Freightliner Cascadia 2020–2021 — technical service bulletin
Bulletin SB54-329 · NHTSA communication 10179865 · issued Sep 10, 2020
Technical service bulletin
communication type
Electrical System
component
2020–2021
model years
2
vehicle entries
Official summary
Updated Service Bulletin for Electrical Wall Chart and VPDM Cover on New Cascadia with Detroit Assurance 5.0 and Multi-Purpose Camera 2. This bulletin replaces the version dated 2/26/2020. Information about Service Bulletin 54-336 has been added.
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.