Freightliner Cascadia 2020 — technical service bulletin
Bulletin Techtalk5525 · NHTSA communication 10186405 · issued Feb 2, 2021
Technical service bulletin
communication type
Electrical System
component
2020
model years
1
vehicle entries
Official summary
Tech Talk discussion regarding the refrigerator power supply when the ignition is off.
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.