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Service bulletin DD-15-OEM-01

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 id10057382
Published by NHTSA2015-05-22
Manufacturer's numberDD-15-OEM-01
Manufacturer's date2015-01-30
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:DIESEL; EQUIPMENT ADAPTIVE/MOBILITY

NHTSA's summary

DETROIT: SWITCHED INPUT, FIXED RESISTANCE TYPE SENSOR IS REQUIRED FOR COOLANT LEVEL SENSOR AND CORRECT SIGNAL VOLTAGE LEVELS ARE PRESENT IN ENGINE. *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, Equipment and accessories

Vehicles listed
DETROIT DIESEL DETROIT

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