Mazda CX-30 2020–2021 — technical service bulletin
Bulletin SSPC4 · NHTSA communication 10188094 · issued Feb 23, 2021
Technical service bulletin
communication type
Electrical System
component
2020–2021
model years
2
vehicle entries
Official summary
On certain CX-30 vehicles equipped with the Bose audio option, a loud static noise may be exhibited from some or all of the speakers due to inappropriate control program of the audio amplifier. The noise can occur regardless of the driving status of the vehicle and the engine on/off.
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.