Question

2000 Saturn SC1 1.9L, would air bubbles in transmission fluid cause a code p0732 on?

Answer 1

It's possible but very unlikely. Check the transmission fluid level and condition. If the fluid it's very dark and smells burnt, you could start by changing the fluid.

P0732 SATURN - Gear 2 Incorrect Ratio
Read more: https://www.autocodes.com/p0732_saturn.html

P0733 SATURN - Gear 3 Incorrect Ratio
Read more: https://www.autocodes.com/p0733_saturn.html