Tire pressure light blinking

DaveXIX · Jun 9, 2019

Alaba4.02006[OP] initial post: ↑

Tire light started blinking today. I have the correct pressure in my tires now and did the reset a couple of times and still blinking. Any thoughts?
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You have 1 or more TPMS sensors asleep or failed. To eliminate sleeping sensors, you can raise the tire pressure to 60psi with the vehicle running and then decrease the pressure to spec. Do this with all 4 tires.

If the light keeps blinking, you have a failed sensor. The sensor needs to be located, replaced, and the system needs to be calibrated.

DaveXIX · Jun 9, 2019

06Tacooo said: ↑

Just FYI, a dealer service writer told me that the TPMS in the spare is specific to the spare, cannot be used in any other tire location.
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That’s incorrect.

DaveXIX · Jun 9, 2019

Rtcoker said: ↑

Yep! Agree 100%. Had all those experiences. First cool days of winter usually sets off the idiot light. Driving for ten minutes and it goes off. One tire slightly low, refilled it and all good.

I was just mentioning the reset button because the OP stated that the pressures were all real high and he readjusted and then hit the reset button. I was just making sure his light was blinking for the first alert (as opposed to being solid) before he adjusted pressures and then hit the reset button. Didn't know if he then drove it, to recalibrate the new pressure setting to which he was resetting. I was thinking that might be the cause of the blinking, if he hasn't driven it yet.

Let's say if originally the four ground tires were at say 50 pounds, but the spare was holding 20# and the light came on solid at first. Then he adjusted the four ground tires down to 32# (and didn't check the spare) and then hit the reset button (now setting the new "norm" to 32#) I think the light will blink under those conditions until he drives it. And if the spare is then out of range (+/- 10#) the light would then revert to just solid (again). I am wondering if the original poster has completed the whole process once he hit the reset button.
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If the light is continuously blinking, it has nothing to do with air pressure. He likely has a bad sensor.

Muddinfun · Jun 9, 2019

Scangauge will show the tire pressure and temperature of each tire. Too bad it's such a pain to change what's showing on the screen.

Techstream is the $40 home users software to program TPMS sensors, check their battery strength and a whole bunch of other stuff.

lumpy46 · Jun 10, 2019

I have a TechII for my GTO...wondering if it will work on a Toyota? GM and Toyota used to have file sharing...I also has flashing TPMS light after setting all pressures (including spare) and I HATE going to dealer if I can do myself.

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Tire pressure light blinking

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