Freightliner Cascadia 2020–2022 — technical service bulletin
Bulletin TS382-2021 · NHTSA communication 10199374 · issued Jul 16, 2021
Technical service bulletin
communication type
Forward Collision Avoidance
component
2020–2022
model years
3
vehicle entries
Official summary
Training Solutions for Detroit Assurance Frontend Radar (RDF) General Troubleshooting Approach. This solution acts as an overall guide for troubleshooting Frontend Radar (RDF), Adaptive Cruise Control (ACC), and Active Brake Assist (ABA) issues. The troubleshooting approach below is an all-encompassing approach to address most of the relevant complaints related to the RDF. Some of it may be redundant for the specific issue you run into but most likely will address the issue you are facing.
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.