Freightliner Cascadia 2019 — technical service bulletin
Bulletin TechTalk7764 · NHTSA communication 10182004 · issued Oct 13, 2020
Technical service bulletin
communication type
Electrical System
component
2019
model years
1
vehicle entries
Official summary
Tech Talk discussion on D20M8 - SPN521004/FMI 14.
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.