Also, how do I know if it is a AW50/51 or 55/50 or a TF-80-sc?
Thanks

Thanks for responding and trying to help. I have little knowledge on this as I am a female and cars are not my thing except that I love my XC90. I have a V6 and will get the codes tomorrow from the paperwork. They tried an "adaptation" but had no luck so the service adviser called and said "replace ...

my XC90 is shuddering at 30 and/or 40 mph, pretty much when shifting.
The dealer said I need a new transmission. I have 75k miles and this seems ridiculous.
"You are looking at $5200+," said the service advisor.
This is crazy to me. It looks like without an extended warranty I am S.O.L.
I am ...