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Transmission problem stuck in 3rd after 1st and 2nd

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apedog

10+ Year Contributor
158
0
May 6, 2009
Lewisberry, Pennsylvania
Well the other day my box shifter I had broke and the car was stuck in 3rd. Usually I would turn the car off, then the box, and then it would be fine. So I removed the shifter box and just hooked the tcu up like normal.

Now heres the problem, the car at first will shift normally up to 3rd gear and then it will just be stuck there. Wont downshift or anything and no overdrive either. I was gonna pull a tcu code too. Is there a way to reset the tcu? I know the tranny is fine

Bad wiring near tcu was the problem
 
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