Question about 2000 Cadillac Escalade
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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Posted on Jan 02, 2017
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The engine and automatic transmission in this vehicles drive train are fully electronically controlled by a computer called the PCM and TCM (Power Train Control Module, Transmission Control Module). When a problem like this or other drive-ability related problems occurs the computer stores a record of the problem (there are of course some exceptions to this, like the fuel pump, engine coolant temperature sensor and MAF sensor for instance) in the form of a fault code in its memory, to read these fault codes you must have the systems memory scanned with a special tool. Once the fault code(s) are read you then must perform the appropriate diagnostic testing to find and resolve the problem(s) DO NOT REPLACE ANY PARTS UNTIL A TRAINED TECHNICAIN HAS DIAGNOSED THE PROBLEM TO AVOID SPENDING YOUR HARD EARNED MONEY ON PARTS THAT MAY NOT CORRECT THE PROBLEM
Did you flush the grit out of the transmission cooler and the lines to it? If not you may have ruined a new transmission.
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