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Anti-theft system is preventing me from starting vehicle.

Customer Question
Anti-theft system is preventing...

Anti-theft system is preventing me from starting vehicle.

Mechanic's Assistant: Will the headlights turn on? Is the battery fully charged?

Yes

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

97 explorer sport

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

Just bought it drove it to the gas station to get gas and it won't start back up for me. I really haven't tried anything other than looking for the anti theft module

Submitted: 11 months ago.Category: Ford
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Answered in 9 minutes by:
9/20/2017
Ford Mechanic: Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems replied 11 months ago
Chad Farhat
Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems
Category: Ford
Satisfied Customers: 5,803
Experience: Owner at Carolina Auto Service & Sales , 20 years experience in Foreign & Domestic Vehicles
Verified

Hi, I'm Chad. Welcome to JustAnswer. I'm reviewing your question and I will be posting your reply ASAP.

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Ford Mechanic: Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems replied 11 months ago

hey how are you

Since you stuc in gas station ,lets try a master reset first and we go from there

because if that doesn not work we need factory or capable scaner to retrieve fault codes from anti thetf module and pull up poin point triubleshoot ,so many differnet issue it could be ,from key , to key transmitter, secutiy module, door switches etcc, with out that we will be guessing and you end up throwing parts at it

you can always scan it and post fault codes back to me

but for now make sure you have a good 12 volt battery and do below reset

Master reset Procedure

1- Disconnect Battery Cables ( Negative & Positive Cables )you can use any electrical wire as an extension if battery cables don't reach .

2- Hold cables Together for 60 secs ,then let go

3- Wait 30 minutes

4- Make sure all doors are closed

5- Reconnect battery Cables

6- Lock & unlock the vehicles using the key from driver door side (if you have a key fob with no blade key, just lock & unlock using the key fob buttons)

7- Enter the vehicle and attempt to start

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Chad Farhat
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Customer reply replied 11 months ago
That did not work? What do I do?
Ford Mechanic: Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems replied 11 months ago
Unfortunately without a capable scaner to read it and get the fault codes and post these fault codes back to me and I can help you further
There is no fuse or relay to pull out to disable it, it runs thru car computer ,with these fault codes we will be guessing
Now the the antitheft module is common issue on them and if it does need replacing will require programing ,I m not next to it and no codes to go by ,I m sorry
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Customer reply replied 11 months ago
There is no way we can just disconnect it?
Ford Mechanic: Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems replied 11 months ago

The key has to send a signal to the anti theft module then that module send a signal to car computer to authorize start up ,now if you pay the $100 scan fee using capable scanner and get the fault code we can fix , it could be a antenna or receiver issue around $200 fix ,now if the module needs replacing around $500 with programing , keys need programmed $100 ,

so it depends but trust me there is no way to by pass it if there was I would tell you

Let me know if you need anything else on it , just reply back here & we can continue.

if you are good , Please Kindly rate me.

Hope I was helpful to you

A 5 Star Positive Rating is Much Apreciated

This Post Will Stay Open for You To Come back and Ask me Any Follow Up Question You May have on this issue , even after you rate me

Thank You

Chad Farhat
ASE Certified Tedchnician

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Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems
Category: Ford
Satisfied Customers: 5,803
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