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Service bulletin 54-265

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 id10043817
Published by NHTSA2012-04-27
Manufacturer's number54-265
Manufacturer's date2012-02-01
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

FREIGHTLINER: THE TREE-WIRE LOW COOLANT LEVEL SENSOR (CAS 700685 001) ON SOME M2 VEHICLES BUILT FROM 2007 TO OCTOBER 8, 2009, WITH CUMMINS ISB AND ISC ENGINES, MAY DEVELOP AN INTERNAL LEAK CAUSING THE ENGINE LIGHT TO ILLUMINATE AND THE ENGINE TO SHUT DOWN. *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
FREIGHTLINER BUSINESS CLASS M22007 to 2009

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