To clear code PO743, which typically relates to the torque converter clutch (TCC) circuit, first inspect the wiring and connectors for any damage or corrosion. Check the TCC solenoid for proper operation, as a faulty solenoid can cause the code to return. Additionally, ensure that the Transmission Fluid is at the correct level and in good condition, as low or dirty fluid can affect performance. If these steps don’t resolve the issue, further diagnostics may be needed to check for internal transmission problems.
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