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Unread 12-28-2014, 05:29 PM   #1
Irreversal
Registered User
1996 ZJ 
 
Join Date: May 2012
Location: Summerville, GA
Posts: 17
PCM interchangeability

Does anyone know what this pcm is for? I can't find a definitive answer. Chrysler p/n p56041 534AE I put it in my grand Cherokee and it'll take first gear but once it's out of first, it won't take first again. Also lose fourth gear.

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Unread 12-28-2014, 08:32 PM   #2
ZeeJay1997
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1997 ZJ 
 
Join Date: Dec 2008
Location: Sweet Home, Alabama
Posts: 7,151
http://lmgtfy.com/?q=56041534AE

it's not interchangeable with the 96
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Unread 12-28-2014, 11:36 PM   #3
thathubcapguy
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1996 ZJ 
 
Join Date: May 2012
Location: beverly, ma
Posts: 164
just went through this with my 96. my jeep is an early production 1996 and some parts are weird. I had an obscure part numbered one (factory) which apparently was updated. So if you have a laredo you need one from a 1996-1997 laredo to interchange there are multiple part numbers. (if you need them i can look them up tomorrow at the yard i work for) (and no i don't have the ecm in stock lol i had to buy it elsewhere)
you also need to know if you have cal or fed emissions and with or without security
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