Mazda CX-30 2024–2025 — technical service bulletin
Bulletin SA-005-24a · NHTSA communication 11009643 · issued Oct 15, 2024
Technical service bulletin
communication type
Unknown OR Other
component
2024–2025
model years
4
vehicle entries
Official summary
Customers may report no audio when using the infotainment fader function fully adjusted to the rear. If the customer's vehicle is among the trim levels referrenced above it is equipped with a 6-speaker infotainment system and does not include rear door speakers even though there are speaker grills/covers in the rear door panels. MazdaUSA and published vehicle specifications provide the correct information indicating that these trims are equipped with a "6-speaker audio system".
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.