Freightliner Cascadia 2016–2019 — technical service bulletin
Bulletin 19TS-8 · NHTSA communication 10164555 · issued Sep 8, 2019
Technical service bulletin
communication type
Fuel System, Gasoline
component
2016–2019
model years
4
vehicle entries
Official summary
Technical Service Letter for Incorrect ICUC Fuel Economy Reading for New Cascadia units built or updated to CPC3Evo software version R31.23 and equipped with a 3rd party telematics device.
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.