2004 Saab Aero 9-3 with engine code P1743, what is the meaning?

Question

setting trans code P1743-64 also display showing gearbox malfunction

Answer 1

P1743 64 Lock up mechanical fault

Reason for DTC : Input RPM, engine RPM,gear box fluid temperature sensor,wheel speed fault,transmission solenoid,

This is a popular code for Saab, it always found as a internal transmission failure, Replacing and repairing the transmission should be a hobby.

Answer 2

P1743 SAAB - Torque Converter Clutch Solenoid Failed On Conditions

Read more: https://www.autocodes.com/p1743_saab.html