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April 17, 2026 Service bulletin

Revised Technical Service Bulletin for DT12 Range Detent Diagnostic

Freightliner technical service bulletin TSB-26-001-DDC for 2022-2026 Freightliner Cascadia, 2022-2026 Freightliner Business Class M2 and 2022-2026 Freightliner 114SD and others.

Bulletin number
TSB-26-001-DDC
Component
Power train
Summary
Revised Technical Service Bulletin for DT12 Range Detent Diagnostic

Owners of these vehicles have filed 4 complaints in the transmission category.

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