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post #1 of 3 (permalink) Old 02-20-2019, 02:43 PM Thread Starter
Join Date: Aug 2016
Posts: 12
Stored VIN number

Hi everyone, I have a 97 Cougar 4.6L.

I bought a JET 15003 programmer used off ebay which their website says will work on a 1997 Cougar and it keeps having a seed/key error trying to program. My original computer went bad many years ago, I replaced it with a refurbished unit and didn't keep the original. I thought the replacement didn't have a VIN programmed so I bought another computer off ebay for a buck lol, getting the same seed/key error with that one too. Aren't the 96 and newer engine computers suppose to store the VIN number? The Jet 15003 is not bound to any other vehicle.

Thanks for any info or help!
chopper3200 is offline  
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post #2 of 3 (permalink) Old 02-28-2019, 09:24 PM
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Join Date: May 2007
Location: New Orleans, LA
Posts: 1,472
yes the eec-v computers can save the vin number but not all of them have the vin number in them some are blank as-is the case with most refurbs. If you want you can add the vin number to it no problem.

A bas seed/key means that programmer cannot program a 2 bank ecu as-is common since most eec-v programmers are defaulted to 4 bank ecus (1998+)

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post #3 of 3 (permalink) Old 04-02-2019, 09:24 PM
Join Date: Jul 2016
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Kinda late response to this thread. But I have a 97 Thunderbird. I did a PI swap, i.e. pi heads and cams from an 04 crown Vic and pi intake from a 2003 crown vic, so I decided to buy an act x4 programmer so I could get a tune from lasota racing. I highly recommend them if you want a tune. Super nice people. Anyways, when I tried to flash a preloaded tune, it kept saying the device wasn't married and to return to stock. But I was already "stock" as far as a tune was concerned. But long story short, I had to have an sct tech operator pull my stock tune from the programmer and marry my Vin to it and flash it to make it marry the programmer. Not sure if this is the same problem you're having. But I hope it helps you out
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