Infiniti QX50 2019–2022 — technical service bulletin
Bulletin ITB23-003 · NHTSA communication 10231089 · issued Jan 20, 2023
Technical service bulletin
communication type
Structure
component
2019–2022
model years
4
vehicle entries
Official summary
NOISE FROM MOONROOF IF YOU CONFIRM While driving with the moonroof closed, an abnormal noise (popping, cracking, squeaking) is present from the moonroof. HINT: The noise may be intermittent and can be from one or both sides of the moonroof. ACTION Follow the SERVICE PROCEDURE outlined in this bulletin to add a shim to the driver (LH) side and passenger (RH) side moonroof guide mounting bolts.
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.