What Causes No Sound When Playing Music via Bluetooth in Car Navigation?

1 Answers
DelRiver
07/29/25 7:52pm
Car multimedia system volume or phone volume not turned on, programming and pairing codes mismatch, and not selecting Bluetooth audio source can all lead to no sound when playing music via Bluetooth. Multimedia system volume or phone volume not turned on: When the car multimedia system volume or phone volume is not turned on, connecting to Bluetooth for music playback may result in no sound. While playing music, press the phone's volume button to adjust the volume. Set the media volume to maximum, then adjust the car's volume. Programming and pairing codes mismatch: Some phones' music playback programming does not match the car model's pairing codes, allowing only phone calls but not music playback. The Bluetooth playback frequency band needs to be changed. In the phone's Bluetooth settings, check the option [Use Bluetooth for multimedia music playback] to successfully establish a match. Not selecting Bluetooth audio source: When using Bluetooth to play music, the audio source must be set to Bluetooth to play Bluetooth music. You can swipe on the central control display to switch to the Bluetooth music playback interface. If playback still fails after switching, try switching to FM and listen carefully to see if there is sound from the speakers to rule out audio system faults.
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