My codes are P1747, P0743, P1740 on a 1999 Ford F150 V6 4.2L any answers?

Question

I have a 1999 Ford F150 V6 4.2L. I recently started having several codes pop up on my truck. The codes are P1747, P00743 and P1740. The truck is slow and jerky shifting from 3rd to 4th gear. Any answers to this problem?

Answer 1

P1747 EPC  (electronic pressure control) solenoid circuit failure

P0743 TCC solenoid circuit failure

P1740 TCC malfunction

Causes : EPC solenoid failure ECM solenoid driver,

The fix is to replace the EPC solenoid and also the solenoid interconnect

 

 

Answer 2

P0743 FORD Code - Torque Converter Clutch Circuit
Read more: https://www.autocodes.com/p0743_ford.html

P1740 FORD Code - Transmission System Conditions
Read more: https://www.autocodes.com/p1740_ford.html

P1747 FORD Code - Electronic Pressure Control Solenoid 'A' Short Circuit
Read more: https://www.autocodes.com/p1747_ford.html