Automatic Transmission issues

Apparently there is a Service Bulletin for these issues with the transmission. Is there a copy of that Bulletin that can be linked to?

 

Is this an additive or replacement for the differential gear lube?

 

Tech's, at the toyota dealership where i bought my truck, assured me these transmissions are very reliable...if fact they said the entire drivetrain is. I don't tow much over 2k lbs., so i'm not worried either.

 

Yeah that's basically the responses I've gotten as well. They don't see a lot of failures in the drivetrain. Overall I think the truck is plenty reliable and will last a long time with proper maintenance. I'm looking forward to getting a lot miles out of mine.