In my case you are exactly right with your description of the problem. My 2000 Durango was having this problem two years ago. After replacing the PCM we disassembled the old one, scraped out all the muck, and examined the connector pins under a magnifier. Sloppy soldering... ring cracks existed around several of the pins with one almost completely around the middle 5v pin that others here have traced the problem to. Probably the heat caused the board to warp and break contact at the crack.
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Originally Posted by Benzman
The problem is actually where the connectors solder to the circuit board. And yes, I attempted repairing and just wound up destroying the surface mount components on the board. The problem is that they fill the entire module with muck that is impossible to remove.
You'll have to replace the entire module. Look at my previous post, there are some modifications you can do to keep the module running cooler.
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