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Thread: Locked E40 PCM

  1. #1
    Potential Tuner
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    Apr 2012
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    Locked E40 PCM

    A friend of mine had a shop do a cam swap on his car. 2005 Pontiac GTO. It was known that his tune was locked, he bought the car from a dealership a few years ago. He bought another pcm online with the same service number as the original and the tuning shop said they could not get it to work. They are saying it has something to do with the lock affecting the trans controller. They even tried re-flashing with a tech 2, and said they still couldn't get it to work. They pretty much sent him on his way. The car runs on the (stockish) locked pcm, albeit not very well.

    Question is, does a locked tune affect the trans controller? Not sure if it was locked by hp or some other software. I was unable to access it with hp, only the os numbers E40-12598977/T42-24231674.

  2. #2
    Senior Tuner SultanHassanMasTuning's Avatar
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    i recall that E40 can not be locked by HPT
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  3. #3
    Senior Tuner
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    They can be locked by someone using LS2Edit. There is a shop in Arkansas that locks every one I've see come out of their shop.