do tpms sensors have batteries

Do TPMS Sensors Have Batteries?


ย |ย 

Time To Read:

14 minutes

ย |ย 

Time To Read:

14 minutes

Tire pressure might not be something you think about every day, but itโ€™s crucial for your vehicleโ€™s safety and performance. Whatโ€™s powering the pressure sensors of yourย tire pressure monitoring system, and can you do anything if it stops working? The answers might surprise you and could even save you money and a potential headache on the road.

Do TPMS Sensors Have Batteries?

Yes, TPMS Sensors have batteries. These are typically coin-sized lithium ion batteries, sealed within the sensorโ€™s molded plastic housing, and not designed for easy replacement.

In this article, weโ€™ll explore the world of TPMS sensors, including what happens when the battery dies, and your options for replacement. Weโ€™ll also dive into common questions about replacement cost, and why understanding this small but vital part of your vehicle is essential for every driver.

Letโ€™s take a closer look.

Direct TPMS Sensor Example
Direct TPMS Sensor Example

How Do TPMS Sensors Get Power?

First, letโ€™s talk about what TPMS sensors actually are. TPMS stands for Tire Pressure Monitoring System, and itโ€™s like a little helper inside your car or truckโ€™s tires that keeps an eye on the air pressure. Itโ€™s there to let you know if the tires have too much or too little air.

Two Types of TPMS: Direct and Indirect

There are two main types of these handy helpers: direct and indirect. Hereโ€™s how they differ:

  • Direct TPMS Sensors:ย These have a small device right inside each tire that talks to your carโ€™s computer. Itโ€™s like a mini weather station for each tire!
  • Indirect TPMS Sensors:ย These work a bit differently. Instead of being in the tire, they use the carโ€™s other systems, like the speed sensors, to guess the tire pressure. Itโ€™s like a detective figuring out whatโ€™s going on by looking at clues.

Where the Power Comes From

Now, letโ€™s get to the power part. How do these sensors get the energy to do their job?

Direct TPMS Sensors and Batteries

  • Battery-Powered:ย Most direct TPMS sensors have batteries inside. Itโ€™s like the batteries in your TV remote but designed to last longer and handle a bumpy ride.
  • Battery Life:ย These batteries usually last between 5 to 10 years. Theyโ€™re made to be tough!

Indirect TPMS Sensors

  • No Battery Needed:ย Indirect TPMS sensors donโ€™t need their own battery. They use the carโ€™s main power. Think of it as plugging into the carโ€™s electric grid.

Alternative Power Sources: Energy Harvesting

Some newer direct TPMS sensors use a cool trick called energy harvesting. Instead of relying on batteries:

  • Vibration Energy:ย They gather energy from the vibrations and movement of the tire.
  • Storing Energy:ย This energy gets stored and used to power the sensor. Itโ€™s like a rechargeable battery that fills up as you drive!
Autel TPMS Scan Tool

Autel TPMS Scan Tool

How to Test TPMS Sensor Battery

Just like youโ€™d want to make sure your flashlight has enough battery before going on a camping trip, itโ€™s a good idea to check the battery in your TPMS sensors now and then. If they go out, you might not get a warning if somethingโ€™s wrong with your tire pressure.

Signs That a TPMS Sensor Battery Might Be Weak

You wonโ€™t have to guess if your TPMS sensor battery is getting weak. Your car will usually give you a heads up! Hereโ€™s what to look for:

  • Warning Light:ย Sometimes, a light on your dashboard will come on to tell you thereโ€™s something up with the TPMS sensor.
  • Inconsistent Readings:ย If the pressure readings are all over the place or just donโ€™t make sense, it could be the battery.

Simple Steps to Test the TPMS Sensor Battery

Now, if you want to test the TPMS sensor battery, you can follow some simple steps. Donโ€™t worry, you donโ€™t have to be a car mechanic to do this!

Visit a Professional

  • Find a Local Garage:ย Many tire shops or car repair places will test the TPMS sensor battery for you.
  • Ask for a TPMS Check:ย Just tell them youโ€™d like a check on your TPMS sensor battery. Theyโ€™ll know what to do!

