Freightliner Cascadia 2020 — technical service bulletin
Bulletin TechTalk566950 · NHTSA communication 10194883 · issued May 26, 2021
Technical service bulletin
communication type
Unknown OR Other
component
2020
model years
1
vehicle entries
Official summary
Tech talk discussion spn 520981 fmi 5 hood tilt switch current below normal or open circuit
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.