2020 Tacoma Solenoid Codes

Bought my 2020 SR 2.7L less than 1 year ago under 50k miles, it was a former fleet truck for an exterminator if that adds any context.

Ever since I bought it the transmission would occasionally slip if I gave it any throttle on a tight turn or when giving too much throttle too quickly going uphill

1-2 months ago I had an issue where my truck stalled and then turned back on throwing the codes P2714 P0746 P2808.

So far I have checked the ATF level, it was close to 3.5 qts underfilled. Filling the fluid showed noticable performance increase. I bought a solenoid assembly from Toyota thinking it would include the entire bank, only to find out $200 gets you ONE. I cannot find literally anywhere any kind of diagram or reference that even shows which solenoid is which in the assembly so that I could even buy the three that I need which will be so expensive.

My next steps are to drop the pan clean the magnets, filter, test and clean solenoids, and then replace the pan gasket.

Does anyone have a good reference for the corresponding solenoids or any guidance on these codes? I'm extremely confused by the lack of information on them because I cannot find anywhere they are referred to by the letters outside of the codes.

Thank you.

 

Im not a tranny guy by no means nor do I have factory service info ( such as this one https://techinfo.toyota.com/techInf..._request_url=https://techinfo.toyota.com:443/ )

But if the level is fine now and you're sure the level was checked properly, I would be a visual inspection for the leak that caused you to be so low on fluid because I can assure you that fluid didn't evaporate then once thats sorted out if your concern persist after clearing the codes and trying again, I would subscribe to Tis and follow the diag tree.

The low fluid and pressure fault code could just be it but if you're low fluid then you need to find out where it went and why. Not only is an auto transmission a hydraulic system at it's core but things will become very expensive very fast if running it low on oil becomes a habit

 

You have issue related to performance of SLT, SL4, SL1.
Most likely you have a line pressure issues.
Replacing solenoids most likely won't help. You need to replace a valve body or the tranny
I would just look for a replacement tranny.

Which tranny model do you have? This is for AC60E