Freightliner Cascadia 2017–2022 — technical service bulletin
Bulletin CTP1Updates · NHTSA communication 10201997 · issued Mar 29, 2021
Technical service bulletin
communication type
Equipment
component
2017–2022
model years
8
vehicle entries
Official summary
DetroitConnect customer communication for certain vehicles unable to complete over the air updates including parameters and DDEC over the air.
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.