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Service bulletin 54-39

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 id10052543
Published by NHTSA2013-08-13
Manufacturer's number54-39
Manufacturer's date2013-06-01
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

WESTERN STAR: PYROMETER THERMOCOUPLE, AMMETER SHUNT, FUEL LEVEL, AND OTHER SENSOR INPUTS MAY BE CONNECTED TO THE RX MODULE. NO MODEL YEARS WERE PROVIDED. *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

Electrical system

Vehicles listed
WESTERN STAR 49001994
WESTERN STAR 49001998, 1999
WESTERN STAR 69001998, 1999
WESTERN STAR CONSTELLATION
WESTERN STAR HERITAGE

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

Recalls for the same vehicles and component
20020642002-04-04. Electrical
01V3870002001-12-17. ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.