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Bamaman39, Ford Technician
Category: Ford
Satisfied Customers: 2288
Experience:  10 years ford experience, Ford Senior Master Diesel And Gasoline Tech
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2008 Ford F350: anti-theft..disarm..crank..alarm

Customer Question

I have a 2008 Ford F350 with anti-theft. I need to know how to disarm it once it is activated. The ingition works, however the engine will not crank and the alarm activation light remains on.
Submitted: 7 years ago.
Category: Ford
Expert:  Bamaman39 replied 7 years ago.

Thank you for using just answer.


You cannot disarm the anti-theft system.


What happened?

Have you tried anything?

Do you have a spare key?

Customer: replied 7 years ago.
I have tried using the remote to unlock and relock. I have tried both keys in the ignition neither work. I have set off the panic button and turned it off, still nothing. No idea what happened however. I do have a remote start on the truck as well.
Expert:  Bamaman39 replied 7 years ago.

There might be a communcation problem with the remote start with the computer or the


transcevier went bad on the key cylinder.I want you to remove both batteries for 15 mins


to reset system.This might clear up the error.

Bamaman39 and 4 other Ford Specialists are ready to help you
Customer: replied 7 years ago.
I am leaving to go to church I will try this after lunch. Thanks
Expert:  Bamaman39 replied 7 years ago.
Let me know and we can go from there
Customer: replied 7 years ago.
This didn't work, batteries been out for hours, still nothing.
Expert:  Bamaman39 replied 7 years ago.

Is the anti theft light still flashing fast?


Did you try both keys?

Customer: replied 7 years ago.
Tried both keys and yes light is still on.
Expert:  Bamaman39 replied 7 years ago.
Ok this part really sucks because you are going to have to take it to the ford dealership for instrument cluster and key reprogramming.Some how the key cylinder lost communcation with the keys.I was hoping the battery disconnect would work.Again i am sorry but this is the next step in fixing truck