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Jay, Nissan Technician
Category: Nissan
Satisfied Customers: 20104
Experience:  20+yrs experience with Nissan & Infiniti Trained & Certified.Currently still working for Dealer
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The vehicle immobilizer system is on and it wont let me turn

Customer Question

The vehicle immobilizer system is on and it wont let me turn the key
JA: Can you turn the steering wheel at all? And what about the key? Is it worn or damaged?
Customer: Steering wheel is lock but I have tried turning the wheel to unlock the ignition but its not working
JA: What is the model/year of your Nissan?
Customer: 2007 Sentra
JA: Are you fixing your Sentra yourself? What have you tried so far?
Customer: I have tried disconnecting the battery to try to reset the computer but still no luck
JA: Anything else you want the mechanic to know before I connect you?
Customer: Well I had a bad battery and while changing it I think there was an electrical short but the fuses seem good
Submitted: 8 months ago.
Category: Nissan
Expert:  eric replied 8 months ago.


The immobilizer will not prevent the key from turning. It only cuts the signal to the fuel injectors and coils to prevent it from starting

It may be a simple as the ignition cylinder tumblers sticking. With the key in the ignition, GENTLY tap around the key cylinder with a hammer as you try to turn the key. For sticking tumblers this works like a charm.

If it doesnt work let me know

Customer: replied 8 months ago.
Didn't work it still wont let me turn the key
Expert:  eric replied 8 months ago.


Ok, is the vehicle on an incline or have the wheels turned to either side?

Customer: replied 8 months ago.
No its not and the steering wheel is locked but I was trying to turn it to try and unlock the switch but no luck
Expert:  eric replied 8 months ago.


I will need to opt out and see if another expert can help. I cannot open my software to pull up the diagrams for the steering lock solenoid and key interlock system.

Expert:  Jay replied 8 months ago.

Hello my name is ***** ***** thank you for your question

Did you try to jump start the car to see if that would allow the ignition to turn?