Hi, having a gearbox problem this morning. Very hard to move from standstill, but continue run at 3rd gear. Brought to mech for diagnos the problem and diagnos report printed out as:Code 048 Conv. lockup clutch, excessive slip (P0740).Anybody who had experienced this before, pls advise... Try to ask mech to change ATF and filter first but been advised by him to repair or change the gearbox.Pls helllpp...