Use a TPMS Tool (For the Do-It-Yourself Folks)

  • Get a TPMS Testing Tool:ย These tools are available at auto parts stores. Theyโ€™re designed to communicate with your TPMS sensor.
  • Follow the Instructions:ย The tool will come with instructions on how to use it. Just follow along, and itโ€™ll tell you if the battery is good or if it needs to be replaced.
flashing tire pressure light example
When A Sensor Battery Dies The TPMS Warning Light On Your Dashboard Will Flash For A Period Of Time After Starting Your Vehicle And Then Stay Illuminated.

What Happens When TPMS Battery Dies?

Imagine driving and suddenly a warning light pops up on your dashboard. It might mean that the battery in your TPMS sensor has died. But what exactly does that mean, and what happens next? Letโ€™s dive into it.

The Warning Signs

First, letโ€™s talk about how youโ€™ll know if the TPMS battery is dead:

  • Warning Light:ย This is usually the first sign that somethingโ€™s wrong. Itโ€™s like your car saying, โ€œHey, I need some attention here!โ€
  • No Pressure Readings:ย If you have a system that shows you the exact tire pressure, and itโ€™s not showing anything, the battery might be dead.

What Does This Mean for You?

Now, a dead TPMS battery isnโ€™t the end of the world, but itโ€™s something youโ€™ll want to take care of. Hereโ€™s why:

No More Tire Pressure Monitoring

  • Flying Blind:ย Without the TPMS sensor working, you wonโ€™t know if your tire pressure is too low or too high. Itโ€™s like trying to guess the temperature outside without a thermometer.
  • Increased Risk:ย Proper tire pressure is important for safe driving. Without monitoring, thereโ€™s a slight increase in risk.

Need for Manual Checks

  • Old School Method:ย Youโ€™ll need to check the tire pressure yourself with a manual gauge. Itโ€™s a bit like going back in time before all this fancy technology, but it works!
  • Regular Checks:ย Itโ€™s a good idea to check the pressure regularly until you get the battery replaced.

What to Do If Your TPMS Battery Dies

Hereโ€™s what you can do if you think your TPMS battery has died:

  • Donโ€™t Panic:ย Itโ€™s not an emergency, but you should pay attention to it.
  • Check the Tires Yourself:ย You can use a manual gauge to check the pressure.
  • Visit a Professional:ย They can replace the battery or the whole sensor if needed.
TPMS sensor in wheel
Common TPMS Sensor Location In Wheel

How Long Do TPMS Sensor Batteries Last?

Batteries are like the fuel that keeps the TPMS sensors running, but they donโ€™t last forever. So, how long can you expect these batteries to keep doing their job? Letโ€™s find out.

The Typical Lifespan of a TPMS Sensor Battery

Just like the batteries in your gadgets at home, TPMS sensor batteries have a usual lifespan. Hereโ€™s what you can generally expect:

  • 5 to 10 Years:ย Most TPMS sensor batteries will last somewhere between 5 to 10 years. Thatโ€™s quite a long time in the world of batteries!

What Affects the Lifespan?

But wait, why is there such a range in how long they last? Well, different things can make a battery last longer or shorter. Hereโ€™s what might affect it:

Driving Habits

  • More Driving:ย If you drive a lot, the battery may wear out faster.
  • Less Driving:ย If your car sits in the garage most of the time, the battery might last longer.

Weather Conditions

  • Hot Weather:ย Extreme heat can make the battery wear out more quickly.
  • Cold Weather:ย Very cold temperatures can also affect the battery life.

Type of Vehicle

  • Different Cars, Different Lifespans:ย The kind of car or truck you drive might affect how long the TPMS battery lasts.

How to Know If the Battery Is Getting Weak

You wonโ€™t be left in the dark about when the battery is getting close to the end of its life. Hereโ€™s what might give you a hint:

  • Warning Signs:ย You might see a warning light on your dashboard, or the pressure readings might act a little strange.
  • Professional Help:ย If youโ€™re not sure, you can always ask a car professional to check it for you.

The Bottom Line

The batteries in TPMS sensors are made to last a good while, but they wonโ€™t last forever. Think of them like the milk in your fridge. Itโ€™s good for quite a while, but eventually, itโ€™ll go bad, and youโ€™ll need to replace it.

TPMS Sensor Battery Location Example
TPMS Sensor Battery Location Example

Where Is the TPMS Battery Located?

Youโ€™ve probably heard about the TPMS sensors and their batteries by now. But where is this battery hiding? Letโ€™s uncover this hidden treasure and see where it lives.

