Freightliner Cascadia 2014–2019 — technical service bulletin
Bulletin DOC-1034492 · NHTSA communication 10165493 · issued Sep 30, 2019
Technical service bulletin
communication type
Engine and Engine Cooling
component
2014–2019
model years
6
vehicle entries
Official summary
Service Solution to fix coolant level wiring damage.
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.