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Service bulletin C-0834

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 id10027665
Published by NHTSA2009-01-29
Manufacturer's numberC-0834
Manufacturer's date2008-09-06
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER

NHTSA's summary

CUMMINS ENGINE: ISC/ISL CM2150 TRANSIT BUS/FIRETRUCK TURBOCHARGER CAMPAIGN. ENGINE MODELS 6C, C8.31SC, ISCE, QSC8.3, ISL, ISLE3, QSL9. MODEL YEARS UNKNOWN. *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

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