My issue ended up resolving itself. My sequoia threw that code when my radiator blew out internally, pushing all my transmission fluid into my radiator. After replacing the radiator and flushing/ refilling the coolant and tranny fluid, it all went back to normal after a few more drives.
It is located inside the area where the pan covers. That’s all I know. I got various replies that all were guesses. Even the Toyota techs didn’t know which one it was.
There are a number of YouTube videos showing how to test the solenoids. This can be done without opening the transmission if...
My 2005 Sequoia Limited started shifting strangely after my radiator blew out internally, allowing the transmission fluid and coolant to comingle. I've replaced the radiator, and flushed the coolant system. I've also drained out the transmission pan, replaced the fluid with 4 quarts, then...