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December 11, 2025 Other

Fleet Communications for TCM Fault 520970/7 – Clutch Unable to Open Fully

Freightliner technical service bulletin FleetCom_TCM Clutch for 2023-2026 Freightliner Cascadia, 2023-2024, 2026 Freightliner 114SD and 2023-2025 Western Star 47X and others.

Bulletin number
FleetCom_TCM Clutch
Component
Power train
Summary
Fleet Communications for TCM Fault 520970/7 – Clutch Unable to Open Fully

Owners of these vehicles have filed 3 complaints in the transmission category.

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