Freightliner Cascadia 2020 — technical service bulletin
Bulletin TechTalk6972 · NHTSA communication 10180358 · issued Sep 17, 2020
Technical service bulletin
communication type
Vehicle Speed Control
component
2020
model years
1
vehicle entries
Official summary
Tech Talk discussion on P4 speedometer issues.
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.