Freightliner Cascadia 2019 — technical service bulletin
Bulletin TechTalk12338K · NHTSA communication 10189959 · issued Mar 26, 2021
Technical service bulletin
communication type
Electrical System
component
2019
model years
1
vehicle entries
Official summary
Tech Talk discussion on starter relay wire stays hot.
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.