PCM Swaps
#11
TECH Senior Member
iTrader: (26)
Humm... Check the os that the new PCM has and compare it to your old os. I know the diesel guys have had problems with trying to flash tunes of different os's and that's one of the problems that they have when they do that. The EFILive guys said it's cuz there is sections in the os's that aren't visible to use that are different and they should stay with the same os there truck came with. Might have to do a full reflash to one of your old tunes, or have the dealer flash it with a update tune for your VIN.
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