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Car will not start

Tiny
BECCA74
  • MEMBER
  • 2011 FORD MUSTANG
  • V6
  • 2WD
  • AUTOMATIC
  • 81,000 MILES
When you turn key on my car it will not start. It is not the battery Ford did a eec test said pats immobilizer error. No communication with modules on the high speed network needs additional diagnosis. I can start it by using the instructions on how to start your car when the anti theft device will not let it start. Sometimes I have to do the process several times but it always starts after a couple of times. Ford place said it could be $100.00 or a couple of thousand to fix the problem that they would just get rid of it. It is a great little car have had no trouble until now. I bought it from a one owner at the Honda dealership one and half years ago. Any suggestions?

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Wednesday, August 16th, 2017 AT 1:02 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,651 POSTS
Hello,

I would start by checking the fuses because if you have a power feed to one of the computers it will throw that code.

Here is a guide a diagrams to show you where the fuses are (below):

https://www.2carpros.com/articles/how-to-check-a-car-fuse

I know its basic but we need to start somewhere.

Please let us know what happens so it will help others.

Cheers, Ken
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Thursday, August 17th, 2017 AT 2:30 PM

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