To use SonarQube to check Magento 2 modules, you first need to set up SonarQube on your system and connect it to your Magento project. Once SonarQube is set up, you can run a scan on your Magento 2 modules to check for code quality issues, bugs, vulnerabilities, and other potential problems.SonarQube will analyze your Magento 2 modules and provide you with a detailed report on any issues found.