Mazda MAZDA3 2019–2021 — technical service bulletin
Bulletin SA-072-22 · NHTSA communication 10226920 · issued Nov 3, 2022
Technical service bulletin
communication type
Visibility
component
2019–2021
model years
3
vehicle entries
Official summary
Customers may complain about the HVAC system is not blowing air and/or excessive noise from HVAC system.
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.