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November 16, 2022 Service bulletin

Some vehicles may experience the symptoms mentioned below, which can be fixed with the latest software...

Mazda technical service bulletin 16-006-22a for 2021 Mazda MAZDA3 and 2021 Mazda CX-30.

Bulletin number
16-006-22a
Component
Electrical system
Summary
Some vehicles may experience the symptoms mentioned below, which can be fixed with the latest software update (Version 7000C0A-NA04_12004 or later). Ver. 7000C0A-NA04_12004 and later fixes these software errors (bugs): Album artwork may not appear when playing music using an USB connected iPhone. When the gear position is shifted into P from R, the screen may not return to the previous condition before shifting into R position. The screen freezes and goes to a white screen, then the system reboots. The steering wheel switches and commander switches cannot control the audio system. DTC U3000:49 is stored which may be accompanied with following symptoms: - No sound emitting from the speakers. - Audio source selection is unavailable. The vehicle icon rotates when using the navigation with head-up mode. Beep sounds every after couple of minutes. Language setting may not be accepted correctly. The audio track may not pause when pressing the mute button. The system reboots. The screen may turn black when trying to play a video file in the USB connected device.

Owners of these vehicles have filed 21 complaints in the electrical category.

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