Inside the Sensor: A Sealed Package

The TPMS battery is like a secret ingredient in a recipe. Itโ€™s tucked away inside the sensor, and you canโ€™t see it from the outside. Hereโ€™s how it all fits together:

The Sensorโ€™s Home

  • In the Wheel:ย The TPMS sensor is usually located inside the wheel. Itโ€™s like having a tiny spy in there, watching your tire pressure.
  • Attached to the Valve Stem:ย Often, the sensor is connected to the tireโ€™s valve stem. Thatโ€™s the little thing you use to put air in the tire.

The Battery Inside the Sensor

  • Sealed Away:ย The battery is sealed inside the sensor to keep it safe from things like water and dirt. Think of it like a ship in a bottle. Itโ€™s in there, but you canโ€™t just reach in and touch it.
  • Built as One Unit:ย Most TPMS sensors and batteries are built as one piece. Itโ€™s like a peanut butter and jelly sandwich; you canโ€™t really take them apart.

Why You Canโ€™t Just See the Battery

You might be wondering why you canโ€™t just see the battery. Hereโ€™s why:

  • Protection:ย The battery is sealed inside to protect it. Itโ€™s like keeping your homework inside a folder so it doesnโ€™t get torn or wet.
  • Special Design:ย The sensor and battery are made to work together in a special way. Itโ€™s not meant to be opened up.

What to Do If You Need to Access the Battery

Since the battery is sealed inside the sensor, you canโ€™t just open it up. Hereโ€™s what you might do instead:

  • Replace the Sensor:ย If the battery dies, you usually have to replace the whole sensor. Itโ€™s like if a pen runs out of ink; you get a new pen.
  • Ask for Help:ย If youโ€™re not sure what to do, a car professional can help. They have the tools and knowledge to handle it.

The Bottom Line

The TPMS battery is hidden away inside the sensor, doing its important job. You canโ€™t see it or touch it, but itโ€™s there, helping to keep your tires in check.

tpms battery replacement example
TPMS Sensor Batteries Arenโ€™t Meant To Be Replaced, But It Can Be Done.

Can TPMS Batteries Be Replaced?

If youโ€™re thinking aboutย replacing the TPMS sensorโ€™s battery yourself, thereโ€™s a lot to consider. In most cases, the answer is that itโ€™s not meant to be replaced. Letโ€™s explore why and what your options might be.

Why Most Batteries Canโ€™t Be Replaced

Most TPMS sensor batteries are sealed inside the sensor housing. Hereโ€™s why:

  • Protection from the Elements:ย The battery is sealed to keep out moisture and other things that could damage it.
  • Special Design:ย The sensor and battery are often built as one unit.

The DIY Option: Not for the Faint of Heart

If youโ€™re brave and handy, you might think about trying to replace the battery yourself. But be warned, itโ€™s not recommended:

  • Cracking Open the Sensor:ย You would have to crack open the sensor housing, which can be tricky.
  • Scraping Out Sealant:ย There might be sealant inside that you would have to scrape out.
  • Resealing the Housing:ย After replacing the battery, you would have to reseal the housing.

I have written an article for the brave DIYer that explains this process in detail, but the general stance is that the batteries in tire pressure sensors canโ€™t be easily replaced.

The Professional Stance: Replace the Whole Sensor

Most professionals wonโ€™t replace the battery for you. Hereโ€™s why:

  • Labor Cost:ย The labor cost to replace the battery might be more than just replacing the whole sensor.
  • Risk of Damage:ย Thereโ€™s a risk of damaging the sensor when trying to replace the battery.

What Happens When the Battery Dies?

Since most TPMS batteries canโ€™t be replaced easily, hereโ€™s the usual plan:

  • Replace the Whole Sensor:ย Most people will need to replace the entire sensor.
  • Professional Help:ย A professional at a car or tire shop can do this. They have the tools and know-how to get it done right.

The Bottom Line

While there is a DIY option for replacing the battery, itโ€™s not recommended for most people. Replacing the entire sensor is usually the best and safest route to take.

Autel MX Universal Aftermarket TPMS Sensor

Autel MX Universal Aftermarket TPMS Sensor

TPMS Sensor Battery Replacement Cost

The TPMS battery is typically a coin-sized watch battery-style part that plays a vital role in your vehicleโ€™s tire pressure monitoring system. But what happens when it needs to be replaced, and whatโ€™s the cost? Letโ€™s break it down.

