Hello to all in the workshop I have a 2013 citroen c1, it's a 998 50kw petrol engine type 1kr with semi-automatic gearbox I replaced the clutch a few weeks ago today the customer calls me saying that after having taken a 'avvalamento the car went into neutral and couldn't shift gears when I went to get it back the car was working properly arrived at the workshop I use the diagnosis and it gives me as error p0900 Clutch actuator circuit/open has this ever happened to you?