Performance Tool W2977 CAN OBD II Scanner Tool for Check Engine Light & Diagnostics, Direct Scan and Read Out Works with MOST 1996 and later include American, European and Asian cars Supports all OBD2 protocols including the newer (CAN) Controller Area Network Reads your (DTC) Diagnostic Trouble Codes for identification Turns off check engine light (MIL) Erases (DTC) trouble codes and resets the OBD2 system Will not work with: 2007 Chevy Silverado