Freightliner Cascadia 2019–2022 — technical service bulletin
Bulletin ICI21-027 · NHTSA communication 10200610 · issued Aug 24, 2021
Technical service bulletin
communication type
Service Brakes, Hydraulic
component
2019–2022
model years
6
vehicle entries
Official summary
Important Campaign Information Letter for SF622 â  Campaign Revision/Reactivation. This letter is to inform you that the work instructions for Field Service Campaign SF622, Cascadia/49X ABS MBSP+ Controller Software Update have been revised.
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.