Freightliner Cascadia 2020–2021 — technical service bulletin
Bulletin SB54-329 · NHTSA communication 10171975 · issued Mar 2, 2020
Technical service bulletin
communication type
Equipment
component
2020–2021
model years
2
vehicle entries
Official summary
Service Bulletin for Electrical Wall Chart and VPDM Cover on New Cascadia with Detroit Assurance 5.0 and Multi-Purpose Camera 2.
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.