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Old 03-07-2019, 08:15 PM
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Hey guys, I'm looking into info on if a GM tech 2 will switch a 98 vin into a 99 pcm swapped fbody. I want to know if I can just swap the vin without updating the pcm since i already have an hptuners tune in it.
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Old 03-07-2019, 09:36 PM
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Short answer, No
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Old 03-07-2019, 10:22 PM
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don't know about hp tuners but with efilive I can put what ever vin I want into pcm os does not matter I have my 98 vin into my 0411 swapped ecm
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Old 03-07-2019, 10:26 PM
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Originally Posted by GMTECH4
don't know about hp tuners but with efilive I can put what ever vin I want into pcm os does not matter I have my 98 vin into my 0411 swapped ecm
Unfortunately HP Tuners chose to screw customers by using the vin as part of how it licenses a file.
EFI Live does not and never has done this.
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Old 03-08-2019, 08:39 AM
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Originally Posted by newlsguy
Hey guys, I'm looking into info on if a GM tech 2 will switch a 98 vin into a 99 pcm swapped fbody. I want to know if I can just swap the vin without updating the pcm since i already have an hptuners tune in it.

We can change the VIN without changing anything in the tune. It would require you to re-license the tune though.
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Old 03-09-2019, 07:44 PM
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I used this on my 0411:

https://ls1tech.com/forums/pcm-diagn...-released.html

-KP
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