Infiniti QX50 2019–2022 — technical service bulletin
Bulletin ITB21-020A · NHTSA communication 10211980 · issued Mar 11, 2022
Technical service bulletin
communication type
Fuel System, Gasoline
component
2019–2022
model years
4
vehicle entries
Official summary
FUEL AND/OR OIL SMELL IS PRESENT WHEN THE VEHICLE IS PARKED IN A CLOSED GARAGE This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
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.