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Service bulletin TSB-100890

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 id10051979
Published by NHTSA2013-04-27
Manufacturer's numberTSB-100890
Manufacturer's date2013-01-30
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV); ENGINE

NHTSA's summary

CUMMINS: FREEZING MAY OCCUR, IN CERTAIN COLD WEATHER EVIRONMENTS AND OPERATING CONDITIONS, DUE TO CONDENSATION IN BREATHER SYSTEM AFFECTING HEAVY DUTY APPLICATIONS THAT HAVE EXTERNAL CRANKCASE BREATHER SYSTEMS. MODELS ISM CM876, ISX CM871, ISX11.9/12 CM2250, QSX11.9 CM2250, ISX15 CM2250, QSX15 CM2250, ISX12 CM2350, AND ISX15 CM2350. NO 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, Exhaust and emissions, Crankcase ventilation (PCV)

Vehicles listed
CUMMINS CUMMINS
CUMMINS ISM CM876
CUMMINS ISX CM871
CUMMINS ISX11.9
CUMMINS ISX15
CUMMINS QSX15

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