Identifying the Battery Type

If youโ€™re determined to replace the battery yourself, hereโ€™s what youโ€™ll need to do:

  • Open Up the Sensor:ย Youโ€™ll have to open up your current sensor to see what specific battery is used. This isnโ€™t an easy task, as pressure sensors arenโ€™t designed to be serviced.
  • Match the Type:ย The specific type of battery used will vary between different sensor manufacturers, so make sure to find the exact match.

The Batteryโ€™s Price: Pocket Change

The actual price of the battery isnโ€™t much at all:

  • Cost:ย No matter the size or type, these batteries typically cost no more than a couple of dollars.
  • The Real Cost:ย The significant cost is really the labor to perform the job, since sensors arenโ€™t designed to be easily worked on.

The Aftermarket Option: A Cost-Effective Solution

If youโ€™re looking for a cost-effective way to have functioning TPMS sensors in your car or truck, consider the aftermarket option:

  • Where to Go:ย Smaller mom and pop tire shops are typically the best place to inquire about aftermarket sensors.
  • Options:ย They may offer installation of the Autel MX aftermarket sensor or Schrader EZ-Sensor.
  • Part Cost:ย Both of these typically cost around $30 for the part.
  • Installation Cost:ย Theyโ€™ll still need to charge you for installation, plus mounting and balancing, which adds to the cost.

The Bottom Line

While the idea of replacing the battery yourself may seem tempting, the reality is that itโ€™s not a simple task, and the true cost comes in the labor. The most economical route might be to go with aftermarket sensors and have them professionally installed.

Resources

Below are some links you may find helpful when learning about tires

Final Thoughts

Powered by coin-sized batteries, tire pressure monitoring sensors diligently keep track of your vehicleโ€™s tire pressure. While the idea of replacing the battery yourself may seem tempting, the reality is that these batteries are typically sealed inside the sensor housing, making them difficult to replace. Aftermarket sensors provide a cost-effective solution, and understanding the process can save you both money and time.

Remember, your vehicleโ€™s TPMS system is more than just another dashboard light; itโ€™s a critical safety feature. Whether you decide to take on a DIY project or rely on professional service, being informed about your options ensures a smooth ride. Itโ€™s the little details like this that contribute to overall vehicle performance and safety, and now you have the knowledge to navigate this essential aspect of your car or truck with confidence.

Good luck and happy motoring.

About The Author

Tire pressure might not be something you think about every day, but itโ€™s crucial for your vehicleโ€™s safety and performance. Whatโ€™s powering the pressure sensors of yourย tire pressure monitoring system, and can you do anything if it stops working? The answers might surprise you and could even save you money and a potential headache on the road.

Do TPMS Sensors Have Batteries?

Yes, TPMS Sensors have batteries. These are typically coin-sized lithium ion batteries, sealed within the sensorโ€™s molded plastic housing, and not designed for easy replacement.

In this article, weโ€™ll explore the world of TPMS sensors, including what happens when the battery dies, and your options for replacement. Weโ€™ll also dive into common questions about replacement cost, and why understanding this small but vital part of your vehicle is essential for every driver.

Letโ€™s take a closer look.

Direct TPMS Sensor Example
Direct TPMS Sensor Example

How Do TPMS Sensors Get Power?

First, letโ€™s talk about what TPMS sensors actually are. TPMS stands for Tire Pressure Monitoring System, and itโ€™s like a little helper inside your car or truckโ€™s tires that keeps an eye on the air pressure. Itโ€™s there to let you know if the tires have too much or too little air.

Two Types of TPMS: Direct and Indirect

There are two main types of these handy helpers: direct and indirect. Hereโ€™s how they differ:

  • Direct TPMS Sensors:ย These have a small device right inside each tire that talks to your carโ€™s computer. Itโ€™s like a mini weather station for each tire!
  • Indirect TPMS Sensors:ย These work a bit differently. Instead of being in the tire, they use the carโ€™s other systems, like the speed sensors, to guess the tire pressure. Itโ€™s like a detective figuring out whatโ€™s going on by looking at clues.

Where the Power Comes From

Now, letโ€™s get to the power part. How do these sensors get the energy to do their job?

Direct TPMS Sensors and Batteries

  • Battery-Powered:ย Most direct TPMS sensors have batteries inside. Itโ€™s like the batteries in your TV remote but designed to last longer and handle a bumpy ride.
  • Battery Life:ย These batteries usually last between 5 to 10 years. Theyโ€™re made to be tough!

