TPMS - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

jarviz · 12-18-2013, 12:50 PM

So I hit pothole yesterday and caught a flat and obviously the Low Tire Pressure light comes on. I replaced the flat with the spare and the light is still there.

So that led to wonder is the light still on because the flat tire is sitting in my trunk and it's still sending the signal the car... or is possible I have another tire with low pressure. I know I could easily figure this out by checking the pressure on the other tires haha

Eurasianman · 12-18-2013, 02:40 PM

Quote:

Originally Posted by jarviz

So I hit pothole yesterday and caught a flat and obviously the Low Tire Pressure light comes on. I replaced the flat with the spare and the light is still there.

So that led to wonder is the light still on because the flat tire is sitting in my trunk and it's still sending the signal the car... or is possible I have another tire with low pressure. I know I could easily figure this out by checking the pressure on the other tires haha

I would assume it is still on because you have the flat tire in your trunk. Should go away once you have the flat repaired. It looks like it takes about a minute to update. Works better if the vehicle is moving. Hope this helps.

wparsons · 12-18-2013, 02:57 PM

If you're missing a sensor, or have a sensor sending a lower pressure than the ECU wants then the light will be on.

mav1178 · 12-18-2013, 04:13 PM

Yes.... and no.

My TPMS light comes on at random times, and my stock wheels are sitting in the garage on a rack.

My aftermarket wheels do not have TPMS on them, and more than half the light is off and everything is "normal".

Frankly, just ignore the light. It's useless.

-alex

12-18-2013, 12:50 PM	#1
jarviz Senior Member Join Date: Jun 2012 Drives: Raven FRS MT Location: Queens, NY Posts: 965 Thanks: 76 Thanked 249 Times in 125 Posts Mentioned: 1 Post(s) Tagged: 1 Thread(s)	TPMS So I hit pothole yesterday and caught a flat and obviously the Low Tire Pressure light comes on. I replaced the flat with the spare and the light is still there. So that led to wonder is the light still on because the flat tire is sitting in my trunk and it's still sending the signal the car... or is possible I have another tire with low pressure. I know I could easily figure this out by checking the pressure on the other tires haha

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12-18-2013, 04:13 PM	#4
mav1178 Senior Member Join Date: Apr 2013 Drives: 2005 Toyota Camry Location: 91745 Posts: 6,562 Thanks: 493 Thanked 6,099 Times in 3,030 Posts Mentioned: 95 Post(s) Tagged: 3 Thread(s)	Yes.... and no. My TPMS light comes on at random times, and my stock wheels are sitting in the garage on a rack. My aftermarket wheels do not have TPMS on them, and more than half the light is off and everything is "normal". Frankly, just ignore the light. It's useless. -alex

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