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What does "tire pressure sensor fault mean"


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#1 OFFLINE   mustangshelbygt500

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Posted 24 December 2009 - 12:50 PM

I got this warning on my screen with the tire pressure light flashing, it says "tire pressure sensor fault". I checked all the tires, all of them were 30 psi, everything looked ok. Why am I getting this warning? What does it mean?

#2 OFFLINE   08 Mustang

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Posted 24 December 2009 - 02:18 PM

I got this warning on my screen with the tire pressure light flashing, it says "tire pressure sensor fault". I checked all the tires, all of them were 30 psi, everything looked ok. Why am I getting this warning? What does it mean?


Typically it means the tires are low. I'd start out by putting some more air in the tires and see if that turns the dash warning off and go from there.
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#3 OFFLINE   kahmann

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Posted 24 December 2009 - 02:26 PM

I got this warning on my screen with the tire pressure light flashing, it says "tire pressure sensor fault". I checked all the tires, all of them were 30 psi, everything looked ok. Why am I getting this warning? What does it mean?

One of the sensors may have failed inside of the tires. Or one of the bands may have broken and a sensor might be floating around in there. Same thing happened to me a couple months back. Or it could just be a computer error.

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#4 OFFLINE   Son of GT

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Posted 24 December 2009 - 03:54 PM

When you have low tire pressure in one or more of your tires you will get a message saying "LOW TIRE PRESSURE" and a small amber icon of a flat tire will illuminate in your gage.

"TIRE PRESSURE SENSOR FAULT" is exactly what Ken (Kahmann) says it is. A loss of signal from one or more of the TPS's (tire pressure sensors). As stated, one or more mounting bands may have snapped, one or more of the sensors have failed, or they just need to be reprogrammed. Your dealer or most tire shops have a hand held device that is placed against the sidewall of the tire which uses a RF signal to reprogram each TPS in about five minutes or less. That would be the first thing that I would try, and if that doesn't clear the fault, then I would pursue the other potental causes of the fault code.

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#5 OFFLINE   Tob

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Posted 25 December 2009 - 06:29 AM

As soon as the outside temperature goes down (I'm twenty minutes from downtown Buffalo, NY) my dash lights up indicating the same thing. If it warms up, the light will go off. My sensors are fine, and I have the programmer that is used to 'retrain' the sensors. After a lengthy discussion with my local Ford dealer, they all said the same thing - the system is a PIA, especially for them. They get a lot of people coming into their shop with brand new vehicles with the same complaint.

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#6 OFFLINE   springer

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Posted 25 December 2009 - 07:37 AM

Don't know if this applies to you, but on my Sequoia, my tire sensor light came on and it was the spare tire that was low on air. I had to take it to the dealer to figure it out. :banghead:
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#7 OFFLINE   GT500FLYBOY

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Posted 25 December 2009 - 08:01 AM

Get yourself a training device - you can find them on ebay for like $15. set your tire pressure to what you want - then retrain all tires. i need to do this everytime i change sets of tires. i have set for the strip - set to 18lbs. everyday driving 35 lbs. road course 40lbs. i have also had tpms sensor problems, but you're going to want to do above anyway. start with that before you start dismounting tires to find a bad tpms. one indication of a bad tpms strap is you'll have tire balancing issues. you won't be able to get a tire properly balanced with the strap and tpms flopping around. if you don't have balancing issues - at least you know there are no broken straps. if you think you do, take a wheel a just roll it by hand - you should hear the strap and tpms flopping.

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#8 OFFLINE   mustangshelbygt500

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Posted 25 December 2009 - 10:08 AM

Typically it means the tires are low. I'd start out by putting some more air in the tires and see if that turns the dash warning off and go from there.


I think when it says "Low tire pressure", it means the tires are low. I did what you said anyway and it worked but after a mile I got the same warning again

Edited by mustangshelbygt500, 25 December 2009 - 10:09 AM.


#9 OFFLINE   mustangshelbygt500

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Posted 25 December 2009 - 10:23 AM

As soon as the outside temperature goes down (I'm twenty minutes from downtown Buffalo, NY) my dash lights up indicating the same thing. If it warms up, the light will go off. My sensors are fine, and I have the programmer that is used to 'retrain' the sensors. After a lengthy discussion with my local Ford dealer, they all said the same thing - the system is a PIA, especially for them. They get a lot of people coming into their shop with brand new vehicles with the same complaint.

Tob



At what temperature does that happen? if it's below 40 degrees then I'm fine, I guess.

Edited by mustangshelbygt500, 14 January 2010 - 10:43 PM.


#10 OFFLINE   mustangshelbygt500

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Posted 25 December 2009 - 10:42 AM

One of the sensors may have failed inside of the tires. Or one of the bands may have broken and a sensor might be floating around in there. Same thing happened to me a couple months back. Or it could just be a computer error.

Ken



When you have low tire pressure in one or more of your tires you will get a message saying "LOW TIRE PRESSURE" and a small amber icon of a flat tire will illuminate in your gage.

"TIRE PRESSURE SENSOR FAULT" is exactly what Ken (Kahmann) says it is. A loss of signal from one or more of the TPS's (tire pressure sensors). As stated, one or more mounting bands may have snapped, one or more of the sensors have failed, or they just need to be reprogrammed. Your dealer or most tire shops have a hand held device that is placed against the sidewall of the tire which uses a RF signal to reprogram each TPS in about five minutes or less. That would be the first thing that I would try, and if that doesn't clear the fault, then I would pursue the other potental causes of the fault code.



Get yourself a training device - you can find them on ebay for like $15. set your tire pressure to what you want - then retrain all tires. i need to do this everytime i change sets of tires. i have set for the strip - set to 18lbs. everyday driving 35 lbs. road course 40lbs. i have also had tpms sensor problems, but you're going to want to do above anyway. start with that before you start dismounting tires to find a bad tpms. one indication of a bad tpms strap is you'll have tire balancing issues. you won't be able to get a tire properly balanced with the strap and tpms flopping around. if you don't have balancing issues - at least you know there are no broken straps. if you think you do, take a wheel a just roll it by hand - you should hear the strap and tpms flopping.




Thank you all for the answers

Edited by mustangshelbygt500, 25 December 2009 - 07:08 PM.


#11 OFFLINE   mustangshelbygt500

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Posted 25 December 2009 - 10:49 AM

Don't know if this applies to you, but on my Sequoia, my tire sensor light came on and it was the spare tire that was low on air. I had to take it to the dealer to figure it out. :banghead:


I wish the problem was that, but GT500s don't come with spare tire

#12 OFFLINE   TexasShelby

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Posted 26 December 2009 - 03:50 PM

I wish the problem was that, but GT500s don't come with spare tire


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