2001 Chrysler PT Cruiser Replacing a bad PCM with used PCM

2001 CHRYSLER PT CRUISER
137,000 MILES • 4 CYL • 2WD • MANUAL
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DRACOLILLY
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My check engine light came on so I had the codes read and it came back as P0601, which was translated to me as I need to replace the PCM (computer). I am extremely tight on cash and after some research, found a used one for $150. The local dealership is telling me I can't do that, but I don't trust them and why would they sell a used on if you couldn't replace your old one with it. So, my question is:

Can I buy a used computer and replace my old one with it and have it ?reprogrammed? for my car?
Aug 6, 2009 at 5:08 PM
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JACOBANDNICKOLAS
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You have to make sure the part number is exactly the same. If it has one number different, it won't work.
Aug 15, 2009 at 10:09 PM