Freightliner Cascadia 2015–2022 — technical service bulletin
Bulletin SS3113-FTL2022 · NHTSA communication 10225500 · issued Oct 31, 2022
Technical service bulletin
communication type
Engine and Engine Cooling
component
2015–2022
model years
8
vehicle entries
Official summary
Service Solution for DPF Harness Rub-Chafe onTrans-Wire Braided Air Hose.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.