Transmission module price

Transmission module price DEFAULT

Transmission Control Module Replacement Cost

The transmission control module helps the vehicle know when to change gears. It allows for smooth transition from one gear to the next, so when it starts to malfunction, then it can cause you serious problems and make it difficult to operate the vehicle effectively.

Changing out the transmission module will cost you $210- $1,100. The labor should be between $70 and $140, while parts can be as low as $140 or as much as $960.

Transmission Control Module Replacement Cost Comparison

Your Mechanic

WorkWarrantyPrice
Parts & Labour12 months$1025-$1290

Midas

WorkWarrantyPrice
Parts & Labour12 months$1055-$1310

Mr. Tire

WorkWarrantyPrice
Parts & Labour12 months$1010-$1275

NAPA

WorkWarrantyPrice
Parts & Labour24 months$990-$1274

Walmart

WorkWarrantyPrice
PartsLimited$699-$891

Amazon

WorkWarrantyPrice
PartsLimited$645-$1020

What Is Transmission Control Module Replacement?

Replacing the control module for the transmission can be a fairly straightforward affair in some cars. However, there can be a lot of parts to move out of the way, or the parts may be incredibly expensive. You need to be prepared for these costs with this kind of replacement job. You can always ask your mechanic for an estimate, and if you don’t like their answer, you can see someone else to try to find a better price or get a second opinion.

Benefits of Transmission Control Module Replacement

By getting your transmission module fixed, you will enjoy a much safer and reliable ride. You won’t have to worry about sudden shifts in power or bursts of speed, and you will have better control over the vehicle.

Fixing the transmission module when it goes bad also means that you are protecting your engine, transmission and other car parts from excessive wear and tear. You’ll save on future repairs and enjoy better gas mileage, so you definitely want to get this repair done as soon as you notice there is a problem.

What Is Done during Transmission Control Module Replacement?

The process for changing out the transmission control module varies from one car to the next, so we will give you a sample replacement process, but your cars may be different.

The mechanic will first remove the transmission module cover from the passenger side of the vehicle. To do this, he will have to pull out the carpet on the passenger’s side floor and open up the kickplate. Then he will need to remove the screws that hold the control module in place.

Once the cover is off, he can disconnect the cables for the module and pull the module out. The module housing and surrounding areas should be cleaned of dust and grime, after which the new module can be put in place. From there, everything can be put back where it goes, and the new module tested out by taking the car for a test drive. In newer cars, error codes may need to be cleared before the car is ready to be handed back over to the owner.

When to Get Transmission Control Module Replacement

Because the transmission module is responsible for changing gears automatically, you will most likely experience gear shift issues when it starts to malfunction. Your car may want to shift to neutral on its own and stay there, or it may lag between gear shifts. So, you may hear a whirring or grinding noise when you accelerate or decelerate. You may also see the check engine light come on or you may notice that the vehicle sputters or shuts down unexpectedly, especially when first starting it up or when accelerating. There may also be unexpected bursts of power, which can be very dangerous when you are near other vehicles and moving at high speeds.

It’s best to get this fixed as soon s you can, as allowing the problem to persist unattended and driving the vehicle in this condition can be very dangerous. If possible, the vehicle should be towed to the mechanic and not driven until it is repaired.

The module should not break down very often, but it should be inspected from time to time to catch this kind of problem before it becomes serious.

How to Save Money on Transmission Control Module Replacement

The control module can be rebuilt, as a way to save money and still enjoy a decent car component that should work well for a while. However, you don’t want to rebuild it if yourself if you don’t have experience with that sort of repair work.

You can also save money by sourcing parts on your own or by comparing the cost of labor and fees from one mechanic to the next.

Another way to save money is to do the replacement yourself, whether it is rebuilding the module or replacing it. Once again, if you don’t have the requisite experience, then this is something best left to the professionals. You don’t want to end up damaging your car or misdiagnosing the problem.

Sample Transmission Control Module Replacement Costs

ModelLaborPartsTotal
Ford F-Series$300-$330$755-$835$1055-$1165
Chevrolet Silverado$390-$410$815-$880$1205-$1290
Ford Focus$300-$330$755-$835$1055-$1165
Toyota Camry$350-$395$800-$855$1150-$1250
Toyota Corolla$350-$395$800-$855$1150-$1250
Nissan Altima$280-$295$710-$800$990-$1005
Honda CR-V$368-$400$805-$860$1173-$1260
Honda Civic$368-$400$805-$860$1173-$1260
Honda Accord$368-$400$805-$860$1173-$1260
Ford Fusion$300-$330$755-$835$1055-$1165
Sours: https://autoservicecosts.com/transmission-control-module-replacement-cost/

We probably don’t have to sit here and tell you how important the transmission in your car is. Next to your car’s engine, the transmission is arguably the most important aspect of your entire car. But what you might not realize is that your transmission isn’t going to work properly if you don’t have a fully-functioning transmission control module in your vehicle. It plays a key role in your transmission’s well-being and allows your transmission to work in the way that it should at all times. So,what is a transmission control module and what is the transmission control module repair cost going to be if yours goes bad? Find out below.

