Transmission Trouble

A forum for discussions regarding the MX-3' transmission. Swap, technical, and troubleshooting info should be placed here.
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MX3KRAZY
Junior Member
Posts: 8
Joined: July 23rd, 2007, 11:42 pm
Location: Marshall, Michigan

Transmission Trouble

Post by MX3KRAZY »

I have a 95 MX-3 1.6L automatic. For some reason it wont shift out of second gear. I was told it was the transmission control unit. Is this correct or could it possibly be something else? HELP PLEASE!
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shameem
Supporting Member
Posts: 820
Joined: May 9th, 2007, 9:59 pm

Post by shameem »

You mean it will go neutral, 1st, 2nd and reverse but not anything else

or

do you mean its stuck in second gear?

Either case - it is *very* rare that TCU would go bad (it can happen - but rare) - most probably a fried tranny. But if you can find a TCU from a junkyard or something try swapping it. 94-95 models should work.

If not try getting a fluid/filter change.

You can also trouble shoot the TCU by jumping pins GND & TAT in the diagnostic box and counting the number of flashes of the hold light. Once you get the code you can look it up in the online manual in this site.
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