BCM and PCM location

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Adam Roby

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Hi all,

I want to start troubleshooting my U1411 code that comes and goes like the wind. The manual is not very forthcoming but does mention both the Body Control Module and the Powertrain Control Module, and the connections between them.

I am seeing all kinds of references to where this module is supposed to be, but nothing looks the same as on my truck. Can anyone clearly identify where this is? (Inside, under the hood, what side, what to move to get to, etc.)
 

uss2defiant

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I think the PCM is in the engine bay on the driver side.
The BCM is in the dash on the driverside attached to the junction block which is the block of fuses you see on the left side.
 

Adam Roby

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Does anyone know how to properly remove those electrical connectors?
I can see that the red part slides down to "unlock", but it still seems stuck and like I will crack it if I force too hard. Any other things to flip squeeze bend unscrew?

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uss2defiant

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i think there's another tab at the bottom as well.
they're pretty tough to get out. I did unfortunately broke one of my tabs when I was doing some troubleshooting.
 

Adam Roby

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Coming back to this after a couple year break...
Wasn't there a parts website or microfiche site where you could see the breakdown of any vehicle and easily follow the components and wiring? I thought that was on this site but I can't seem to find it now. I want to try again to go though this and see if I can't find the problem once and for all...
 

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