Datatek
Well-Known Member
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I can only speak for certain on the diesel, but as I said, immobilisation is automatic within the EDC when the ignition is turned off much as you state. It has nothing whatever at that stage to do with the BECM.I am sure there is more to passive immobilisation than what I am going to quote here but I believe the feature will automatically immobilise the vehicle when the ignition has been turned off even if the vehicle has not been locked with the key or remote handset. As I said sure there is more to it than that but I think thats the basic operation of passive immobilisation.............................happy to be corrected of course.
The BECM does not immobilise the engine, it remobilises it when the correct conditions are met.