Indirect TPMS Sensors

  • No Battery Needed:ย Indirect TPMS sensors donโ€™t need their own battery. They use the carโ€™s main power. Think of it as plugging into the carโ€™s electric grid.

Alternative Power Sources: Energy Harvesting

Some newer direct TPMS sensors use a cool trick called energy harvesting. Instead of relying on batteries:

  • Vibration Energy:ย They gather energy from the vibrations and movement of the tire.
  • Storing Energy:ย This energy gets stored and used to power the sensor. Itโ€™s like a rechargeable battery that fills up as you drive!
Autel TPMS Scan Tool

Autel TPMS Scan Tool

How to Test TPMS Sensor Battery

Just like youโ€™d want to make sure your flashlight has enough battery before going on a camping trip, itโ€™s a good idea to check the battery in your TPMS sensors now and then. If they go out, you might not get a warning if somethingโ€™s wrong with your tire pressure.

Signs That a TPMS Sensor Battery Might Be Weak

You wonโ€™t have to guess if your TPMS sensor battery is getting weak. Your car will usually give you a heads up! Hereโ€™s what to look for:

  • Warning Light:ย Sometimes, a light on your dashboard will come on to tell you thereโ€™s something up with the TPMS sensor.
  • Inconsistent Readings:ย If the pressure readings are all over the place or just donโ€™t make sense, it could be the battery.

Simple Steps to Test the TPMS Sensor Battery

Now, if you want to test the TPMS sensor battery, you can follow some simple steps. Donโ€™t worry, you donโ€™t have to be a car mechanic to do this!

Visit a Professional

  • Find a Local Garage:ย Many tire shops or car repair places will test the TPMS sensor battery for you.
  • Ask for a TPMS Check:ย Just tell them youโ€™d like a check on your TPMS sensor battery. Theyโ€™ll know what to do!

Use a TPMS Tool (For the Do-It-Yourself Folks)

  • Get a TPMS Testing Tool:ย These tools are available at auto parts stores. Theyโ€™re designed to communicate with your TPMS sensor.
  • Follow the Instructions:ย The tool will come with instructions on how to use it. Just follow along, and itโ€™ll tell you if the battery is good or if it needs to be replaced.
flashing tire pressure light example
When A Sensor Battery Dies The TPMS Warning Light On Your Dashboard Will Flash For A Period Of Time After Starting Your Vehicle And Then Stay Illuminated.

What Happens When TPMS Battery Dies?

Imagine driving and suddenly a warning light pops up on your dashboard. It might mean that the battery in your TPMS sensor has died. But what exactly does that mean, and what happens next? Letโ€™s dive into it.

The Warning Signs

First, letโ€™s talk about how youโ€™ll know if the TPMS battery is dead:

  • Warning Light:ย This is usually the first sign that somethingโ€™s wrong. Itโ€™s like your car saying, โ€œHey, I need some attention here!โ€
  • No Pressure Readings:ย If you have a system that shows you the exact tire pressure, and itโ€™s not showing anything, the battery might be dead.

What Does This Mean for You?

Now, a dead TPMS battery isnโ€™t the end of the world, but itโ€™s something youโ€™ll want to take care of. Hereโ€™s why:

No More Tire Pressure Monitoring

  • Flying Blind:ย Without the TPMS sensor working, you wonโ€™t know if your tire pressure is too low or too high. Itโ€™s like trying to guess the temperature outside without a thermometer.
  • Increased Risk:ย Proper tire pressure is important for safe driving. Without monitoring, thereโ€™s a slight increase in risk.

Need for Manual Checks

  • Old School Method:ย Youโ€™ll need to check the tire pressure yourself with a manual gauge. Itโ€™s a bit like going back in time before all this fancy technology, but it works!
  • Regular Checks:ย Itโ€™s a good idea to check the pressure regularly until you get the battery replaced.

What to Do If Your TPMS Battery Dies

Hereโ€™s what you can do if you think your TPMS battery has died:

  • Donโ€™t Panic:ย Itโ€™s not an emergency, but you should pay attention to it.
  • Check the Tires Yourself:ย You can use a manual gauge to check the pressure.
  • Visit a Professional:ย They can replace the battery or the whole sensor if needed.
TPMS sensor in wheel
Common TPMS Sensor Location In Wheel

How Long Do TPMS Sensor Batteries Last?

