For Toyota vehicles, this dummy OBD port enhances key security by simulating a functional OBD interface. When connected, it appears active to external diagnostic tools but does not transmit data, preventing unauthorized vehicle access via the OBD port. It features plug-and-play installation and can be fitted in minutes. Designed specifically for Toyota OBD ports, it replicates factory specifications—including canvas-wrapped wiring and bi-colored conductors—to ensure seamless visual integration with the vehicle’s original wiring loom. Installation involves removing the lower dashboard panel (secured with clips), disconnecting the original OBD port, and replacing it with the dummy unit. The dummy’s black male connector plugs directly into the vehicle’s OBD socket. Once installed, the dummy port can be repositioned out of plain sight and secured to the vehicle’s wiring loom using the included cable ties. Unlike malicious devices that disable alarms or emulate keys, this solution provides passive protection without interfering with vehicle systems. It has undergone independent testing to confirm compatibility and ensure no adverse effects on vehicle operation. Total installation time is approximately 15 minutes for users familiar with basic interior trim removal.