What are the reasons for no sound when playing music via Bluetooth connection in the car?

1 Answers
LukeLynn
07/29/25 10:48pm
The phone is connected to the car's Bluetooth but there's no sound during playback. The following are possible reasons for this situation: 1. Volume not turned on: The volume on the car navigation system or phone is not activated. 2. Codec mismatch: The music playback programming of certain phones (such as iPhone) is incompatible with the pairing codes of some car models. 3. Multimedia not enabled: The multimedia music function of the car's Bluetooth is not activated. 4. Video not closed: The original media video on the phone was not turned off. Additional information: The Bluetooth technology in car Bluetooth systems is derived from mobile phone Bluetooth technology, with both sharing the same transmission system. Bluetooth hands-free is an in-vehicle wireless hands-free system designed based on wireless Bluetooth technology, with its main function being to connect with phones via Bluetooth technology for hands-free calls during normal driving.
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