The only OBD I and II Code Reader in the Market! Reads and Erases Codes on all 1996 and newer domestic and import vehicles. Reads & Erases Codes on 1984 and newer GM vehicles. Reads & Erases Codes on 1984 and newer Ford vehicles. Reads & Erases Codes on 1989 and newer Chrysler vehicles. Resets check engine light. Reads C.A.N. I/M monitors test (state OBD test). MIL Status Data save. Internet upgradeable.