P0743 OBD-II Trouble Code: Torque Converter Clutch Circuit Malfunction
The P0743 OBD-II trouble code is a warning from your vehicle’s computer that there’s an issue in the torque converter clutch (TCC) circuit. This system is critical for efficient power transfer from the engine to the transmission and ultimately to the wheels. When this code appears, your vehicle’s performance and fuel efficiency may be significantly … Read more