Some customers may experience rear subwoofer audio sound pauses intermittently at high volume levels
Mazda technical service bulletin 09-040-25 for 2019-2023 Mazda MAZDA3.
- Bulletin number
- 09-040-25
- Component
- Electrical system
- Summary
- Some customers may experience rear subwoofer audio sound pauses intermittently at high volume levels. When the volume level is lowered, the subwoofer audio sound resumes. The actual volume level may vary depending on the audio source. If the audio source consists of many low frequency (40 - 70 Hz) sounds, the concern may occur at volume level 35 or higher. This concern may be caused by improper audio amplifier control software. To eliminate this concern, the control software has been modified.
Owners of these vehicles have filed 29 complaints in the electrical category.
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