Freightliner Cascadia 2007–2017 — technical service bulletin
Bulletin DOC-1033833 · NHTSA communication 10151527 · issued Sep 6, 2018
Technical service bulletin
communication type
Electrical System
component
2007–2017
model years
11
vehicle entries
Official summary
SS 1033833- Service Solution for Cascadia Parksmart 100 amp Durakool relay upgrade
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.