What causes the Audi 80 transmission to shift erratically?

I have been experiencing issues with my Audi 80 transmission, as it tends to shift erratically and sometimes abruptly. What could be causing this problem and how can it be fixed?

One common cause of erratic shifting in the Audi 80 is a faulty transmission control module. This is a crucial component that controls the shifting of gears and can malfunction due to wear and tear.

Another possible cause could be a low transmission fluid level. It is important to regularly check and maintain the proper level of transmission fluid to ensure smooth shifting.

Faulty shift solenoids or sensors could also be contributing to the issue. These components can become damaged or worn over time and may need to be replaced to improve shifting.