The Performax® Automotive Tool lineup offers a wide selection of tools for your auto needs including diagnostic, lubrication, interior/exterior, electrical, and hand tools. They are great for the average home project and the everyday professional. The Performax® Can OBDII Diagnostic Scan Tool is compatible with most models of cars with OBD2 controllers installed to read and identify the Diagnostic Trouble Codes. This tool can also be used to turn off your check engine light and erase trouble codes. Included is a user manual which includes the most current trouble codes for ease of use.