Freightliner Cascadia 2017–2022 — technical service bulletin
Bulletin SS3071FTL2021 · NHTSA communication 10189338 · issued Mar 19, 2021
Technical service bulletin
communication type
Electrical System
component
2017–2022
model years
6
vehicle entries
Official summary
Service Solution for New Cascadia Maintenance Indicator Issues. Some customers have reported incorrect or undesired pop up messages occurring in the ICC5 display and have requested field correction.
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.