I have a 2004 honda accord 2.4 with codes p0780 and p1734. Checked solenoids and changed trans oil and wiring good. Transmission slips jerks a bit and sometimes when stepped on gas its just like going to neutral and when revs back down it grabs again . Any help on those codes and what could be the problem.
P0780 is Shift Malfunction: see here for causes and troubleshooting
https://www.obd-codes.com/p0780
P1734 is Problem in Shift Control System:
https://www.google.com/amp/s/www.engine-codes.com/p1734_honda.html
Go through the troubleshooting above, but you may need a transmission specialist to really look at it.
Thank you for those links. I followed those steps and still have the problem. I think its time for a new transmission. I was looking for something I might off miss . Thanks.