Freightliner Cascadia 2019–2020 — technical service bulletin
Bulletin SB54-318 · NHTSA communication 10179140 · issued Aug 31, 2020
Technical service bulletin
communication type
Electrical System
component
2019–2020
model years
2
vehicle entries
Official summary
Service Bulletin for New Cascadia describing cab-to-chassis redundant ground strap installation to prevent damage to cab wiring. This bulletin replaces the version dated 10/29/2019. The vehicle build date has been updated.
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.