Mine charged slightly less but in the final analysis of a persistent TPMS fault that occurred all summer, I found the car still synced to the winter tires/rims... Discussion at the 20k service and switch-over to summer tires ought to be interesting.
... I ended up buying Techtream and a mini-VCI cable for $30 on the internet. This allows me to - amongst many cool other things - program my TPMS sensors, and easily change from summer to winter tires.
I ended up getting it here: New MINI VCI for TOYOTA TIS Techstream V8.30.021 16Pin Cable I paid $34.99 for it as well, even though I bought it ~1 year ago. Shipping took a while as I believe its coming from China/Japan. But in the end, worth it!