Equus 3110 Innova Diagnostic Code Scanner with Freeze Frame Data for OBDII Vehicles Retrieves diagnostic trouble codes and definitions (in English, Spanish, or French) from your vehicle's computer to help diagnose problems Reads check engine light warnings on 1996 and newer vehicles through any OBDII protocol, including CAN (Controller Area Network) Displays freeze frame data Automatic refresh updates data every 30 seconds when connected to the vehicle Unique patented all-in-one screen display and LED display