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I read into this anti-theft system problem as my vehicle is…

Customer Question
Hi, I read into...

Hi, I read into this anti-theft system problem as my vehicle is constantly flashing the red anti theft symbol. I was wondering if there is any way deactivate this because my car won't start despite having used the original and 2 spare keys.

Mechanic's Assistant: Have you checked the battery, particularly the terminal connections? Are they corroded?

I don't believe so Originally I thought it was a dead battery but the battery seemed fine I tried jump starting the car multiple times and it is possible that that overrides the anti theft symbol which remained on despite allowing the car to turn on Is there a way to know if this is a battery or a anti theft system problem

Mechanic's Assistant: What is the make/model/year of your car?

2005 Ford Mustang

Mechanic's Assistant: Are you fixing your Mustang yourself? What have you tried so far?

I personally don't know too much about cars so I looked up a few options online Most said it could be a bad key so I tried the original and spares That didn't work so I tried 1 method that said to twist the key 8 times between ON and ACC so I tried that but no solution The light remains on

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

Nope that'll be all

Submitted: 11 months ago.Category: Ford
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Answered in 21 minutes by:
9/19/2017
Ford Mechanic: Chris (aka- Moose), Technician replied 11 months ago
Chris (aka- Moose)
Chris (aka- Moose), Technician
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Is the theft light flashing rapidly with the key in the run position?

Is the battery voltage 12.6 volts?

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Customer reply replied 11 months ago
It is blinking every 2 seconds
Ford Mechanic: Chris (aka- Moose), Technician replied 11 months ago

Was that with the key removed or key in place and in the run position?

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Customer reply replied 11 months ago
At all times
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