Question about 2000 Cadillac Escalade

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I have a 2000 Cadillac escalade and I just installed a brand new rebuilt transmission on it cause the RPM, MPH gauges would not work along with the little orange light that let's you know what gear your on. Also the CHECK GAUGES light came on. Anyway the suv started running like **** Like when I take off I have to punch in the gas more cause it struggles just to take off as if it was on 4x4 or something. So I paid a lot of money for the rebuilt tranny, installed it and the problem still persists. So I was told it is an electrical problem or a sensor. WOULD ANYONE HAVE A CLUE TO WHAT MIGHT BE CAUSING THIS PROBLEM?? Any help would be deeply appreciated.

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The new transmission. the tcm and pcm dont recognize the new transmission.by transmission being new.the transmission shift controls has to be reprogram to shift correctly.most all the late 90s and 2000s models gm vechicle.you install new parts they have to be reprogrammed.new vechicles transmission has to reprogrammed.like back in 50s 60s 70s 80s you could buy another transmission may sure it had fluid in it.you install new transmission and drive off on your way no troubles at all. but now is a different ball game. you install new parts. you need special diagnostic equipment to reprogram in new parts to pcm before it will shift right.

Posted on Apr 17, 2011

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