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Service bulletin TSB150068-051115

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 id10087664
Published by NHTSA2017-01-03
Manufacturer's numberTSB150068-051115
Manufacturer's date2015-05-15
NHTSA componentEQUIPMENT; ENGINE

NHTSA's summary

THIS TECHNICAL SERVICE BULLETIN DESCRIBES THE VERFICATION AND RESOLUTION OF FAULT CODE 2722 DUE TO A LOW PRESSURE REGULATOR HOUSING CASTING DEFECT.

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, Equipment and accessories

Vehicles listed
CUMMINS WESTPORT ISX12 G

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