P0743 Torque Converter Clutch Solenoid/Trans Relay Circuits

SYMPTOM
P-0743 TORQUE CONVERTER CLUTCH SOLENOID/TRANS RELAY CKT

WHEN MONITORED
Continuously with the key on.

SET CONDITION
This code is set if the voltage detected on the TCC Solenoid Control Circuit at the PCM is different than the expected voltage.

POSSIBLE CAUSES
- TCC solenoid control circuit open
- Fused ignition switch output open
- PCM defective
- TCC solenoid control circuit shorted to ground
- TCC solenoid defective