Fix macOS "Bluetooth Module Not Found"

Bluetooth icon shows a zig-zag line or says "Bluetooth: Not Available"?

Recommended Troubleshooting Tool

Before proceeding with manual fixes, we recommend using OnyX. The preferred tool for deep system maintenance and resetting the macOS Bluetooth stack.

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The Symptom

You can't turn Bluetooth on, and the settings panel shows a generic error or a blank list of devices.

The Fix

1. Force Restart the Bluetooth Daemon

Open Terminal and run:

sudo pkill bluetoothd

The system will automatically relaunch the process.

1. Remove the Bluetooth Plist

sudo rm /Library/Preferences/com.apple.Bluetooth.plist

Restart your Mac immediately after running this.

1. Reset the Bluetooth Module (Older macOS)

Shift + Option + Click the Bluetooth icon in the menu bar > Debug > Reset the Bluetooth module. (In newer macOS, use the Terminal command in step 1).

Fix 3: The Connection Stability Fix

When interference or cache bloat causes the Bluetooth hardware to crash.

Bluetooth hardware often hangs when it tries to connect to too many "ghost" devices from your iCloud history.

Recommended Tool: CleanMyMac X

- Maintenance Module: Running "Repair Disk Permissions" often fixes the permission errors that prevent the Bluetooth plist from being updated correctly.

- Uninstaller: Remove old third-party Bluetooth managers or audio drivers that may be conflicting with the native macOS stack.

[Link: Fix Bluetooth Connectivity with CleanMyMac X]