Computer frying the PCM and CPS?
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New User
Joined: Mar 2006
Posts: 10
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Computer frying the PCM and CPS?
My truck wouldn't start and I took it to the mech. He stated the the PCM was getting so hot that the plastic was bubbling. He replaced it and then the CPS went out. He replaced that and he thinks there is a short in the system. He tested the entire wiring harness and it checks out good. Now he thinks it might be the computer causing the PCM to fry and is testing it tomorrow. Does this sound possible?
Post Fiend
Joined: Feb 2006
Posts: 11,892
Likes: 2
From: Middle Tennessee
Don't know. I thought the pcm uses about 5 volts for all if its' work. That is why the IDM is signalled by the pcm to activate the injectors so as not to overload the pcm. Did he put it on a scanner?
