Check a VIN

February 18, 2026 Service bulletin

Technical Service Bulletin for ESC warning lamp and ECU replacement

Western Star technical service bulletin TSB-54-104-WST for 2022-2026 Western Star 47X and 2022-2026 Western Star 49X.

Bulletin number
TSB-54-104-WST
Component
Service brakes
Summary
Technical Service Bulletin for ESC warning lamp and ECU replacement

Owners of these vehicles have filed 2 complaints in the brakes category.

Vehicles covered

VIN decoder

See the problems and recalls for an exact car

Buying a used Western Star 47X?

Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.

Check its history