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Tire pressure light on?

Tiny
HIDDEN1
  • MEMBER
  • 2006 TOYOTA TACOMA
  • 2.5L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 149,000 MILES
I have had the tire pressure light on for a while now. I have refilled tries to correct pressure and pushed the reset button and shortly after it goes off its back on again. What options are there and how can I check the sensors or system for errors?
15-inch 5 lug rims.
Thanks
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Wednesday, December 27th, 2023 AT 10:02 PM

14 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,262 POSTS
Hi,

Chances are a battery has failed on one of the wheels. I used a tool specifically designed to test for a signal from each wheel. In this case, you will likely need to take the vehicle to a tire shop and ask if they can test the sensor in each wheel.

The batteries usually last 5-7 years. You are well beyond that, so chances are they aren't original. This is my first suspect.

Let me know your questions.

Take care,

Joe
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Wednesday, December 27th, 2023 AT 10:50 PM
Tiny
HIDDEN1
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Is this a replaceable battery in the sensor or is it a one and done sensor replace and reprogram only?
Also, if I get new wheels can I disable this option and what if they are not steel but alloy or aluminum?
Thanks
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Wednesday, December 27th, 2023 AT 10:54 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
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Hi,

The battery is integral to the sensor. So, it will need to be replaced. I'm not sure where you are located so I don't know what people are charging to do it. The tire needs to be removed from the wheel or the bead broken on the side of the sensor. The old sensor is removed, and I simply copy the frequency from it and load it to a new sensor. Once the new one is installed, if the tire isn't completely removed, it just needs to be aired back up. If it was removed completely, then it will need to be remounted and balanced.

This takes me about 15 minutes to do and under normal conditions, it is a 65.00 job which includes the sensor.

As far as an aftermarket wheel, you should be able to simply remove the ones you presently have and install them on the new wheel.

Let me know if that helps or if you have other questions.

Take care,

Joe
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Thursday, December 28th, 2023 AT 5:21 PM
Tiny
HIDDEN4321
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  • 58 POSTS
So, is there a special tool needed to program it?
Sounds like more trouble than worth. I have seen them on Amazon, but a tool is needed.
Also, is it normal for rim to be measured to sixteen inches with tape measure and tire is fifteen inches?
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Thursday, December 28th, 2023 AT 5:42 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
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Hi,

I suspect you are measuring it where the tire bead sits against the rim. The diameter is larger there, so what you indicated sounds correct.

As for programming it, yes, you need a special tool.

Let me know.

Joe
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Thursday, December 28th, 2023 AT 11:26 PM
Tiny
HIDDEN1
  • MEMBER
  • 107 POSTS
I can't see my replies. Did the last one with pic go through?

It looks like I got this.
And pattern is 5 X 4. 5.5 lug, from what I've found online?
Is there a chart at what other trucks and cars are interchangeable?
Is it possible to go to a 16-inch with same pattern on rim? Or will I have trouble being 4 cylinder, etc?
And will that make any new sensors, if I even get them, inoperable since my computer is set for oem 15?
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Friday, December 29th, 2023 AT 7:13 AM
Tiny
JACOBANDNICKOLAS
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Hi,

Yes, you should be able to find a 16" rim with the correct bolt pattern. As far as the TPMS, no, the wheel size will not make a difference.

Just remember, when you don't want to put tires on it that are too big and may rub. So, make sure you do a comparison between the OEM tire size and what you want to install so there is enough clearance. Yes, you can go bigger if you want, but check for clearance before making a decision.

Here is a great site to compare tire sizes. I use it all the time.

https://tiresize.com/comparison/

Let me know.

Joe
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Friday, December 29th, 2023 AT 8:45 PM
Tiny
HIDDEN1
  • MEMBER
  • 107 POSTS
For some reason I can't see the recent reply I sent. Here's a pic of what looks like a battery in it. Not sure if its replaceable.
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Sunday, December 31st, 2023 AT 9:30 AM
Tiny
JACOBANDNICKOLAS
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Hi,

That is correct. However, that is sealed inside the unit, and (to the best of my knowledge) it isn't replaceable.

Let me know.

Joe
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Sunday, December 31st, 2023 AT 5:10 PM
Tiny
HIDDEN1
  • MEMBER
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I saw some videos of replacing the watch battery 2032, an resoldering it on YouTube, lol I may try it for fun. But if I get that tool that reprograms it to truck an new sensors. Will that fix them? I saw some were for steel rims and others for alloy. My new rims are not steel. Will that factor it?
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Sunday, December 31st, 2023 AT 11:09 PM
Tiny
JACOBANDNICKOLAS
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Hi,

The tool I have is somewhat expensive, so you may want to have it done when the new wheels are installed. Also, a different wheel shouldn't change how the sensor functions.

Take care.

Joe
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Monday, January 1st, 2024 AT 6:09 PM
Tiny
HIDDEN4321
  • MEMBER
  • 58 POSTS
I went to Walmart auto they test TPMS for Free! 3 of my 4 on truck had 0 response a spare measured low battery. I'm looking to change out to 16 inch rims, and may buy new sensors. With factory 15 inch, what size tire on a 16 inch rim can keep the speed an handling at about the same?
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Saturday, February 3rd, 2024 AT 6:28 AM
Tiny
HIDDEN4321
  • MEMBER
  • 58 POSTS
215/70/15. Currently
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Saturday, February 3rd, 2024 AT 6:33 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
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Hi,

The closest match I can find is a 195 70 16 or a 225 60 16. See pic below.

A 215 65 16 or a 225 60 16 are close as well. They will be a bit wider, and I don't know if they will rub when turning. When I say a bit, it's not much, but I don't want to see you purchase something that may be a problem, even though I don't think it will.

On the other hand, the 195 70 16 has a slightly narrower width. If you go to this site, you can plug in different sizes to see what would likely be the best choice. That is where the pic below is from. Whatever you do, make sure you get a wheel with the proper offset so that doesn't cause issues. Offset is the amount the wheel sits away from or close to the hub where the wheel is mounted.

https://tiresize.com/comparison/

Let me know if this helps.

Joe

See pics below.
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Saturday, February 3rd, 2024 AT 3:10 PM

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