immobilizer

Hi, I have been having some very serious and confusing problems causing my 2005 Mazda 3s sedan (automatic) to not be able to start the engine. What happened was that a couple months ago, on a hot day, I had been driving for a few hours (I work as a delivery driver) and when I had changed...

Does anyone know of any way to reset the "immobilizer" system on a 2000 MPV. Or do you know where the BCM is hidden? The van cut off and now when I try to start it the factory alarm starts going off and the cylinders are not firing - engine turns over easily.