Did your check engine light just turn on? Find out what's wrong easily with the Certa Universal OBDII OBD2 Scanner Car Engine Fault Code Reader Diagnostic Tool. This device is super easy to use—just plug and play to get live engine data including speed, RPM, and coolant temperature. You also get to check your battery voltage, I/M readiness, and more! Compatible with most cars made after 1995 and all cars made after 2005, this tool is an essential to any car owner and might even save you from an expensive trip to the mechanic!

Note: This car code reader is incompatible with new energy vehicles and hybrid vehicles.