Batteries are like the fuel that keeps the TPMS sensors running, but they donโ€™t last forever. So, how long can you expect these batteries to keep doing their job? Letโ€™s find out.

The Typical Lifespan of a TPMS Sensor Battery

Just like the batteries in your gadgets at home, TPMS sensor batteries have a usual lifespan. Hereโ€™s what you can generally expect:

  • 5 to 10 Years:ย Most TPMS sensor batteries will last somewhere between 5 to 10 years. Thatโ€™s quite a long time in the world of batteries!

What Affects the Lifespan?

But wait, why is there such a range in how long they last? Well, different things can make a battery last longer or shorter. Hereโ€™s what might affect it:

Driving Habits

  • More Driving:ย If you drive a lot, the battery may wear out faster.
  • Less Driving:ย If your car sits in the garage most of the time, the battery might last longer.

Weather Conditions

  • Hot Weather:ย Extreme heat can make the battery wear out more quickly.
  • Cold Weather:ย Very cold temperatures can also affect the battery life.

Type of Vehicle

  • Different Cars, Different Lifespans:ย The kind of car or truck you drive might affect how long the TPMS battery lasts.

How to Know If the Battery Is Getting Weak

You wonโ€™t be left in the dark about when the battery is getting close to the end of its life. Hereโ€™s what might give you a hint:

  • Warning Signs:ย You might see a warning light on your dashboard, or the pressure readings might act a little strange.
  • Professional Help:ย If youโ€™re not sure, you can always ask a car professional to check it for you.

The Bottom Line

The batteries in TPMS sensors are made to last a good while, but they wonโ€™t last forever. Think of them like the milk in your fridge. Itโ€™s good for quite a while, but eventually, itโ€™ll go bad, and youโ€™ll need to replace it.

TPMS Sensor Battery Location Example
TPMS Sensor Battery Location Example

Where Is the TPMS Battery Located?

Youโ€™ve probably heard about the TPMS sensors and their batteries by now. But where is this battery hiding? Letโ€™s uncover this hidden treasure and see where it lives.

Inside the Sensor: A Sealed Package

The TPMS battery is like a secret ingredient in a recipe. Itโ€™s tucked away inside the sensor, and you canโ€™t see it from the outside. Hereโ€™s how it all fits together:

The Sensorโ€™s Home

  • In the Wheel:ย The TPMS sensor is usually located inside the wheel. Itโ€™s like having a tiny spy in there, watching your tire pressure.
  • Attached to the Valve Stem:ย Often, the sensor is connected to the tireโ€™s valve stem. Thatโ€™s the little thing you use to put air in the tire.

The Battery Inside the Sensor

  • Sealed Away:ย The battery is sealed inside the sensor to keep it safe from things like water and dirt. Think of it like a ship in a bottle. Itโ€™s in there, but you canโ€™t just reach in and touch it.
  • Built as One Unit:ย Most TPMS sensors and batteries are built as one piece. Itโ€™s like a peanut butter and jelly sandwich; you canโ€™t really take them apart.

Why You Canโ€™t Just See the Battery

You might be wondering why you canโ€™t just see the battery. Hereโ€™s why:

  • Protection:ย The battery is sealed inside to protect it. Itโ€™s like keeping your homework inside a folder so it doesnโ€™t get torn or wet.
  • Special Design:ย The sensor and battery are made to work together in a special way. Itโ€™s not meant to be opened up.

What to Do If You Need to Access the Battery

Since the battery is sealed inside the sensor, you canโ€™t just open it up. Hereโ€™s what you might do instead:

  • Replace the Sensor:ย If the battery dies, you usually have to replace the whole sensor. Itโ€™s like if a pen runs out of ink; you get a new pen.
  • Ask for Help:ย If youโ€™re not sure what to do, a car professional can help. They have the tools and knowledge to handle it.

The Bottom Line

The TPMS battery is hidden away inside the sensor, doing its important job. You canโ€™t see it or touch it, but itโ€™s there, helping to keep your tires in check.

tpms battery replacement example
TPMS Sensor Batteries Arenโ€™t Meant To Be Replaced, But It Can Be Done.

Can TPMS Batteries Be Replaced?

If youโ€™re thinking aboutย replacing the TPMS sensorโ€™s battery yourself, thereโ€™s a lot to consider. In most cases, the answer is that itโ€™s not meant to be replaced. Letโ€™s explore why and what your options might be.

