Transmission whining and slipping, check engine light on and code P0700

2005 DODGE CARAVAN
208,329 MILES • 3.8L • V6 • 2WD • AUTOMATIC
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RANDY HAWKS
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Here within the past 2 weeks my transmission started whining and hesitates or slips while driving. It does it in reverse and forward gears the check engine light came on and gave the code P0700 it feels like it's stuck between gears. What could cause this and what's the best way to fix it myself?
Nov 30, 2019 at 1:44 AM
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ASEMASTER6371
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Good morning,

The only thing you could do at this point without removing it.

https://www.2carpros.com/articles/automatic-transmission-problems

As far as the issue, it could be the front pump whining from lack of fluid. That would be caused by a clogged filter in the transmission. I would drop the pan and change the fluid and filter.

https://www.2carpros.com/articles/how-to-service-an-automatic-transmission

The 700 is just a general transmission code. It indicates there are other codes stored.

Roy
Nov 30, 2019 at 4:38 AM
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RANDY HAWKS
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When I check the fluid leaves it is full and it did not read any other codes.
Nov 30, 2019 at 11:52 AM
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ASEMASTER6371
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Okay, did you change the fluid and filter?

Roy
Nov 30, 2019 at 12:05 PM
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RANDY HAWKS
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Not yet, I'm getting ready to go get the stuff now.
Nov 30, 2019 at 12:10 PM
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ASEMASTER6371
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Okay, keep me updated.

Roy
Nov 30, 2019 at 12:24 PM
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RANDY HAWKS
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Will do, thanks.
Nov 30, 2019 at 12:26 PM
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ASEMASTER6371
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You are welcome.

Roy
Nov 30, 2019 at 12:28 PM
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RANDY HAWKS
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I changed the filter and fluid and the whining stopped and shifts just like it should now. thank you for your help. I was so afraid that I was going to need a new transmission.
Dec 3, 2019 at 6:52 AM
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ASEMASTER6371
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Good deal. Glad it is fixed.

Roy
Dec 3, 2019 at 7:04 AM