SingPad U380 OBDII Check Engine Auto Scanner Trouble Code Reader Scan Tool for OBDII Vehicles (U380) This unit actually works with 1996 - 2003 cars and trucks only. It does not work with CAN protocol which is used by most 2004 and newer cars Reads and clears generic and manufacturer specific Diagnostic Trouble Codes (DTC) and turns off check engine light Supports multiple trouble code requests: generic codes, pending codes and manufacturer's specific codes Easy to use with one plug-in, Stand-alone unit with no need for an additional laptop computer to operate, Small in size and conveniently fits in your palm Stand-alone unit with no need for an additional laptop computer to operate