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Service bulletin TSB-101055

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 id10034577
Published by NHTSA2010-12-07
Manufacturer's numberTSB-101055
Manufacturer's date2010-09-10
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER

NHTSA's summary

CUMMINS: AN IMPROVED TURBOCHARGER TO PREVENT TURBINE HOUSING CRACKING DUE TO THERMAL FATIGUE. NEW TURBOCHARGER INCLUDES MORE ROBUST DESIGN, THICKER WALLS AND LARGER RADII FOR ISX15 CM2250 ENGINES. NO MODEL OR MODEL 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, Turbocharger or supercharger

Vehicles listed
CUMMINS CUMMINS
CUMMINS ISX

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