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420A Auto Trans Failed

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spyderdrifter

15+ Year Contributor
5,422
854
Jul 11, 2009
Somewhere in, Colorado
So I recently replaced my torque since all syptoms indicated it was starting to fail. So I replaced it, and everything was fine. Then the next day I was driving and out of nowhere, it came out of gear. Acted like it was in nuetral and I costed into a parking lot. I did get it back in gear, but it kept doing the same thing. So I got it towed to a friend's shop. The techs looked at it today and since they could scsn the TCU, unlike me, they found 4 codes. Code P1787: 3rd/4th gear mechanical failure. Code P0732: Incorrect 2nd gear ratio. Code P0700: Open circuit TCU. Code P1775: Trans system fault, Mitsu-specific code.

So would it be best to rebuild the transmission or find a remanufactured one?
 
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