Stuck in 3rd

I have a 2011 Tacoma V6 SR5, and occasionally it will stick in 3rd gear, if I stop and restart engine it will be fine. I have not had a mechanic look at it as they’ve been covered up but plan to have it checked soon. Thought maybe someone might have some suggestions on where to start checking.

 

auto or manual?

Welcome aboard! Hope you're able to get this sorted

 

Auto

 

@Jimmyh @gearcruncher

 

I'm afraid I will have to bow to gearcruncher on this one.

 

Its a completely computer controlled transmission . Chances are there is a code stored in your computer memory that is disabling the transmission from up shifting into higher gears .
Toyota calls this fail safe mode .
Fail safe mode prevents the transmission from shifting to prevent further damage to the transmission .
Do you have a scanner to check for codes ? What size engine ? Whats your mileage ? any transmission work done to the truck ?
Auto zone scans for free . Post up the codes and we can help . This is where you need to start the diagnostic process .
Until you scan for codes , we are just guessing at the problem

 

Thank you gearcruncher, I’ll get some codes and see where we go from there.

 

I’m getting a PO776 code

Truck has about 107,000 miles no work done transmission as far as I know.

Check Engine light came on today

 

Time to pop the pan off , clean the filter , check the pcs solenoid and add new fluid .
https://www.autocodes.com/p0776_toyota.html

 

Thank you Sir for the advice. Happy New Year‼️

 

Hey Gearcruncher,

Had all that work done yesterday and seems to have solved the problem. You don’t know how much I appreciate your advice. Thank you so much‼️

Larry

 

THIS is why this forum is so great. There are some very knowledgeable folks here that are willing to help others out. Glad to hear you got it fixed!