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Service bulletin 971101985472

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 id54441
Published by NHTSA1998-04-07
Manufacturer's number971101985472
Manufacturer's date1997-11-01
NHTSA componentELECTRICAL SYSTEM:IGNITION:SWITCH

NHTSA's summary

GENERAL INFORMATION ON THE INSTRUMENTATION CONTROL UNIT (ICU) CONDUCTS A DATA BUS ROLL CALL OF PARTICULAR ELECTRONIC CONTROL UNITS ( ECUS) WHEN THE IGNITION KEYSWITCH IS TURNED ON. *YC

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, Ignition

Vehicles listed
FREIGHTLINER FREIGHTLINER1997

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