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Service bulletin DD-14TL-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 id10056790
Published by NHTSA2015-02-20
Manufacturer's numberDD-14TL-1
Manufacturer's date2014-09-18
NHTSA componentFUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP; FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP

NHTSA's summary

DETROIT: A SERVICE KIT IS AVAILABLE FOR HIGH PRESSURE FUEL PUMP FUEL THAT MUST BE REPLACED IF HIGH PRESSURE FUEL PUMP SEAL IS DAMAGED OR DISTURBED. *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

Fuel system, Fuel pump

Vehicles listed
DETROIT DIESEL DD16

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