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Custom Dodge Ram Performance Mods - Engine - 5.7 HEMI V8 Discuss modifying your Dodge Ram with Performance Parts and Accessories!
Factory Spec: 5.7-liter HEMI® V8 engine - 390 horsepower, 407 lb-ft of torque.


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  #1  
Old 10-21-2012, 03:04 AM
ArcticWhite ArcticWhite is offline
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Default Question on 2012 ram ECM swap

I have a 2012 ram. I have a few questions on how the engine management is set up:

1. Does it have separate engine and tranny computers, or does ECM control both the engine and tranny?

2. If I purchase another 2012 ECM (say out of a wrecked 2012) would it be a direct plug and play? Is there anything programmed into the ecu that would prevent an ecu swap?

Has anyone done an ecu swap on a 2011 or 2012 without issue???

Thanks!
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Old 10-21-2012, 09:51 AM
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joelwalls joelwalls is offline
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just curious as to why u want to do this ive heard of others doin it for the 09 10 so they could use a programer but i think there is one available now for 11 12
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Old 10-21-2012, 09:54 AM
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The engine and trans are controlled by a common computer called the Powertrain Control Module. They must be programmedwith the VIN and SKIM code before they will work. I'm not 100 % sure but I don't think you can program them more than once.
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Old 10-21-2012, 11:09 AM
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So how does one go about getting a replacement PCM? Can the dealer program a new one? Does it have to come from dodge programmed?
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Old 10-21-2012, 11:31 AM
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What's the reason for the swap?
If just for tuning then programmers are literally just weeks away.
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Old 10-21-2012, 01:45 PM
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Quote:
Originally Posted by UNBROKEN View Post
What's the reason for the swap?
If just for tuning then programmers are literally just weeks away.
Yup, I'm curious as well.
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Old 10-21-2012, 03:37 PM
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Quote:
Originally Posted by ArcticWhite View Post
So how does one go about getting a replacement PCM? Can the dealer program a new one? Does it have to come from dodge programmed?
You can buy one from the dealer and no, it doesn't come programmed. That has to be done by the dealer or someone with a scan tool that has that capability.
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