This bulletin applies to 2022-2026 Infiniti QX60 and 2025-2026 QX80 vehicles with capless fuel fillers. If you confirm that a visible leak exists coming from the fuel filler tube lower seal when using a smoke machine and DTC P0456 is stored as Active, Past or Pending in the ECM, follow this procedure:

1. Remove the supplied funnel from the vehicle trunk.
2. Insert the funnel completely in the fuel filler tube and remove it completely five times.
3. Re-check the fuel filler tube lower seal with a smoke machine to see if a leak is present.
4. If the fuel filler lower seal continues to leak, replace the fuel filler tube.