Professional OBD2 Car Code Reader Automatic Diagnostic Tool What is the Automatic Diagnostic Tool of the OBD2 Auto Code Reader? A fast, accurate, and cost-effective scan tool for automotive engine systems. It helps read and clear error codes, monitor the engine system, and understand the exact meaning of error codes, allowing users to identify engine issues and perform repairs. This device can also be used to test a vehicle before emissions inspection to save time and money. EASY TO USE - Most Effective OBD2 Scanner Simply plug and play, no batteries required. The intuitive menu is designed for ease of use, enabling beginner DIY users to perform checks and repairs. Features: - Read and clear codes - Live data streaming - EVAP system test - I/M readiness check - Freeze frame data - O2 sensor test - On-board monitor test - Vehicle information retrieval - DTC search for definition lookup - Check engine light reset The OBD2 Car Code Reader quickly and accurately identifies why the check engine light is on, helping DIYers or mechanics locate and potentially fix the issue. Clear codes after repairs to automatically turn off the warning light. I/M Readiness Checks emission system readiness status and driving cycle status. Retrieves detailed vehicle information for recording, tracking, and selecting correct replacement parts. Live Data Streaming Provides real-time data for in-depth analysis of error code causes. More detailed data allows better understanding of the source of the problem. Freeze Frame Data Displays comprehensive engine parameters such as calculated load value, engine coolant temperature, intake manifold absolute pressure, engine RPM, intake air temperature, mass air flow sensor, and more. Extensive Vehicle Coverage Compatible with most OBD2 and EOBD-compliant vehicles, including 1996 and newer US models, 2000 and newer European models, and 2008 and newer Asian models. Not compatible with JOBD-compliant vehicles.