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Ok so at 45 it seemed to start to go in dropped about 100 rpm then came back up, an when I got on the freeway I was running 2500 rpm at 76 78 mph an my check engine came back on for tcc code again
Might be easier to pull the pan..... But, should be able to test across the pins in the connector on the trans side. (unplug it, then see if you can get enough light up there and a mirror, so you can see the pins......) There is a 12 volt power feed, and then the ground wire for the solenoid, pinout of the connector is in the service manual, check the pins, put your meter across 'em, and see what ya get.