Symptoms of a Bad Tire Pressure Sensor

Symptoms of a Bad Tire Pressure Sensor

Modern cars must have tire pressure sensors to keep drivers constantly informed about the condition of their tires. These sensors are in charge of keeping track of each tire’s air pressure and warning drivers when it falls below a predetermined level.

Tire pressure sensors can malfunction, though, just like any other part of a car, which can result in a variety of issues. In this article, we’ll talk about the signs of faulty tire pressure sensors, the reasons why they occur, how to fix them, and how much it will cost to replace them.

Symptoms of a Bad Tire Pressure Sensor

The dashboard warning light is one of the most obvious signs of a bad tire pressure sensor. When the sensor detects a problem, this light, which typically takes the form of an exclamation point inside of a horseshoe symbol, will illuminate. It’s important to remember, though, that a warning light by itself doesn’t always signify a defective sensor. Low tire pressure, a hole, or a problem with the valve stem could be to blame. In order to understand the warning light, it is always important to check the tire pressure and refer to your vehicle’s owner’s manual.

Inaccurate tire pressure readings are another sign of a faulty tire pressure sensor. Incorrect readings from the sensor can result in underinflated or overinflated tires when it is malfunctioning. In turn, this may result in decreased fuel economy, poor handling, or even a blowout. This is why it’s crucial to regularly check your tire pressure and to seek professional advice if you think your sensor may be malfunctioning.

Causes of a Bad Tire Pressure Sensor

A tire pressure sensor may malfunction for a number of reasons. The most typical causes include aging and wear. The sensor may wear out and stop functioning properly over time. Damage is another reason why a sensor isn’t working properly. For instance, the sensor may be harmed and cease to function if you hit a pothole or drive over a piece of road junk. The sensor and its connections can corrode over time, which is another common reason why sensors fail. Finally, the sensor may also malfunction due to a low battery.

Fixes for a Bad Tire Pressure Sensor

Fixes for a Bad Tire Pressure Sensor

There are several fixes you can make if you think your tire pressure sensor is malfunctioning. Checking your tires’ air pressure is the first step. Low tire pressure may be the issue rather than the sensor if the tires are either under- or over-inflated. The tires must be inflated or deflated to the appropriate pressure in this situation.

If examining the tire pressure doesn’t resolve the issue, you can examine the sensor’s battery. The sensor’s battery may deteriorate over time, leading to a malfunction. The battery needs to be replaced, which is an easy and affordable fix.

Cleaning the sensor and its connections is another remedy for a broken sensor. The sensor may stop working as a result of dirt and debris building up on it over time. Its functionality may be recovered by cleaning the sensor and its connections.

Finally, you might need to replace the sensor if none of these fixes work. Although it might be more expensive, this is frequently the only way to get the sensor back to work.

Replacement Cost

Depending on the make and model of your car, the cost of replacing a tire pressure sensor will change. A new sensor typically costs between $50 and $200, but in some circumstances, the price may be significantly higher. It’s important to remember that the cost of replacement should be weighed against the risks and issues that a malfunctioning sensor could introduce. A malfunctioning sensor may result in decreased fuel efficiency, poor handling, or even a blowout. In the long run, the replacement cost will be well worth it because these risks can be costly and dangerous.

The location of the sensor is a crucial factor to take into account when estimating replacement costs. The sensor is located in the valve stem in some vehicles, while it is also built into the tire in others. Built-in sensors call for the replacement of the entire tire, which can be a much more expensive fix.

Additionally, a professional mechanic or dealership should always be consulted for tire pressure sensor replacement as they have the necessary equipment and expertise.


In conclusion, a damaged tire pressure sensor can cause a number of issues, all of which must be fixed right away. You can make sure your car is safe and efficient by being aware of the signs, causes, solutions, and costs associated with a bad tire pressure sensor.

Keep in mind to regularly check your tire pressure and to seek professional advice if you think there may be a problem with your sensor. Although purchasing a replacement sensor may seem like a small investment now, it will prevent more expensive and dangerous issues down the road.