Bosche KTS 520 is simple adaptation to laptop or PC through USB or serial standard interface.KTS 520 could read code, clear code for all type of Proscheļ¼ also could test, program & guard against theft according to its data flow. KTS 520 could lead to malfunction self-inspect and full car circuit diagram for the car which was made after 2005 KTS 520 Description: Bosch KTS 520 PIWIS is the latest inspect equipment of Prosche Company. It could read code, clear code for all type of Prosche. It also could test, program & guard against theft according to its data flow. It could lead to malfunction self-inspect and full car circuit diagram for the car which was made after 2005. It also has the function of measuring leads for multimeter.