Thread: Bad ECU
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Old 12-24-2016, 09:32 AM   #8
zzyzzx
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Quote:
Originally Posted by 03Alerosil View Post
I've seen it myself. You can take the ECU out of an exactly identical vehicle but because 1 VIn number is different, it won't work. I swapped an engine out of a 2002 Durango into a 2003 Durango and the PCM was different. Damnest thing. Even the security wouldn't work right.

I would only get that type of thing from a donor vehicle the same year, same engine, same transmission. And yes I would expect it to work just fine with no extra work.
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