DTC P0743: Torque Converter Clutch (TCC) Circuit Fault: Condition

DTC P0743 will set if voltage detected at PCM (connector E173 terminal No. 16 on 1.6L, connector E174 terminal No. 2 on 1.8L) is 2 volts or less when TCC control solenoid valve is on, or 5.5 volts or greater when off. PCM will store DTC, illuminate MIL and enter fail-safe mode.