Freightliner Cascadia 2017–2019 — technical service bulletin
Bulletin SF578 · NHTSA communication 10162263 · issued May 8, 2019
Technical service bulletin
communication type
Electrical System
component
2017–2019
model years
3
vehicle entries
Official summary
Forward Chassis Wiring Harness Recall Bulletin
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.