Auto Repairs Are EXPENSIVE


What Is a Transmission Control Module?

There are a bunch of different systems that are scattered throughout your car. All of these systems need to work together at one time to ensure your car runs right. The transmission control module, or TCM, is responsible for communicating with these systems so that it knows what settings that your transmission needs to use at any given time. It’s also responsible for keeping a close eye on your transmission to make sure that it’s working properly at all times.

 

As you might imagine, these are two very big responsibilities for your transmission control module. As a result, your transmission control module needs to be firing on all cylinders when you’re behind the wheel so that it’s able to take care of everything that it needs to do to keep your transmission in great shape. Even just a minor hiccup with your transmission control module could potentially lead to your transmission running inefficiently or sustaining damage. It’s why you need to check up on your transmission control module from time to time to see whether or not it might need to be repaired or replaced.

 

You’ll find transmission control modules in vehicles with both manual and automatic transmissions. But we should point out that they tend to play a bigger part in the operation of automatic transmissions as compared to manual ones. This means that those who drive cars with automatic transmissions should be extra careful about keeping their transmission control modules up and running all the time.

How Does a Transmission Control Module Work?

Now that you know what a transmission control module is, it’s time to talk a little bit more abouthow it works. You’ll gain a new appreciation for your car’s transmission control module once you see how difficult of a job that it has when you’re driving around in your car.

 

While you drive, your car’s transmission control module is constantly communicating with the other systems that exist in your vehicle. It’s then taking the information that it’s receiving from these systems and processing it so that it’s able to apply the right settings to your transmission. At the same time, it’s also communicating with your transmission and gathering information from it. This information is then used to let you know if there might be a problem with your transmission. You really can’t understate the importance of your transmission control module when it comes to transmission’s health.

 

Since your car’s transmission control module is doing so much at once, it’s not all that uncommon for it to go bad over time. You may need to find out the transmission control module repair cost so that you can fix it. You may also need to figure out what it’ll cost to replace your transmission control module, because once it starts to give out on you, there is typically no saving it. You should know how much a new transmission control module is going to set you back so that you can work it into your car maintenance budget.

How Long Does a Transmission Control Module Last?

The good news when it comes to your car’s transmission control module is that you shouldn’t ever have to worry about repairing or replacing it. More often than not, the transmission control module in today’s cars will last for the duration of a car’s life. So you shouldn’t have to worry too, too much about replacing yours at any point.

 

But with that being said, there is no guarantee that your transmission control module is going to keep on kicking for you for years to come. There are some times when people will have to repair or replace atransmission control module that has gone bad once a car reaches the 75,000-mile mark.  You should be aware of this possibility and know what the transmission control module repair cost is going to be so that you can fix your car right away.

What Are Common Signs of a Transmission Control Module Problem?

There are a lot of things that can go wrong with your transmission control module when it goes bad on you. Just about all of them can cause serious issues with your transmission and possibly lead your car disabled. When your transmission control module goes bad, it might not be able to make all of the usual calculations that it makes. It might also have a hard time connecting to the systems in your car or struggle to interpret all of the information that it’s sent properly. This could have a detrimental effect on your transmission.

 

It’snot going to be too hard for you to see when these kinds of things are going on with your transmission control module. Once it begins to go bad, you’re often going to see your check engine light pop on. You might also find that your transmission will only give you access to one or two gears, and you might even discover that your car won’t turn on at all. These are very bad signs for your transmission control module.

 

If you spot any of these signs, you should schedule transmission control module repair or replacement right away and prepare to shoulder the transmission control module repair cost. You’re not going to have any other choice if you plan on keeping your car.

Can You Continue to Drive With a Bad Transmission Control Module?

Despite seeing some or even all of the signs of a bad transmission control module that we just mentioned, there are some people who will try to keep on driving around in a car with a bad TCM. This is pretty much never a good idea! You could end up getting stranded somewhere if you decide to drive in a car with a transmission control module that’s not working right.

 

Oftentimes, a car with a bad transmission control module will enter intowhat is called “limp mode.” When your car goes into this mode, it’s not going to be able to do much other than “limp” home for you. It’s going to move very slowly and refuse to go faster unless you take the time to have it repaired. You’ll have to pay the transmission control module repair cost prior to using your car again.

