Transmission 'slips' when cold

Oct 18, 2008

- I do not........please tell me more. Any other symptoms that would lead/confirm that the pump is defective?
-I just returned from a 400 km trip, and things seems to shift very well...even in the morning when cold.......knock on wood...
-is there a 'break-in' period after the service work...to retrain the computer how to shift?

-it seemed to 'stick' in 2nd this morning again (i.e. high revs..typical of the dakota), then it shifted out of 2nd..then just revved up....just not wanting to go into 3rd...for 30-40 seconds...til it warmed up
-this is after about 3-4 minutes of driving...going up through the gears once...then downshifts (as I slow to go around my country corners) it goes out....not wanting to go back into 3rd when asked to
....kinda coast for a bit...then it engages again.....not really a 'slip'...just a 'non-engagement'
-hope my low-tech terminology isn't just confusing you
-this is what is began to do immediately following the service work described above (filter, fluid, flush, transducer and Gov. pressure sensor-as indicated by obd 2 codes)