Freightliner Cascadia 2019 — technical service bulletin
Bulletin TechTalk7674 · NHTSA communication 10180378 · issued Sep 11, 2020
Technical service bulletin
communication type
Power Train
component
2019
model years
1
vehicle entries
Official summary
Tech Talk discussion on P4 DT12 grinds when shifting into lower gears.
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.