 

You obviously don’t want to have to go through this when your car is parked at work, school, church, or any other location other than your home. You might have to leave your car parked somewhere until you can have it towed to a repair shop. It’s why you shouldn’t ever attempt to continue to drive a car that is in need of transmission control module repair.

What Should You Do If You Have a Bad Transmission Control Module?

If you ever suspect that you might have a bad transmission control module on your hands, you should, as we just talked about, stop driving it right away. You’re going to be asking for trouble if you keep on driving a car with a transmission control module that’s not working properly. You should also make an appointment withan ASE-certified mechanic so that they can take a look at your transmission control module and repair or replace it.

 

In a perfect world, you should schedule an appointment with a mechanic who works at an auto repair shop that specializes in transmissions. Not all mechanics have enough experience with transmissions, which is why you shouldn’t trust just anyone to work on yours. You should toss the keys to someone who knows car transmissions inside and out and who can perform transmission control module repair without a problem. It’ll ensure your transmission is fixed when you get it back and keep your transmission control module repair cost on the more affordable side.

Can You Repair or Replace a Bad Transmission Control Module Yourself?

Have you ever done extensive work on the transmission inside of your car? If you haven’t, then there is absolutely no way that you should even think about trying to repair or replace a transmission control module on your own. The transmission in your car is one of the most complicated parts in it, and you’re going to find yourself with a huge headache if you try working on it and don’t know what you’re doing.

 

This is yet another reason why your best bet is going to be hiring an experienced mechanic to repair or replace your transmission control module. It will, of course, drive up your transmission control module repair cost and force you to shell out some serious money to get the job done. But you’re going to sleep so much better at night when you know that your car’s transmission was fixed right.

What Does Transmission Control Module Repair Cost?

So now, we come to the million-dollar question: What does transmission control module repair cost? It’s something that you’re definitely going to want to ask yourself prior to taking your car in for service since you might experience a bit of sticker shock if you don’t.

 

The transmission control module repair cost isn’t going to be cheap in most cases. The exact price that you’ll pay for transmission control module repair or replacement is going to depend on everything from the make and model of your car to the mechanic that you hire to work on it. But on average, car owners paysomewhere between $850 and $925 for transmission control module repairs. The parts associated with working on a transmission control module usually run people about $750 to $800, while the labor comes in at about $100 to $125. This makes it a pretty costly repair job.

 

This doesn’t mean that you should put it off any longer than you have to. As we’ve emphasized a few times now, you shouldn’t ever attempt to drive around in a car when you know it has a bad transmission control module. That’s going to prove to be a recipe for disaster sooner or later.

Is the Transmission Control Module Repair Cost Worth It?

Do you think that you’re going to be driving your current car around for at least a few more years before getting a new one? That is going to be reason enough to pay the transmission control module repair cost to have your TCM fixed. You don’t want to push a bad transmission control module any further than you have to.

 

If, however, you have an older car that might not even be worth $800 or $900, repairing or replacing a bad transmission control module might not be worth your time or money. In this case, you should think about possibly selling your car so that you can get rid of your transmission control module issues altogether. It’s often going to be the best option for you.

Can You Sell a Vehicle With a Faulty Transmission Control Module?

Those who have bad transmission control modules in their car are typically under the impression that they’re not going to be able to sell their vehicles. But this isn’t always true. While a private buyer might not be interested in purchasing your car from you when it has a bad transmission control module in it, junk car buyers will gladly pay you cash for it. This will help you steer clear of having to pay the transmission control module repair cost and put cash directly into your pocket instead.

 

Does this sound like the right move for you to make? Cash Cars Buyer would love to purchase your old car from you, in spite of the bad transmission control module in it. You can avoid paying the transmission control module repair cost by accepting an offer from us.Reach out to us today to get your hands on an offer that might be a whole lot higher than you would think it would be.

Categories BlogSours: https://www.cashcarsbuyer.com/transmission-control-module-repair-cost/
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Your transmission control module is a key part of your vehicle. As you might expect, along with the engine and the transmission in your car, the transmission control module is a crucial component that works alongside these two huge parts, helping you and your passengers drive safely and keep the performance at a high level. When you are driving your car forward, the transmission control module is in charge of locating and analyzing the right time and place to change the current gear to make sure that the driver’s experience can be smooth and performance-oriented.

