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Service bulletin TSB150158-100215

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 id10085941
Published by NHTSA2016-12-12
Manufacturer's numberTSB150158-100215
Manufacturer's date2015-10-08
NHTSA componentEQUIPMENT

NHTSA's summary

THIS TECHNICAL SERVICE BULLETIN DESCRIBES THE VERIFICATION AND RESOLUTION OF AFTERTREATMENT DIESEL EXHAUST FLUID (DEF) DOSING UNITS BEING INCORRECTLY IDENTIFIED AS FAILED AFTER FINDING WHAT WAS THOUGHT TO BE A DEF LEAK. THIS IS NORMAL AND DOES NOT INDICATE THAT A MALFUNCTION HAS OCCURED.

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

Equipment and accessories

Vehicles listed
CUMMINS ISB6.7
CUMMINS ISC8.3
CUMMINS ISL9
CUMMINS ISX12
CUMMINS ISX15

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