Find Dodge Internal Control Module Knock Sensor & Dodge Body Control Module Location. Order Dodge Body Control Module Replacement. Maintaining the Body Control Module (BCM) in your Dodge is crucial for optimal vehicle performance, as it regulates functions like interior lighting and power windows. To ensure longevity, keep the BCM free from moisture and electrical surges. Signs that may indicate the need for a replacement include erratic interior lights or unresponsive power features. When selecting a new BCM, opt for OEM-quality sensors that promise seamless integration and prolonged durability. Installation is typically plug-and-play, but always adhere to Dodge specifications to avoid electrical issues. By investing in high-grade sensors and adhering to maintenance guidelines, you can extend the lifespan of your Dodge's BCM, ensuring a smooth and responsive driving experience.