04 pilot flashing D, p0743, replaced torque converter solenoid along with 3rd and 4th pressure switch not sure what to do next?
If changing the solenoid hasn't solved the issue, I would check the wiring next. Here is some more info for you.
P0743 HONDA - Torque Converter Clutch Circuit Electrical
Read more: https://www.autocodes.com/p0743_honda.html