FJDS only allowing 16 vin characters

Paul Diagnostician New York Posted   Latest   Edited  
Resolved
Programming
2008 Ford F-150 Flotillera 4.2L (2) 4-spd

Replaced PCM with a used junk yard PCM due to a cooked ignition coil driver. Both PCM's have the same part # and tear tag #. While attempting to trick FJDS to allow me to erase PCM and write a new VIN# by leaving key off and not letting FJDS communicate with PCM I would get a screen to enter the Vin# after entering the vin it would ask if correct as normal, after answering yes it would say working then a second screen would come up to enter Vin again. This time it would only allow 16 characters for the vin. Has anyone ever seen this before? I have attached pictures for reference.

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Chris Technical Support Specialist
New York
Chris Resolution
   

There is a known issue with ford software of scaling is set to other than 100% on your computer right click the desktop and open display settings make sure scaling is set to 100%, if not set it that way and reboot. diag​.​net/file/f1gycf0x9… ​

+6
Resolution Ð Awarded
Helpful
Resolution
Robert Mobile Technician
Delaware
Robert
 

Change your screen resolution and restart ids.

+2
Ð Awarded
Helpful
James Owner/Technician
Massachusetts
James
 

I have no answer for why you can’t type the 17 digit VIN but why are you trying to trick FJDS? FJDS allows you to replace PCMs with used. I have done a ton of them over the years.

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Manuel Diagnostician
New Jersey
Manuel
 

I don’t understand this either goven he says same part number tear tag

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Paul Diagnostician
New York
Paul Resolution
   

Screen res was the problem worked like a charm thanks for the help

+2
Resolution Ð Awarded
Michael Owner/Technician
Texas
Michael
 

Use the onscreen keyboard, not the keyboard if I remember correctly.

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Disagree
Philip Educator
California
Philip
 

Paul, I had that problem once too, and now I know the solution. Would you care to describe the sequence of key cycles you used to rewrite the VIN in the used PCM? I am fighting one right now that keeps giving me an error code 851082 and I've tried every sequence I can think of.

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Paul Diagnostician
New York
Paul
 

I followed Fordtechmakuloko instructions youtu​.​be/Hhk7Wg0i3KE

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