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Service bulletin EF-E10040

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 id10033751
Published by NHTSA2010-09-17
Manufacturer's numberEF-E10040
Manufacturer's date2010-04-17
NHTSA componentENGINE AND ENGINE COOLING:ENGINE; ENGINE AND ENGINE COOLING:ENGINE:DIESEL; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

NHTSA's summary

CUMMINS: BREATHER TUBES FREEZING IN STEP VAN APPLICATIONS. STEP VANS MANUFACTURED BY FREIGHTLINER THAT ARE SUSCEPTIBLE TO WATER FREEZING IN THE BREATHER TUBE. THIS FREEZING CAN CAUSE MULTIPLE COUNTS OF FAULT CODES 555 AND 556 AND LEAD TO PROGRESSIVE DAMAGE OF THE TURBOCHARGER. CHECK FOR ICE IN THE BREATHER TUBE AT THE CONNECTION TO THE TURBOCHARGER INLET. MODELS ISB CM2150. *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 ISB CM2150

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