Toyota TRD 2013 Tire Warning Light stay ON

Hi! I got the Tire Pressure warning light on my Toyota permanently ON. Tire pressure on all wheels is adjusted to the recommended 29 PSI. The light stayed ON and I couldn't reset it with the button under the steering wheel. Anybody with the same problem?
Thanks for any help or advice!!

 

Does it blink for a few seconds before it goes solid?

 

I'll bring up two possibilities. First, have you checked your spare tire? Second, if they're original on a 2013 truck, one or more sensors may have failed. The batteries don't last forever. Oh, and if one goes, the others will not be far behind.

 

I'm having the same issue with a 2014. Reset button non responsive.

 

2005-2009 Tacoma's have TPMS in the spare tire's. However, some 2009's do have them, depends on when they were built.

2010 and up Tacoma's do not have TPMS in the spare.

 

Yes, it is blinking for a few seconds and then stay solid

 

Thanks. How can I check the sensor's batteries? Where are they?

 

Bad battery. Batteries are sealed in the sensor. Have to replace the entire sensor.

 

They are inside the valve stem. A tire shop will have a scanner that can check their operation. However, it's that magical time of year for weak batteries to reveal themselves, and if they are more than 5 years old, the tire shop is going to sell you a new set.

 

^^ This ^^

My light was flashing, then solid back in March, then it stopped as spring temps creeped up. Just last week (low temps in teens) it started back up again. Had it tested at a shop (back in Feb) and they identified the sensor. Too many rotations since then for me to keep track. I ignore it now. Will probably replace the 12 yr old sensors in the spring when I get new tires.

 

Same. Mine are only 5 years old, but one of them refuses to read whenever the temperature dips below 50.

I find it a hilarious quirk that the 3rd gen has a dashboard display of the individual tires and still refuses to show which one went bad. The truck won't show any reading until it sees all readings.

I have tires budgeted for the spring also. I'm going to knock it all out then.

 

I bought a set of Densos from RockAuto last year. Mine in my 2014 finally started failing.
I won't be without them, they've saved my bacon before.

 

Let the light stay on. Check pressures manually just like the pre nanny days.

When you need new tires, install new sensors.

 

Unfortunately most tire shops will replace the whole sensor as opposed to just the battery. Ive had it happen on a few trucks and generally follow Clearwater Bill's procedure of letting the light stay on until I need new tires. This is especially true if you change tire's seasonally, then its really not worth keeping the sensors up to date in my oppinion.

 

1 inch square of Electrical tape does the trick!

 

You can't replace just the battery. It's all or nothing, to get to the sealed battery inside the sensor has to be Cut Open.

 

The TPMS set button is NOT a reset button. it is for setting the threshold for when the warn light should trigger based on recording the current tire pressure seen at each independent tire at the time you press the button and then storing a threshold value thats just lower than that value into the ecu so your idiot light will then trigger if any tire hits its calculated threshold. if your light is on, then 1) you have one or more tires falling below the threhold set in the ECU and 2) that can also be caused by a dead sensor battery failing to report the tires pressure to the system

basically toyota provided a way for people who offroad to be able to deflate their tires and then press the set button to compute and set a lower warning so the TPMS light doesnt come on while your tires are being used at offroading deflated pressure levels you set, then when you pump your tires back up to road normal pressures you press it again to again write to the TPMS brainbox, a new threshold that a a few PSI lower than what each tire is sensed at at the time you push the set button. ... it is not a RESET button

also for those that may want to try this, it wont work. you cant set the thresholds to zero, i tried.... i have a scanner tool that allows mw to see not just the tire pressures as being read by the instrument cluster (idiot light display circuit board) from the TPMS brainbox and sensors but i can also see the temperatures and especially the value set for each wheel for the low limit threshold calculated at the time you press the button. Ive been able to go down as low as about 15 psi and pressed it and saw the calculated threshold set for around 10 but any lower than that and it cant calculate so you cant trick it to set the threshold for 0 to then defeat the light,

they designed it so that cant be done im sure the DOT mandated a minimum threshold for their computations and setting of the threshold level into the TPMS brainbox

 

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I like this advice and definitely willdo! Thanks guys for all ideas andadvices!

 

I like this advice and definitely will do! Thanks guys for all ideas and advices!

 

Let me help. See this picture of my 2015 Tacoma android head tablet displaying a customized page i made for TPMS data.... this is programmed to display data being processed in my TPMS brain box using a virtual serial port connection to it and KWP2000 protocol (you cant see this data with a regular odb2 reader connected to the trucks ecu. You have to log in specifically to the tpms module (not the ecu) to see this ..... Regardless......

What you are seeing at the bottom of this page is the 5 stored settings that were calculated when the TPMS set button was last pushed (i did not just push it, bu t instead it was pushed and calculated the 5 yellow values a few months back when i last pumped up all my tires. Note that I run my front tires on 31.5 and rear at 34.5 based on the weight increase mods I added and performed a chalk test drive

also note that the tire pressures will change as the tires and air temp warm and cools but I like i said, I did press the set button a while back when the fronts were both reading 31.5 and the rears reading 34.5.

if you look at the yellow "initial" threshold value for the fronts. They were calculated to be 80 percent of what the measured value was in each wheel at the moment you pressed the set button . once set, they stay that value indefinitely unless you press the set button again.

This is the “initial threshold”. Meaning that’s the values in each corner where each individual tire has to have a pressure drops to at or below its initial low threshold then the TPMS light will FLASH. The 5th value that is in the middle is the Low pressure threshold. As opposed to the “initial” low pressure thresholds for each corner. This value gets calculated to be 75 percent of the lowest tire pressure seen from all 4 sensors at the moment you press the button

so if you get a TPMS light flashing or solid and you just press the TPMS SET button thinking is some reset, all you did was mess up your values and you likely will still have a light on because one of your sensors is bad youll want to replace that sensor, re inflate all your tires to proper levels then press and set your TPMS set button again to have the system calculate and have values that are meaningful

im sure that very few people on here know what their TPMS threshold values are set at on their truck and very few ever care (fair enough) but when you get a idiot light, at least you can now understand a flashing vs a solid and how the system is intended to work and what the system is trying to tell you, and help you to understand what to do about it