What causes a low tire pressure warning light?

1. “Low Tire Pressure” Warning Light If the low tire pressure warning light is on in your vehicle—the warning light with the icon of a tire with an exclamation point in the middle—the most likely cause is low tire pressure. This warning light could be caused by any of these:

What to do when your check engine light comes on?

If tire pressure was low in any of the tires, once the tire pressure is corrected, drive the vehicle and see if, by chance, the check engine light turns off. If it doesn’t turn off, to pinpoint the underlying fault that has caused the light to turn on will require a diagnostic.

What should I do if my tire pressure is low?

If a tire has low pressure, the dashboard TPMS light will illuminate. It may flash or stay on. If you see this while you’re driving, pull over as soon as it is safe to do so, and check the tire pressure on all wheels. Fill each tire to the pressure specified in the manual or the information panel on the inner door jamb.

How do I Turn Off the tire pressure light?

On Toyota applications, the reset procedure is fairly straightforward. Turn the key on (engine off), then press and hold the RESET button until the flashing TPMS warning light goes off. Or, if it is not flashing, hold the RESET button until the light flashes three times. Turn the key off.

What should you do if your low tire pressure warning light comes on?

Tire Damage. Most drivers shrug off bumping a curb, but damage can compromise the air seal and even the structural integrity of your tire. If your low tire pressure warning light comes on while driving, it’s best to pullover and do a visual inspection. Check for any signs of sagging or deformities in your tires’ shape.

What does the tire pressure light look like?

When the car starts, the TPMS light will normally illuminate for a second or two. This indicator often looks like a tire viewed from the front with an exclamation point inside it. Sometimes it will simply say “TPMS”.

Why do I need a tire pressure check?

A monthly pressure check of all your tires can help you keep them at the optimal level of inflation and will enable you to identify slow leaks early—possibly even before the pressure drops low enough for the warning light to come on.

What causes low tire pressure in the winter?

Low pressure could result from a leak or simply from the tendency of a tire to lose about a pound of air pressure every month, as well as a pound for every 10-degree drop in temperature. So if your tires are inflated properly in the summer, they could be low enough by the winter months to prompt the tire-pressure warning.

What to do if your tire pressure is low?

To avoid this, cancel and sign in to YouTube on your computer. An error occurred while retrieving sharing information. Please try again later. Next step in the process is to press the located button for three seconds. Once the light blinks for three times on the dashboard, this means the TPMS is reset.

What does too low tyre pressure lead to?

Low tire pressure can cause a blowout. Anyone who has ever had the misfortune of suffering a tire blowout knows how traumatic it can be. When air pressure gets too low, the tire’s sidewalls flex more, and heat builds up within the tire.

What does the low tire pressure warning light mean?

This is a low tire pressure warning light. It means pressure is low in one of your tires . The NHTSA (National Highway Traffic Safety Administration) regulations state that the low tire pressure light indicator must come on when the tire pressure drops 25% below the listed recommended inflation pressure.

What are the dangers of low tire pressure?

Tire failure is one of the biggest dangers of low tire pressure. When the surface of the tire contacts the road more than it should, the friction increases. Friction caused additional heat, which can further cause the tire to blow up or the tread to separate.

Is it bad to drive with low tire pressure?

Low tire pressure not only lowers gas mileage, it can be dangerous on the road. Tires inflated below the manufacturer recommended air pressure overheat and can break down chemically at high speeds, which can cause a blowout and an accident. Driving with low tire pressure is strongly discouraged.

What does it mean when your TPMS warning light is on?

So check your tires carefully. If your vehicle has a TPMS, it’s probably monitoring the pressure in your spare tire. Therefore, if you get a low tire pressure warning light, and if you’ve checked all four tires that are touching the ground, than you might need to put some air in the spare.

What does it mean when your tire pressure sensor is not working?

Check your repair manual of how to reset the TPMS system on your vehicle. If the fault still occurs, you have to read the error codes of the TPMS system to see what the trouble codes are. It could be a communication error with one of your tire pressure sensor or a damaged tire pressure sensor.

How do I get my low tire pressure warning light to turn off?

Turn the ignition key to “ON”. If the low tire pressure warning light comes on, push the reset switch for a few seconds and make sure the warning light goes off. Push and hold the reset switch until the low tire pressure warning light blinks three times.

When to check tire pressure with the TPMS?

While every time you start the car and the pressure light turns on and stays lighted, this means the TPMS is not functioning properly. However, before consulting the mechanic regarding this issue, do check the tire pressure. If the tire pressure is fine, the TPMS needs to be repaired. 2. Extreme Cold Weather