Freightliner Cascadia 2020–2021 — technical service bulletin
Bulletin SB54-341 · NHTSA communication 10187543 · issued Feb 9, 2021
Technical service bulletin
communication type
Tires
component
2020–2021
model years
2
vehicle entries
Official summary
Freightliner Service Bulletin for Tire Pressure Monitoring System (TPMS) Water Intrusion.
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.