@Michel71 I found something interesting while looking through VIDA regarding your problem. The key gets stuck in the SCU (ignition switch)/can't be switched to 0, when something is wrong with the immobilizer.
This can be the result of low battery voltage which leeds to the ECM, CEM, SCU losing the IMMO data or atleast the sync of this data between those ECUs; loose pins or corrosion in the connectors of the CEM, ECM, SCU; a dying CEM or ECM; water ingress in the CEM; corroded or missing ground connection at the CEM or ECM.
Just for excample, corrupted/lost IMMO data as a result of low voltage is a really common problem for P1 cars. There would be DTCs about that in the car, if that's the case, but Vdash might not be able to help you with this.
