From what I have heard the only "foot print" they look for is a " kam keep alive error". This message/error is generated after you disconnect the batteries and or pull the PCM and self clears after X amount of drive cycles. If you have to pull the PCM to remove the chip you will have to wait X amount of drive cycles or clear the Kam message from the PCM with a diag tool like AE. If you can get the chip out without disconnecting the PCM you are good to go. I cannot recall how many drive cycles are needed to clear it but for some reason 30 is stuck in my mind.......
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Steve
2000, F350. CCLB 4X4 and surprise surprise.....it's white 
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Thu, May 19th, 2011, 08:53 PM
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