here is the list I use. And it still says Standard Ratio. I know it's zero help. haha
what other codes do you have? Its a pain in the rear end (hardy har har) but you might have to flip through them all.
That's what I did and I found two contradictory codes, and I haven't gotten an answer yet to which one will be correct.
its the same as th GT4. its a 3.73