hello everyone, friends. My 2001 clio hb 1.4 16v vehicle has recently started to have a chronic immobilizer problem. When the ignition is turned on, the red light flashes fast and the vehicle does not start. I lock and unlock the doors or do the key ID and the vehicle starts. The other day, I had the vehicle connected to the diagnostic device and I saw that there was an immobilizer short circuit somewhere. I wanted to replace the decoder ring around the Contact and ordered it. What I want to ask you is, is it necessary to connect the vehicle to the device to replace this part? Can knowledgeable friends give an idea?