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ECM Module

Old Jan 20, 2021 | 09:11 AM
  #1  
Geezmoore68's Avatar
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Joined: Dec 2018
Posts: 1
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From: Rossville , Ga
Year: 1999
Model: Cherokee (XJ)
Engine: 4.0. Straight 6
Default ECM Module

Hello
First post
My daughter has a 99 XJ Cherokee 4.0 all orig. We believe the ECM module is shot. Motor runs a bit rough (for no apparent reason) and its throwing all kinds of crazy transmission codes. Any advice on the "best source for a new ECM"?
Thanks in advance.
Geezmoore68

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Old Jan 20, 2021 | 09:16 AM
  #2  
Roler's Avatar
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Joined: Jan 2012
Posts: 3,170
Likes: 312
From: Australia
Year: 1997 (RHD)
Model: Cherokee (XJ)
Engine: 4.0 ltr
Default

Welcome

I wouldn't condemn the ECU just yet. They fail but not the most likely.

Did you mean the TCM?
What codes does it give?

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