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quick question about unplugging pcm

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Old 12-11-2006, 05:15 PM
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Default quick question about unplugging pcm

ok the guy i bought my car from back in august did some pcm work on the car and i don't really know a lot about it, but anyways when he did he left it hanging under the dash and i can't get it to slide into its slot under the dash without unplugging it to turn it around...so my question is will it cause any problems if i unplug it to flip it over and then plug everything back in...he did some tuning on it and i don't want to lose any of it but i want to be able to put the panel back on and not have it hanging
Old 12-11-2006, 05:19 PM
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pcm is in the engine compartment on an 4th gen fbody...is this an 4th gen fbody we're talking about here?

Last edited by foff667; 12-11-2006 at 05:28 PM.
Old 12-11-2006, 05:20 PM
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It won't do any harm to it...The most it will do is make the PCM learn all of the parameters again... I unplugged mine yesterday to run my Wideband so I do have some experience in this...
Old 12-11-2006, 05:31 PM
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it is a 4th gen like i said i don't know much about the pcm or tuning i j/ assumed thats what it was its under the dash on the passenger side
Old 12-11-2006, 05:39 PM
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hmmm, very odd. Can you get a pic of it? Im just wondering if it is the pcm & if so theres a spot underhood for it, passenger side back near the air condensor.
Old 12-11-2006, 05:46 PM
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I'm confused too - whatever it is, disconnect the battery first.
Old 12-11-2006, 05:50 PM
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well i went and looked at it a little closer and it looks like it has clips to open it up but i didn't try because there isn't much light in my garage....the pcm is under the hood where its supposed to be but i do know there is a maf translator box under the hood where i can adjust my fuel and timing....it may be something along those lines? if i can find his number i'll try to call him and find out exactly what it is but thanks for the help guys
Old 12-11-2006, 09:22 PM
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Sounds like the BCM (body control module).

Sara Lou




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