Mazda CX-30 2020–2021 — technical service bulletin
Bulletin 09-013-21-3806 · NHTSA communication 10194652 · issued May 10, 2021
Technical service bulletin
communication type
Electrical System
component
2020–2021
model years
2
vehicle entries
Official summary
Be advised that TSB 09-013/21 is no longer valid and has been superseded to "(SSPC4 - 2020-2021 CX-30 - LOUD STATIC NOISE FROM SPEAKERS (WITH BOSE AUDIO))."
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.