Same issue. 2005 SR5 V6
Have owned the truck for years with no issues.
I have a techstream and can see that it is indicating that I have RR wheel speed sensor malfunction. When I watch the live values I can see that the other wheels show speed readings, but the RR does not. Replaced the...
I have this situation currently. A normal OBD code reader didn't show the codes. I bought a ToyotaTech program which exposes much more granular information. Narrowed it down to a report of a bad wheel speed sensor. Bought a wheel speed sensor and replaced it. No improvement. Swapped the FR...
I had the shudder issue from 140k to 190K miles. I did the fluid swap by draining the pan, refilling with the exact amount, and doing it again another 3 times. My issue went away. I realize that wasn't a full swap but apparently it was enough to fix the issue. Go for it!