Freightliner Cascadia 2020 — technical service bulletin
Bulletin DLRCALFTL54-006 · NHTSA communication 10172591 · issued Mar 18, 2020
Technical service bulletin
communication type
Visibility
component
2020
model years
1
vehicle entries
Official summary
Dealer Letter for New Cascadia vehicles with Detroit Assurance 5.0 regarding automatic headlamp and wiper retrofits. Reference service bulletin 54-324 or MCP submission, 20MC4726, CALFTL54-006.
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.