Abstract
An OBD-II plug-in device unifies active impressed-current corrosion protection, GPS-based tracking and geofencing, anti-theft immobilization, environmental sensing, and cellular/Wi-Fi connectivity for telematics and over-the-air firmware updates. The integrated system draws power and data from the vehicle’s OBD-II port and employs a galvanically isolated current regulation circuit to deliver adaptive cathodic protection to the chassis. A central microcontroller coordinates location monitoring, starter-relay control, tamper detection, and cloud communication while enabling secure firmware upgrades. Environmental sensors log temperature, humidity, and impact events to refine corrosion control and trigger security responses. This multi-function design simplifies installation, eliminates redundant hardware, and ensures comprehensive vehicle protection and monitoring.
Creative Commons License
This work is licensed under a Creative Commons Attribution 4.0 License.
Recommended Citation
Gallo, Vincent, "Multi-Function OBD-II Device with Corrosion Protection, GPS Tracking & Anti-Theft Features", Technical Disclosure Commons, (July 25, 2025)
https://www.tdcommons.org/dpubs_series/8391