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Service bulletin TSB54-095-WST

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 id11007503
Published by NHTSA2024-09-07
Manufacturer's numberTSB54-095-WST
Manufacturer's date2024-08-14
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

Revised Technical Service Bulletin for New Battery Cable Access (BCA) Parts for Improved Cold Weather Functionality. Description of Revisions: This bulletin replaces the version dated 07/30/2024. Make has been updated in the described condition.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system

Vehicles listed
WESTERN STAR 47X2021 to 2025
WESTERN STAR 49X2021 to 2025
WESTERN STAR 57X2024 to 2025

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