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Service bulletin TSB-150003

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 id10058916
Published by NHTSA2015-12-17
Manufacturer's numberTSB-150003
Manufacturer's date2015-07-06
NHTSA componentENGINE

NHTSA's summary

CUMMINS: INFORMATION REGARDING THE CHANGE AND SHAPE OF ENGINE BRAKE WHERE THE ENGINE BRAKE SOLENOIDS HAVE CHANGED AND LOCATION DUE TO ENGINE STANDARDIZED BRAKE DESIGN ACROSS ISX12 AND ISX12 G MODELS. ISX12 C. N YEARS LISTED. *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

Engine

Vehicles listed
CUMMINS ISX11.9
CUMMINS ISX12

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