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ECM
http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=5&t=81271		 Page 1 of 1
Author:  dr5chrome [ Mon Feb 02, 2015 4:56 pm ]
Post subject:  ECM
I am currently trying to study about changing tunes via the ECM -

In my business, the machines are not made any longer, so it is important to have a backup for any possible issue.
Since 911 I have taken this practice to everything, maybe I am being over cautious :roll:

Before I actually change the ECM programing and rely on software to be an operation back-up, I thought i would buy a used ECM module, and use that to play around with - while putting my original aside as a back-up..

Trying to find a used "CRD" ECM seems difficult. Are the ECMs physically the same in ALL 2005 liberty ? Since the software in them is going to be changed/re-flashed, does it make a difference if the ECM comes out of gas run 2005 liberty?

thanks all.. dw
Author:  gmctd [ Mon Feb 02, 2015 5:02 pm ]
Post subject:  Re: ECM
Spark-infested Liberty KJ's have NGC Powertrain Control Module

CRD Liberty KJ's have Engine Control Module with separate Transmission Control Module

Not even similar or interchangeable

'05 ECM not interchangeable with '06 ECM

Can be found on eBay:

2005 KJ 2.8L AUTO US ECM
56044562AF
56044562BA
56044562BB
56044562BC
56044562BD
56044562BE
56044562BF
56044562CA
56044562CB
56044562CC
56044562CD
56044562CE
56044562CF

2006 KJ 2.8L AUTO US ECM
56044776AA
56044776AB
56044776AC
56044776AD
56044776AE
56044776AF
56044776BA
56044776BB

Final alpha characters are production revision level - try to get latest revision for either year














Author:  dr5chrome [ Mon Feb 02, 2015 5:07 pm ]
Post subject:  Re: ECM
got it! thanks..
Author:  gmctd [ Mon Feb 02, 2015 5:21 pm ]
Post subject:  Re: ECM
dr5chrome wrote:
got it! thanks..

Can be found on eBay - got part numbers around here, somewhere - still looking.................
2005 KJ 2.8L AUTO US ECM
56044562AF
56044562BA
56044562BB
56044562BC
56044562BD
56044562BE
56044562BF
56044562CA
56044562CB
56044562CC
56044562CD
56044562CE
56044562CF

2006 KJ 2.8L AUTO US ECM
56044776AA
56044776AB
56044776AC
56044776AD
56044776AE
56044776AF
56044776BA
56044776BB

Final alpha characters are production revision level - try to get latest revision for either year

Author:  dr5chrome [ Wed Feb 04, 2015 3:38 pm ]
Post subject:  Re: ECM
gmc - Will the 2006 ECM work on a 2005??

regards, dw



gmctd wrote:
dr5chrome wrote:
got it! thanks..

Can be found on eBay - got part numbers around here, somewhere - still looking.................
2005 KJ 2.8L AUTO US ECM
56044562AF
56044562BA
56044562BB
56044562BC
56044562BD
56044562BE
56044562BF
56044562CA
56044562CB
56044562CC
56044562CD
56044562CE
56044562CF

2006 KJ 2.8L AUTO US ECM
56044776AA
56044776AB
56044776AC
56044776AD
56044776AE
56044776AF
56044776BA
56044776BB

Final alpha characters are production revision level - try to get latest revision for either year

Author:  gmctd [ Wed Feb 04, 2015 4:19 pm ]
Post subject:  Re: ECM
dr5chrome wrote:
gmc - Will the 2006 ECM work on a 2005??

regards, dw



gmctd wrote:
Can be found on eBay - got part numbers around here, somewhere - still looking.................
2005 KJ 2.8L AUTO US ECM
56044562AF
56044562BA
56044562BB
56044562BC
56044562BD
56044562BE
56044562BF
56044562CA
56044562CB
56044562CC
56044562CD
56044562CE
56044562CF

2006 KJ 2.8L AUTO US ECM
56044776AA
56044776AB
56044776AC
56044776AD
56044776AE
56044776AF
56044776BA
56044776BB

Final alpha characters are production revision level - try to get latest revision for either year



As stated above^: '05 ECM not interchangeable with '06 ECM
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