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Service bulletin SB-14M-1

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 id10055588
Published by NHTSA2014-06-18
Manufacturer's numberSB-14M-1
Manufacturer's date2014-06-18
NHTSA componentENGINE

NHTSA's summary

DETROIT DIESEL: THE DEF PUMP MAIN FILTER MAY NOT BE SEATED CORRECTLY. THIS COULD CAUSE BLOCKAGE TO THE DEF DOSING UNIT INLET SCREEN. SOME CERTIFIED GHG14 DD PLATFORM ENGINES WILL REQUIRE THE REPLACEMENT OF THE DEF PUMP MAIN FILTER AND DEF DOSING UNIT INLET SCREEN. UPDATED 06/18/2014 *JS

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
DETROIT DIESEL DD13
DETROIT DIESEL DD15
DETROIT DIESEL DD16

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