What does code P0743 mean?
An electrical failure is detected in the torque converter clutch control circuit.
OBD-II Code
P0743 — Torque Converter Clutch Circuit Electrical
An electrical failure is detected in the torque converter clutch control circuit.
Common symptoms
- Limp mode activation
- TCC not operating
Possible causes
- Short circuit
- damaged wiring harness
Initial recommendation
Inspect wiring continuity and test TCC solenoid resistance.
Safety notice
This information is for guidance only and does not replace a physical vehicle inspection or diagnosis by a qualified mechanic. If the vehicle has severe power loss, smoke, a fuel odor, overheating, brake or steering problems, or any unsafe behavior, avoid driving it and seek professional inspection.
Analyze this code with MecaOBD
Use the app to combine code P0743 with your vehicle's actual symptoms for more complete diagnostic guidance.
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