Equus 3030 Innova Diagnostic Code Reader: * Works on all cars made in 1996 or later, light trucks, SUVs and minivans * Code reader is compatible with domestic and import cars * Links to all OBD2 protocols including CAN to decode engine light problems * Automatically updates data every 30 seconds when connected to the vehicle * Easy way to verify repair completion * Code reader features unique patented all-in-one screen display * LED display for quick emissions check * No batteries needed OBDII is still evolving , and new codes and definitions will be added as the system matures. Equus" database is constantly being updated to include more Manufacturer specific (P1) code definitions. Currently their database contains code definitions for the following Manufacturers: Acura, Honda, Alfa Romeo, Audi, Chrysler, Ford, Geo, GM, Honda, Hyundai, Infiniti, Isuzu, Jaguar, Kia, Land Rover, Lexus, Mazda, Mercedes, Mitsubishi, Nissan, Porsche, Saab, Saturn, Subaru, Suzuki, Toyota, Volkswagon, and Volvo. OBDII is on vehicles that were manufactured from 1996 and newer.