Freightliner Cascadia 2020–2026 — technical service bulletin
Bulletin CXA 06_26_Utility Lamp · NHTSA communication 11034519 · issued Jun 18, 2026
Technical service bulletin
communication type
Exterior Lighting
component
2020–2026
model years
7
vehicle entries
Official summary
CX Advocate for Utility Lamp 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.