Why can you not use the cable with pin 1/9 short circuited? What is the impact? DO NOT USE MODIFIED INTERFACES WITH SHORT CIRCUIT BETWEEN PINS 1 AND 9 ON GRANDE PUNTO, PUNTO EVO, PUNTO 2012, 500, 500L, 500X, DOBLO(152), DOBLO(263), QUBO, DUCATO 250, PANDA 2012, UNO 2010, BRAVO 2014, DELTA 2014, FREE...