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Service bulletin EF-09015

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 id10030304
Published by NHTSA2009-09-21
Manufacturer's numberEF-09015
Manufacturer's date2009-02-24
NHTSA componentVEHICLE SPEED CONTROL:CRUISE CONTROL

NHTSA's summary

CUMMINS: FAULT CODE 784 ACTIVE AND ADAPTIVE CRUISE CONTROL INOPERABLE. ENGINES BUILT WITH OR RECALIBRATED TO THE CALIBRATIONS AND INSTALLED IN TRUCKS EQUIPPED WITH AN EATON VORAD SMARTCRUISE SYSTEM, FAULT CODE 784 MAY BECOME ACTIVE. WHEN THIS HAPPENS, ADAPTIVE CRUISE CONTROL WILL NOT OPERATE, AND STANDARD CRUISE CONTROL MAY NOT OPERATE. ENGINES ISX, QSX15, ISM, ISME, QSM11. *PE

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

Throttle and cruise control

Vehicles listed
CUMMINS ENGINE
CUMMINS ISM
CUMMINS ISX
CUMMINS QSX15

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