Why Most Batteries Canโ€™t Be Replaced

Most TPMS sensor batteries are sealed inside the sensor housing. Hereโ€™s why:

  • Protection from the Elements:ย The battery is sealed to keep out moisture and other things that could damage it.
  • Special Design:ย The sensor and battery are often built as one unit.

The DIY Option: Not for the Faint of Heart

If youโ€™re brave and handy, you might think about trying to replace the battery yourself. But be warned, itโ€™s not recommended:

  • Cracking Open the Sensor:ย You would have to crack open the sensor housing, which can be tricky.
  • Scraping Out Sealant:ย There might be sealant inside that you would have to scrape out.
  • Resealing the Housing:ย After replacing the battery, you would have to reseal the housing.

I have written an article for the brave DIYer that explains this process in detail, but the general stance is that the batteries in tire pressure sensors canโ€™t be easily replaced.

The Professional Stance: Replace the Whole Sensor

Most professionals wonโ€™t replace the battery for you. Hereโ€™s why:

  • Labor Cost:ย The labor cost to replace the battery might be more than just replacing the whole sensor.
  • Risk of Damage:ย Thereโ€™s a risk of damaging the sensor when trying to replace the battery.

What Happens When the Battery Dies?

Since most TPMS batteries canโ€™t be replaced easily, hereโ€™s the usual plan:

  • Replace the Whole Sensor:ย Most people will need to replace the entire sensor.
  • Professional Help:ย A professional at a car or tire shop can do this. They have the tools and know-how to get it done right.

The Bottom Line

While there is a DIY option for replacing the battery, itโ€™s not recommended for most people. Replacing the entire sensor is usually the best and safest route to take.

Autel MX Universal Aftermarket TPMS Sensor

Autel MX Universal Aftermarket TPMS Sensor

TPMS Sensor Battery Replacement Cost

The TPMS battery is typically a coin-sized watch battery-style part that plays a vital role in your vehicleโ€™s tire pressure monitoring system. But what happens when it needs to be replaced, and whatโ€™s the cost? Letโ€™s break it down.

Identifying the Battery Type

If youโ€™re determined to replace the battery yourself, hereโ€™s what youโ€™ll need to do:

  • Open Up the Sensor:ย Youโ€™ll have to open up your current sensor to see what specific battery is used. This isnโ€™t an easy task, as pressure sensors arenโ€™t designed to be serviced.
  • Match the Type:ย The specific type of battery used will vary between different sensor manufacturers, so make sure to find the exact match.

The Batteryโ€™s Price: Pocket Change

The actual price of the battery isnโ€™t much at all:

  • Cost:ย No matter the size or type, these batteries typically cost no more than a couple of dollars.
  • The Real Cost:ย The significant cost is really the labor to perform the job, since sensors arenโ€™t designed to be easily worked on.

The Aftermarket Option: A Cost-Effective Solution

If youโ€™re looking for a cost-effective way to have functioning TPMS sensors in your car or truck, consider the aftermarket option:

  • Where to Go:ย Smaller mom and pop tire shops are typically the best place to inquire about aftermarket sensors.
  • Options:ย They may offer installation of the Autel MX aftermarket sensor or Schrader EZ-Sensor.
  • Part Cost:ย Both of these typically cost around $30 for the part.
  • Installation Cost:ย Theyโ€™ll still need to charge you for installation, plus mounting and balancing, which adds to the cost.

The Bottom Line

While the idea of replacing the battery yourself may seem tempting, the reality is that itโ€™s not a simple task, and the true cost comes in the labor. The most economical route might be to go with aftermarket sensors and have them professionally installed.

Resources

Below are some links you may find helpful when learning about tires

Final Thoughts

Powered by coin-sized batteries, tire pressure monitoring sensors diligently keep track of your vehicleโ€™s tire pressure. While the idea of replacing the battery yourself may seem tempting, the reality is that these batteries are typically sealed inside the sensor housing, making them difficult to replace. Aftermarket sensors provide a cost-effective solution, and understanding the process can save you both money and time.

Remember, your vehicleโ€™s TPMS system is more than just another dashboard light; itโ€™s a critical safety feature. Whether you decide to take on a DIY project or rely on professional service, being informed about your options ensures a smooth ride. Itโ€™s the little details like this that contribute to overall vehicle performance and safety, and now you have the knowledge to navigate this essential aspect of your car or truck with confidence.

Good luck and happy motoring.



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