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Old Jul 29, 2012 | 11:55 AM
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Steven chermak
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From: orlando
Year: 1990
Model: Cherokee
Engine: inline 6, 4.0
Default transmission.
Why does my transmission shift and drive completly fine when the tcm is unplugged? But as soon as I plug it back in my first gear feels like it has no power and shifts at high rpms.
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Old Jul 29, 2012 | 12:38 PM
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Bustedback
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From: Oroville, CA
Year: 1995
Model: Grand Cherokee
Engine: 4.0 with all of the noise and clatter
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I suspect there is a problem with the TPS giving the TCM bad information.
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Old Jul 29, 2012 | 02:10 PM
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Steven chermak
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From: orlando
Year: 1990
Model: Cherokee
Engine: inline 6, 4.0
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I replaced the tps and adjusted it. I've also self adjusted the kick down cable as well. I've checked everything I could think of and I'm at a loss for words with it. Still shifting at around 3000 rpms.
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Old Jul 29, 2012 | 05:43 PM
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tjwalker
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From: In the middle of Minnesota!
Year: 1999
Model: Cherokee
Engine: 4.0
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The TCM itself could be faulty. If you replace it, get one from a salvage yard for the best price.
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