... DIY. With a U380, you may quickly find out trouble causes (troubleshooter) of electronically controlled systems on your car, ... simply connecting U380 with the diagnostic socket, via reading the trouble code (DTC) shown on U380, identifying, locating and ... KWP2000 protocols2. Reads and clears generic and manufacturer specific Diagnostic Trouble Codes (DTCs) and turns off check engine light3. Supports ...