Not Going into 3d Gear

Audi b5 2.8 Automatic ZF 5hp19 going into reverse 1st and second but when it needs to go into 3 it sounds like it is in neutral when i take my foot of the accelerator and the car slow down to 20 KM/H it engage second, and can drive till it needs to go into 3d again

No fault codes on VAG-Com how ever the Vac Com show it is in 3d Gear

I CHANGED the following

Transmission OIL, Shifter , Range selector switch , TCM (Was flooded with water)

Please Help