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Power Strokes
7.3 Aftermarket
Need HELP ASAP!!
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[QUOTE="ClassicIDI, post: 672744, member: 1330"] No problem. Just for reference the the PCM is the one deciding what to do with the PATS signal and to let it start or not. When the chip is installed its overriding the PCM and basically making the programing more like a truck PCM in the sense that it no longer looks for a PATS signal to start. This is why you get the flashing Security light on the dash with the chip. The Pats Module is trying to communicate with the PCM but the PCM no longer cares what the PATS module is doing so the PATS module starts flashing its light to say something is wrong. [/QUOTE]
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