Clio Sport 172
I've got this box fitted on my 172 I've had issues with my immobiliser the past week or du and it not starting. Got recovered last night as it wouldn't go and I've been told this box is the culprit it's been put in to bypass the immobiliser and now it doesn't work can I just easily get this replaced or is there a way of finding out if the box has totally broke or can be fixed with a code? Just need general advice on this as I've not got a clue where to start