Hey guys, 2003 caravan 3.3L Problem- Intermittently On first start up and sitting at stop lights , it feels like someone is shifting in and out of gear. like from neutral to drive. Also when you put it in gear the speedo needle bounces around between 15-30 mph when your not moving. In park it will sit at zero. When you unplug the output speed sensor it will sit zero in gear. Also after driving it for while , it will intermittently get stuck in first gear. The last time this happened , I shut it off the restarted and it shifted fine again. It shifts fine otherwise. Check engine light is on. I've changed fluid with ATF 4 and filter. Replaced both input and output speed sensors. Got ahold of 2 used tranny computers same year and tried em both and it acted the same on all 3. Any advise would be helpful. Thanks
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Did you have the code(s) read yet. If not, and it's a P0700, then you will need to have the TCM codes read with a reader that can do that. Also have the CVIs read as well.
About the only lesser expensive thing left is the solenoid, but you should get the above things done first before hanging on any more parts.