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January 28, 2026 Service bulletin

Revised Technical Service Bulletin for ESC Warning Lamp and ECU Replacement

Freightliner technical service bulletin TSB-54-379-FTL for 2021-2026 Freightliner Cascadia, 2021-2026 Freightliner Business Class M2 and 2021-2026 Freightliner 114SD and others.

Bulletin number
TSB-54-379-FTL
Component
Service brakes
Summary
Revised Technical Service Bulletin for ESC Warning Lamp and ECU Replacement

Owners of these vehicles have filed 13 complaints in the brakes category.

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