P1740 ford

Question

I have a 07 ford e250 keeps throwing a p1740 code after I have changed the tc, tcc solenoid,  wiring harness, new filter ,fluid , tranny changes gears fine but after I reset the code can drive about 15 to 20 miles code comes back on need help

Answer 1

P1740 TCC malfunction

This the only code that is set, ?  he engine upshifts fine and downshift fine , you need PCM.