Freightliner Cascadia 2019 — technical service bulletin
Bulletin TechTalk6530 · NHTSA communication 10181945 · issued Oct 12, 2020
Technical service bulletin
communication type
Equipment Adaptive/mobility
component
2019
model years
1
vehicle entries
Official summary
Tech talk discussion on p4 icu trailer disconnect warning.
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.