Cadillac XT4 2024 — technical service bulletin
Bulletin 23-NA-220 · NHTSA communication 10250349 · issued Feb 1, 2024
Technical service bulletin
communication type
Electrical System
component
2024
model years
1
vehicle entries
Official summary
This technical bulletin provides a procedure to correct the condition of Rattle or Vibration Noise Coming from Upper Dash - Windshield Area While Driving.
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.