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Service bulletin 54141

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 id622359
Published by NHTSA2001-10-17
Manufacturer's number54141
Manufacturer's date2001-06-01
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM

NHTSA's summary

ON SOME VEHICLES EQUIPPED WITH CUMMINS ISM ENGINES, THE LOW COOLANT LEVEL (LCL) SENSOR MAY LATCH HIGH (DRAW TOO MUCH CURRENT) AND ATTEMPT TO DRAW MORE CURRENT THAN THE POWER SUPPLY CAN PROVIDE. *TT

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, Cooling system

Vehicles listed
FREIGHTLINER BUSINESS CLASS

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