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Mike V.
Mike V., Nissan Technician
Category: Nissan
Satisfied Customers: 24817
Experience:  Nissan factory trained and Certified Subaru Technician.
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It won't start my mechanic says is the security system, No

Customer Question

It won't start my mechanic says is the security system
JA: Have you checked the battery, particularly the terminal connections? Are they corroded?
Customer: No that's what I replaced then it won't start
JA: What is the model/year of your Nissan?
Customer: 2001 pathfinder
JA: Are you fixing your Pathfinder yourself? What have you tried so far?
Customer: Just changed the battery and the security light on the dashwon't go off
JA: Anything else you want the mechanic to know before I connect you?
Customer: It cranks just won't fire up
Submitted: 4 months ago.
Category: Nissan
Expert:  Mike V. replied 4 months ago.

Thank you for your question!
My name is ***** ***** give me a moment to review your question and respond with the assistance you need!

Expert:  Mike V. replied 4 months ago.

Since the light is on solid, it is the immobilizer keeping it from starting. Sadly the only way to get it to start is to have the keys reprogrammed, this can be done either by the dealer or a mobile locksmith in some cases.

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Thank you so much!