ACTIONS AGAINST A SELECT POPULATION OF ISX11.9/12 ENGINES. CERTAIN ENGINES IN THE POPULATION HAVE ALREADY RECEIVED SOME OF THESE FIELD ACTIONS AND WILL ONLY REQUIRE THE REMAINING OPEN ACTIONS TO BE COMPLETED. FIELD ACTION COMPLETION DETAILS FOR EACH ENGINE ARE PROVIDED IN THE ESN LIST.

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 ISX12
CUMMINS ISX15

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