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That is scary. That seems like a mistake I could very easily make.  Any one of us who chooses to do this work can make a similar mistake (or even more costly) at any time  Hopefully we all have our price structures set at a level that we can absorb a setback such as this 

Why would anyone put that much money into an old truck not worth 5 Grand? Were you able to salvage it? Stuart

Oh, brother as we error we learn but it still hurts.  J

Had a new transmission programming job go south on me. I did almost everything right.  After it happened it took me hours to figure out what actually went wrong so in hopes of saving one of yall 5 grand here we go. This isnt my first nissan transmission programming job, maybe 3rd. So i know the basics. I've done plenty of Ford and GM.  Nissan programmimg is different. You essentially buy a programming file or update file. Comes with multiple files you have to put in specific programming folders.  I did that. Had 13.5v thought I did everything right before I clicked go.  The problem i figured out was that I used Nissans ECU part number lookup by vin and bought the files for the original part number. NOT the new part number that was on the box that the transmission came in.  Clicked go. Got a failure. Tried many times and then had no comms with transmission anymore.  5 grand. Poof. Gone.  The bottom number on the cell phone picture is what i should have used

I’ve now got plenty of j2534 devices. I can pick what color box I like.  It’s insane and probably going to get worse as we go on.