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What are the reasons for no sound when playing music after connecting the phone to the car via Bluetooth?

2 Answers

VanRosalie

08/29/25 3:24am

The reasons for no sound when playing music after connecting the phone to the car via Bluetooth include the phone's volume not being turned on, mismatched pairing codes, multimedia music not being enabled, signal interference, etc. The details are as follows: Phone's volume not turned on: The volume on the car navigation system or the phone is not turned on. Solution: Go to the phone settings, sound, find the media option, and turn up the media volume. The same applies to the car navigation system. Mismatched pairing codes: Some phones' music playback programming does not match the pairing codes of certain car models, so only phone calls can be made but music cannot be played. Solution: It is recommended to change the Bluetooth playback frequency band to enable normal use. Multimedia not enabled: The multimedia music function of the car Bluetooth is not enabled. Solution: Find the multimedia option on the screen, enter it, and select Bluetooth to play music. Signal interference: The media audio on the phone is not turned off, causing signal interference with the Bluetooth function. Solution: First, go to the phone's Bluetooth settings interface, where there are two options: phone audio and media audio. After connecting to the car Bluetooth, both options are turned on by default. You need to turn off the media audio and keep the phone audio to ensure that the three functions of Bluetooth calls, car music playback, and phone navigation announcements do not interfere with each other.

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Mabel

09/10/25 8:04am

Last time I encountered the issue of no sound when playing music via Bluetooth in the car, it turned out to be a phone setting problem. First, check if the phone's volume buttons are turned all the way down—sometimes the media volume is set too low independently. Then, go into the app permissions; for example, a music app might need Bluetooth access to produce sound, and if not authorized, the music will be silent. There's also the phone's Bluetooth mode issue—it might be set to phone mode instead of media mode, allowing calls but no music. Additionally, if the phone's operating system is outdated, Bluetooth connections might bug out; I once fixed this by updating my iOS version. My advice is to troubleshoot step by step: ensure the phone's Bluetooth is on and connected properly, close and reopen the app from the background, and finally test different music platforms to rule out app-specific issues. Music is crucial while driving—no sound affects both mood and safety, so fix it promptly to avoid frustration.

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