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Discussion Starter #1
So I've been recently having grounding issues with my car which resulted in my PCM ground getting fried.

I replaced the PCM (which is in the ECU) and had the dealer program it.

After 1 day of driving, my PCM grounds all popped again. Only happens when I try to start the car, when it runs, it runs fine.

Curious to know if anyone has had this problem and what might cause my PCM grounds to short so quickly..

Car is stock internally. 2010 3.8 GT push-button start.
 

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I'd rather do it myself
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18,767 Posts
Well a bad ground will not cause a short. A short is a hot to ground though. It may be a bad ground for the ECU that would have to be individually traced and tracked down. And it appears as if there are several individual ground for the ECU.
 
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