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I have a monter notice on my dash saying tire monter sensor fault.What is wrong and can i fix it.

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  • loustoy235 Aug 24, 2010

    I am trying to fix this myself. Is there a test or process, other than having to take it to a third party, to allow me to detect which tire sensor is at fault? How can I, myself repair this sensor? Is this a repair that can only be done by a dealer?
    Lou

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Hi! It can be just a tire pressure problem. Please check the tire pressure if its right. Hope this helps and thank you for using FixYa!

Posted on Aug 24, 2010

  • dj_relly999
    dj_relly999 Aug 24, 2010

    You can start by jacking up the car and removing the front tires. Try to look for loose wirings for this can trigger the fault.

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Tire Pressure Monitor Systems (TPMS). If you see this TPMS icon illuminated, it means your vehicle has a low tire. STOP, and check the inflation pressure in your tires. This warning light will come on if tire pressure in any of your tires falls more than 25% below the recommended inflation pressure (refer to your owners manual, or the tire inflation decal in the glovebox, driver door pillar or gas tank filler cap lid for tire inflation pressure recommendations).
The TPMS warning light should come on for about one second when the ignition key is first turned on for a bulb check. It should then go out if all of the tires are properly inflated. If it does not go out, or it comes on while driving, you have a low tire.
NOTE: If the TPMS warning light is flashing, it indicates a fault has been detected in the TPMS system that will require further diagnosis. Common faults include a bad tire pressure sensor, a defective keyless entry receiver module, a fault in the TPMS or body control module (BCM), or wiring problems in the keyless entry/TPMS/BCM circuit.
Tire Inflation Pressure Monitor Systems (TPMS) are being used on more and more new vehicles. Low tires are potentially dangerous, especially if a vehicle is heavily loaded and traveling at highway speeds during hot weather. A low tire under these conditions is a blowout waiting to happen. The inflation pressure of the tires should be checked regularly, but many motorist do not check their tires. That is why Tire Pressure Monitor Systems are coming into use.
Tires are designed to operate within a certain pressure range. The recommended inflation pressure can usually be found in the vehicle owner's manual and on a decal that may be located in the glove box or door jam. The recommended inflation pressure is designed to give the best combination of ride comfort, load carrying capacity and rolling resistance.
Increasing the tire inflation pressure reduces rolling resistance (which helps fuel economy). It also increases the load carrying capacity of the tire. But it also increases ride harshness. The maximum inflation pressure (which can be found on the sidewall of the tire) should never be exceeded because too much pressure may overstress the tire and increase the risk of tire failure.
Decreasing the inflation pressure improves ride quality by making the tire softer. Under certain circumstances this may help improve traction a bit. But lowering the pressure also reduces the tire's ability to carry weight and increases rolling resistance (which hurts fuel economy).
A low tire also wears faster. Why? Because increased rolling resistance and flexing in the tread scrubs away the tread. As the miles add up, so does the wear and eventually the tread is down to the wear bars. Once the wear bars are flush with the surface of the tread, the tire needs to be replaced.
The increased friction in the tread and the sidewall that results from underinflation also generates heat. All tires are engineered to operate within a certain temperature range, which you'll find on the side of the tire (A, B or C, with A being the best). When a tire is underinflated, it runs much hotter than normal. This may or may not create a potentially dangerous situation depending on how low the tire is, how fast the vehicle is driving, how heavily it is loaded and the ambient temperature. The lower tire, the more heavily loaded the vehicle, the faster is is traveling and the hotter the weather, the greater the risk of a blowout.
A blowout can have deadly consequences because it often causes the vehicle to lose control. If the blowout occurs on a vehicle like a truck or SUV with a high center of gravity, it greatly increases the risk of a rollover.


There are essentially two basic ways to monitor tire pressure electronically. One is the direct method. A small pressure sensor is located inside each wheel. The sensor has a built-in transponder that broadcasts a radio signal to an external module. The module identifies the signal from each wheel and keeps an eye on pressure. If pressure drops below a predetermined threshold, the module turns on a light or displays a message to warn the driver. IN short get your tires checked. Thanks.

Posted on Aug 24, 2010

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