Freightliner Cascadia 2018–2021 — technical service bulletin
Bulletin SF611REV2 · NHTSA communication 10213226 · issued May 17, 2022
Technical service bulletin
communication type
Electrical System
component
2018–2021
model years
4
vehicle entries
Official summary
Revised Field Service Campaign for Cascadia CTP Reset. Certain vehicles equipped with DTNAs proprietary Common Telematics Platform (CTP) are not communicating; therefore they are unable to benefit from over-the-air software updates. The CTP will be reset and some will also be initialized.
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.