# USB Error Codes > **NOTE** > > This topic describes only module-specific error codes. For details about universal error codes, see [Universal Error Codes](errorcode-universal.md). ## 14400001 USB Device Connection Denied **Error Message** Permission denied. Need call requestRight to get permission. **Description** This error code is reported if a certain API of the USB module is called but the required permission is not granted. **Possible Causes** The permission to access the USB device is not granted. **Solution** Call **requestRight** to request for the permission to access the USB device. ## 14400002 HDC Disabled **Error Message** Permission denied.The HDC is disabled by the system. **Description** This error code is reported if HDC is disabled by the system. **Possible Causes** The USB debugging permission is not available. **Solution** Apply for the USB debugging permission.