Order Mazda Body Control Module Replacement & Mazda Body Control Module Location. Shop Mazda Internal Control Module Knock Sensor. Maintaining the Body Control Sensors in your Mazda is crucial for optimal vehicle performance, ensuring systems like lighting, power windows, and security operate seamlessly. Regularly clean connectors to prevent corrosion and check for wiring integrity to avoid malfunctions. Signs that indicate replacement may be necessary include erratic behavior of interior functions or warning lights on the dashboard. When selecting a new sensor, opt for OEM-quality parts for guaranteed compatibility and longevity, and consider features like enhanced sensitivity for improved responsiveness. Proper installation is key, so follow the manufacturer's guidelines to ensure the sensor functions correctly, safeguarding the intricate network of your Mazda's electronic systems and maintaining your driving experience.