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Hi Im David, when you start the car, what does the security light do?
The only thing you can do is have it towed to the ford dealership and have the PATS system reset. unfortunately there is no bypassing it or other way to deactivate it. thats what ford intended when they designed the stystem when a strange or different key is used.
do you have a key fob with both keys?
ok. you can try to reprogram the keyfobs
ill send you instruction in a few minutes
light still blinks?
are you there?
ok, well please let me know what it tells you..
the pcm is faulting as being internally damaged.
P0605 FORD - Internal Control Module Read Only Memory Error Possible causes An attempt was made to change the calibration Module programming error Aftermarket performance products Faulty Powertrain Control Module (PCM) PCM harness power supply circuit is open or shorted PCM harness ground circuit is open or shortedP0602 FORD - Powertrain Control Module Programming Error Possible causes Powertrain Control Module (PCM) not programed PCM program Faulty PCM Wrong PCM Possible symptoms Engine Light ON (or Service Engine Soon Warning Light) P0602 Ford Description This diagnostic trouble code (DTC) indicates a programming error within the Powertrain Control Module (PCM).
can i be of further assistance.
excellent news. im glad its fixed. please accept the answer and leave a 5 star rating for me if you were satisfied with my assistance. thank you. have a great weekend. good job.