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Kevin, Auto Mechanic
Category: Mazda
Satisfied Customers: 1971
Experience:  Diagnostic technician
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We programmed a new key fab and the immobilizer system

Customer Question

We programmed a new key fab and the immobilizer system kicked in and we can't start the car
JA: Have you checked the battery, particularly the terminal connections? Are they corroded?
Customer: Yes we even disconnected it for a few minutes hoping that would work
JA: What is the model/year of your Mazda?
Customer: 2010 Speed 3
JA: Are you fixing your vehicle yourself? What have you tried so far?
Customer: That's all we tried. I reprogrammed the fab myself
JA: Anything else you want the mechanic to know before I connect you?
Customer: no
Submitted: 9 months ago.
Category: Mazda
Expert:  Kevin replied 9 months ago.

Hi I'm Kevin is whole key new ? How have you programmed key ?

Customer: replied 9 months ago.
It was just a new fab. The key still worked.
Expert:  Kevin replied 9 months ago.

Ok and you swapped chip from old fob ?

Customer: replied 9 months ago.
Expert:  Kevin replied 9 months ago.

And just to clarify you have only programmed the fob to do central locking correct ?

Customer: replied 9 months ago.
Expert:  Kevin replied 9 months ago.

Ok in this case if you have stepped chip then it must have been damaged in process of swapping over