Autocom cdp pro newest version is 2013 release 1. Customers can do Autocom 2013.3 activation by delphi keygen 2013.3. But some customers feedback that when install Autocom 2013.3, Autocom led light not on. Below OBD2Tuning sharing Solution of Autocom cdp pro Autocom 2013.3 LED light not on error.