Freightliner Cascadia 2020 — technical service bulletin
Bulletin SF597 · NHTSA communication 10171366 · issued Feb 14, 2020
Technical service bulletin
communication type
Electrical System
component
2020
model years
1
vehicle entries
Official summary
Field Service Campaign for Freightliner Cascadia Passenger-Side Dome Light. Certain Freightliner Cascadia vehicles may have an inoperable dome light which normally activates upon opening the right-side (passenger) door. Vehicles will be inspected by opening the right-side (passenger) door, and if dome light is inoperable, a modification will be made to the wiring harness.
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.