Diageng DE508 OBD2 scanner tool is a handheld device to diagnositc your vehicle. It supports all OBD2 protocol on all OBD2 compliant vehicles since 1996 to enable the user to accurately diagnose engine problems . DE500 scan tools offer some basic functionality, which includes the ability to read and clear codes. These scanners can also offer the ability to check pending, or soft, codes that haven’t activated the check engine light yet, and provide access to a wealth of information. Data from virtually every sensor that provides an input to the onboard computer can be viewed via an OBD-II scanner. Some scanners also provide access to readiness monitors and other information. DE508 Can read diagnostic trouble code(DTC)and other relevant data, and can clear DTC in engine system ECU.