I found this out this weekend. I took my truck in to try to get the idle sag flash but is was only for 2000's. He said he would reset my PCM for me since I installed a Z-tube and starting over was better than learning. I asked him if all you had to do was disconnect the battery and he said no you have to have it done by their computer. This hold true on 96 and newer dakotas he said. This guy is a certified dodge master tech and has all his patches (13?). He is a good friend and is not trying to make money for the dealership. It seems to have helped in the idle sag a little but I'm still waiting for the TSB for the 2001's. Just a little information I found out, not trying to prove anybody wrong or anything.
2001 reg cab sport plus
4.7 V8 5 speed
3.92 limited slip
Z-tube
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