Freightliner Cascadia 2020–2021 — technical service bulletin
Bulletin SB54-341 · NHTSA communication 10189334 · issued Mar 12, 2021
Technical service bulletin
communication type
Wheels
component
2020–2021
model years
2
vehicle entries
Official summary
Updated Freightliner Service Bulletin for Tire Pressure Monitoring System (TPMS) Water Intrusion. This bulletin replaces the bulletin dated 02/08/2021. The location for the date stamp has changed. A note has been added to Fig. 2.
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.