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Mike V.
Mike V., Hyundai Technician
Category: Hyundai
Satisfied Customers: 24819
Experience:  I have over 25 yrs. experience on all makes and models. Factory trained for Subaru and Nissan.
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The immobilizer indicator light come on when the engine is

Customer Question

the immobilizer indicator light come on when the engine is shut off. why?
Submitted: 1 year ago.
Category: Hyundai
Expert:  Mike V. replied 1 year ago.

Hi there,

Is it blinking on and off or on solid?

Customer: replied 1 year ago.
the light is on solid. if the car is started /stopped and move the gear shift back and forth after a few times the light goes off.
Customer: replied 1 year ago.
this does not happen every time the car is shut off
Expert:  Mike V. replied 1 year ago.

What yr and model is the car please

Customer: replied 1 year ago.
2011 Hyundai Sonata SE
Expert:  Mike V. replied 1 year ago.

Thank you.

Does your car have the remote start system installed on it?

Customer: replied 1 year ago.
no
Expert:  Mike V. replied 1 year ago.

Ok, sadly I don't think there is going to be a quick fix for you with this.

The issue I suspect is with the immobilizer control module, however I don't have any way to prove it without the scan tool that can read the live data. The system is pretty straight forward and honestly, you should not be able to even start the car when the light is solid. It should be immobilized at that point.

Shifting the car in and out of gear should not be a factor, not saying it isn't, just that it shouldn't be. So basically it's going to have to happen when a scan tool is on it to find the part that is causing the issue.

I know it's not a great answer, but since it's the electronics, there really isn't any other way to determine what is making the car think it's being stolen or should be immobilized.