Porsche cable our product communicates with your car just like the factory tool does, and can access all of the systems in the car. Obd2 was created for emissions related problems and only covers a limited subset of your car's engine. Work on following cars 1.1990-1992 porsche 944s2. 2.1992-1995 porsche 968. 3.1990-1994 porsche 911 (964). 4.1994-1998 porsche 911 (993). 5.1996-1998 porsche 911 turbo (993). 6.1998-2004 porsche 911 carrera (996). 7.1998-2004 porsche 911 carrera 4 (996). 8.2000-2005 porsche 911 turbo (996). 9.2000-2005 porsche 911 gt2, gt3 (996). 10.2005-2007 porsche 911 (997). 11.1997-2004 porsche boxster (986). 12.2000-2004 porsche boxster s (986). 13.2005-2007 porsche boxster (987). 14.2003-2006 porsche cayenne (955). 15.2005-2007 porsche cayman (987). It works on following systems 1.dme. 2.airbag . 3.abs . 4.tiptronic . 5.alarm . 6.seat memory. 7.heating & a/c. Functions 1.reset service reminders. 2.reads diagnostic trouble codes. 3.displays actual values. 4.shows ecu information. 5.clears diagnostic trouble codes. 6.turns off check engine light. 7.turns off airbag light.