CAN Bus is more and more applied on modern automotive electrical control systems as a basic standard for electrical control technique. It has been introduced to Peugeot/Citroen models since 2005, however, because the communication structure of CAN Bus adopted on Peugeot/Citroen is different from standard CAN Bus, which has made X-431 to be unable to diagnosis Peugeot/Citroen with CAN Bus all along. Today, this problem has been solved cleverly via the PEUGEOT/CITROEN-16 Converter Connector which is developed by LAUNCH. Now, you can just use CAN Bus II connector plus PEUGEOT/CITROEN-16 Converter Connector to test Peugeot/Citroen models with CAN Bus normally.