Why is no Bluetooth device detected on my JVC Kd_X340BTS?
- WWilliam HuffSep 23, 2025
If no Bluetooth device is detected by your JVC Receiver, try searching from the Bluetooth device again. If that doesn't work, reset the unit.

Why is no Bluetooth device detected on my JVC Kd_X340BTS?
If no Bluetooth device is detected by your JVC Receiver, try searching from the Bluetooth device again. If that doesn't work, reset the unit.
Why is phone sound quality poor on my JVC Receiver?
If the phone sound quality is poor when using your JVC Receiver, try reducing the distance between the unit and the Bluetooth device. You can also move the car to a location with better signal reception.
What to do if sound is interrupted during Bluetooth playback on JVC Receiver?
If the sound is being interrupted or skipped during playback of a Bluetooth audio player on your JVC Receiver, try the following: - Reduce the distance between the unit and the Bluetooth audio player. - Turn off, then turn on the unit and try to connect again. - Be aware that other Bluetooth devices might be trying to connect to the unit.
How to fix 'CANNOT PLAY' error on JVC Kd_X340BTS with Android?
If you see a “CANNOT PLAY” message on your JVC Receiver when using an Android device, ensure that the Android device contains playable audio files. If it does, try reconnecting the Android device or restarting it.
Why is my Bluetooth audio player not controlled by JVC Kd_X340BTS Receiver?
If the connected Bluetooth audio player cannot be controlled by your JVC Receiver, check whether the connected Bluetooth audio player supports Audio/Video Remote Control Profile (AVRCP). If it does, try disconnecting and reconnecting the Bluetooth player again.
What does “NO SIGNAL” mean on JVC Kd_X340BTS Receiver?
If “NO SIGNAL” appears on your JVC Receiver, make sure the antenna is mounted outside the vehicle.
How to fix pairing issues on JVC Receiver?
If pairing cannot be made on your JVC Receiver, ensure that you have entered the same PIN code on both the unit and the Bluetooth device. If the issue persists, delete the pairing information from both the unit and the Bluetooth device, then perform the pairing process again.
What does “CODE ERROR” mean on JVC Receiver?
If “CODE ERROR” appears on your JVC Receiver, make sure you have entered the correct pass code.
How to fix 'CANNOT PLAYBACK' at [AUTO MODE] on JVC Kd_X340BTS Receiver?
If you cannot playback at [AUTO MODE] on your JVC Receiver, make sure the JVC MUSIC PLAY APP is installed on the Android device. Also, reconnect the Android device and select the appropriate control mode. If the problem persists, the connected Android device may not support [AUTO MODE].
What does 'LOADING' mean on JVC Kd_X340BTS when searching?
If “LOADING” appears when you enter search mode on your JVC Receiver, the unit is still preparing the iPod/iPhone music list. It may take some time to load, so try again later.
Advises reading the manual thoroughly for proper use and future reference.
Alerts users to dangers of operating while distracted, ingesting batteries, and safe volume levels.
Connect tuner, activate subscription, listen, and store favorite channels.
Steps to pair a Bluetooth device and connect the microphone.
Automatic pairing activation and how the unit handles incoming calls and calls during conversation.
Ways to make calls via history, phonebook, dial, voice, and stored contacts.
Managing connected devices, selecting phone/audio, and editing PIN codes.
Selecting and configuring the app, and streaming iPhone/iPod audio via Bluetooth.
Selecting speaker sizes and adjusting crossover frequencies for tweeters, mid-range, and woofers.
Detailed settings for 3-way crossover on tweeters, mid-range, and woofers.
Adjusting speaker delay and gain for optimal sound staging.
Solutions for common sound, connection, and reception problems.
Solutions for app errors, playback issues, and connectivity problems.
Addressing SiriusXM service issues and Bluetooth connectivity problems.
Technical details for tuner, USB, Bluetooth, and audio output parameters.
Step-by-step guide for safely installing the unit into a vehicle.
Instructions for dashboard installation, including parts and unit removal.
Detailed diagram showing connections for power, speakers, and accessories.
Detailed diagram showing connections for power, speakers, and accessories.
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