Was 2005 the only year Toyota corolla used an FB11 trim coge and what is the difference between an FA11 and FB11 trim code?

Yes, the FB11 trim code for the Toyota Corolla was specific to the 2005 model year. The primary difference between the FA11 and FB11 trim codes typically lies in the features and specifications offered in each trim level, with FB11 often indicating a different configuration or set of options compared to FA11. This could include variations in engine types, interior features, or technology packages. Always refer to official Toyota documentation for detailed specifications and differences.