Question about Cars & Trucks
If the tires are inflated to the proper specs on the door jam or glove box sticker then you must see the dealer for diagnosis and testing of the system it has a fault like a defective tire pressure transducer..
Posted on Oct 31, 2012
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Posted on Jan 02, 2017
You probably didn't need new tires unless you had some miles on it. Remember that the spare tire also has a pressure monitor as well. It most likely is causing the low tire pressure light on the dash and only needs to be inflated back to what ever your other tires are set to. I had the same problem on my RX and took it back to the dealership where they told me since the spare is exposed to the same elements (it's under the back of the RX - you have to use the tire iron to let the spare down), it will inevidably lose air.
Posted on Dec 06, 2008
Keep taking it back to the dealer until the fix it or give you a new car. Not that it's an immediate safety issue, it's just something that's supposed to be functioning properly. They have to address it because cars are legally required to have TPMS systems for safety. If a safety mehanism fails in your car, you can claim it is a safety issue. If you keep having problems with the TPMS light, you'll eventually ignore it. Then one day you'll have a tire going flat and you wouldn't know it.
Posted on May 18, 2008
If you have the silver-metal valve cores, on the rims, there is NO reset proceedure. Under the valve cores is a transmitter, which is battery powered. It sends a "yes/no" signal to the tire pressure ECM. Note that ALL 5 tires transmit to the ECM. The signal is "at or above" the specific target pressure needed, or is is below the target pressure. What to do: get a GOOD tire pressure gauge, not those cheap ones that look like pencils. Set the tire pressures to the specification, INCLUDING the spare. Your light should go out. If not, there is the possibility that one of the sensors is innoperative, and that will involve a trip to the dealership, to get it replaced under warranty. Try the tire pressure resetting, adn don't forget the spare. Get back to me if this works. Glad to help, and thanks for choosing FixYA.
Posted on Nov 11, 2008
I brought my RX350 to the dealer for this problem before. They told me to inflate my tires to 36psi for winter time although the recommended pressure is 30 psi
Posted on Jan 18, 2009
there is a reset button for the tpms either just above the accerlator or to the right of the glove box. press it and tah dah....you should be good to go.
Posted on May 24, 2009
Testimonial: "Knowledgeable expert...found the button (but unfortunately did not fix problem--maybe shop messed up a sensor in the tire)"
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