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Service bulletin 54149

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 id627542
Published by NHTSA2002-02-11
Manufacturer's number54149
Manufacturer's date2001-09-01
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

SOME VEHICLES HEADLAMP/DAYTIME RUNNING LIGHTS ELECTRICAL HARNESS CONNECTORS MAY CORRODE AND FAIL. *SLC

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

Electrical system

Vehicles listed
FREIGHTLINER COLUMBIA

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