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Service bulletin ATC1794A

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 id10084468
Published by NHTSA2016-11-21
Manufacturer's numberATC1794A
Manufacturer's date2016-08-23
NHTSA componentENGINE AND ENGINE COOLING; FUEL/PROPULSION SYSTEM

NHTSA's summary

THIS ACCOUNT TEAM COVERAGE IS BEING ISSUED TO UPGRADE CERTAIN ISX15 CM2350 HIGH PRESSURE FUEL PUMP TAPPETS. THIS FIELD ACTION PROVIDES AUTHORIZATION FOR CERTIFIED REPAIR LOCATIONS TO REPLACE THE BRASS ROLLER PIN TAPPETS IN THE HIGH PRESSURE FUEL PUMP WITH NEW DIAMOND-LIKE COATED ROLLER PIN TAPPETS. THIS A REVISION TO A PREVIOUS COMMUNICATION.

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, Fuel system

Vehicles listed
CUMMINS ISX15

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