Now Shipping! This is a real-time scanning and logging system for the user that wants to do scanning / monitoring, data logging, and malfunction trouble code reading and clearing (including freeze-frame data). Several operation and informational tests are also included such as Fuel Pump Relay Test, Horn/Buzzer test, a function to set the ECM location (Port, Stbd, etc), and more. There are some scrteenshots below, and an installation and help guide HERE. The 555scan kit includes: A 10-foot USB Cable to connect the 4-pin ECM Diagnostic port with your laptop or PC A USB Stick with the 555scan software (Contact us if you require a CD instead) This system has been tested with part numbers:ECM555 0202ECM555 0204ECM555 0401ECM555 0402ECM555 0403ECM555 0501ECM555 0701ECM555 0702ECM555 0704ECM555 0707ECM555 0708ECM555 0718