Auto Repairs Are EXPENSIVE


What is the function of the transmission control module 

Aside from the main responsibility of the transmission control module, this control module can also send certain OBD-II codes that show your car’s problems to the computer in your vehicle. If your car happens to detect any malfunction or issues within the transmission, the transmission control module can send the codes. If you are wondering how you know if the transmission control module is bad, then your OBD-II codes will not be detected. These codes can appear in various forms, like the check engine light coming on and being illuminated on your dashboard, or other signs that alert you that something will not be right under the hood of your car and in your engine system.

Why the transmission control module is important 

 

Since the transmission control module provides a huge link between your transmission and your engine, the transmission control module is a huge part of your driving experience and performance. Without a transmission control module that works properly, your car cannot change the necessary gears when needed to drive correctly, and can lead to serious mechanical issues with your engine and transmission that require replacements and very expensive repairs. 

 

These parts are also in charge to improve the quality of smooth shifting in your car and the performance of your transmission system. This means that shifting between gears is smooth, easy for the driver, and does not place any extra stress on the gears. This can lead to your car not experiencing as much wear and tear on the gears, and less break down over time. This keeps your transmission in a better shape for a longer period of time, and requires fewer repairs on your transmission. 

 

In addition, the party's ability to send OBD-II codes to the car’s internal computer, like the electronic control module, serves as a good way to identify any potential transmission problems before something goes wrong in your vehicle and damages your engine further. This can help prevent serious damage that is expensive and requires engine replacement that is very costly and time-intensive. 

Signs of a Failing Transmission Control Module

 

Now that we know that the transmission control module is a huge component of a vehicle with an automatic transmission system, it is imperative to know the signs and symptoms of a failing or damaged transmission control module. Although your car’s transmission control module should technically never need replacing, if you have a damaged control module, repairs or replacements will be necessary. This module is key for communicating information with other systems in your car. 

 

The transmission control module can often be found below the cover at the back of the transmission and should be located just near the engine control module’s position. The position of the transmission control module is found under the center console in the interior or under the hood near the car battery. If you have a problem with this control module, you should have it looked at by a mechanic right away so that you can prevent any further damage to your car’s battery and transmission. As a driver, pay attention to the following signs and symptoms of a bad transmission control module. 

Check Engine Light

 

Although your check engine light can turn on for various reasons, if the check engine light illuminates on your dashboard, it can mean several things for your car, including a failing transmission control module. If you have any problems with the shifting and your shifting is rough in addition to the light showing up on your dash, then it is most likely an issue with your transmission. 

 

Along with the transmission control module being a problem, the check engine light can come on due to a poor fuel economy, oxygen sensor failing, mass air flow sensor failing, a loose fuel cap, catalytic converter failure, spark plug and ignition coil issues, bad spark plug wires, issues with an aftermarket alarm, and a vacuum leak. 

Unpredictable Shifting

 

Along with the check engine light coming on in your vehicle, there can be unpredictable and erratic shifting in your car if you have a problem with the transmission control module. Since the automatic transmission relies on the transmission control module to shift properly, a bad transmission control module can cause incorrect and unintended shifting. Unless you have a manual override option in your car, you will need to go to a mechanic or an auto body shop to have the transmission control module replaced and fix your car before it hurts your engine. 

Problems Shifting into Higher Gears

 

When you gradually increase the speed of your car, you should notice that your transmission should correctly move into higher gears at the right time so that you can easily drive your car uphill or while accelerating. If this does not happen in your vehicle, you will notice that your car’s engine’s RPM will keep increasing instead of slightly changing during an upshift. Since each gear has a max speed that it can hit within the gear, you might never reach the speed necessary, like if you are driving on a highway, if your car will not shift into a higher gear and allow you to drive faster. 

Problems Downshifting

 

This problem is similar when the car has issues shifting into higher gears, but the problem is actually in a reverse order. In order to pas a slow moving vehicle and to shit your transmission, your car will fail to go into lower gear when you press the pedal to the floor and try to quickly accelerate, whether it be passed a car or up a hill. If you are cruising down the highway at high speeds, then your transmission should be going into lower speeds when you try to slow down – like when your car comes to a stop, the automatic transmission should be changed into first gear. 

 

If your transmission control module is bad, then you might still be in high gear as you are going to a stop. This is a way you can tell if your control module is bad, if your car is still in a high gear when you try to slow down. 

Stuck in the Same Gear

 

If your car is unable to shift out of first gear and you know that your transmission control module is bad, your car will be stuck in neutral or first gear. This means that the transmission will not shift and you will not be able to move the car anywhere. 

Delayed Shifting

 

In order to be able to change gears and speeds of your car, your transmission control module has to cycle through various gears at the time it is necessary. If you have a bad transmission control module, then this can cause the cycle between gear to move too slowly. This can cause poor acceleration, and cause the performance of the engine to be suboptimal. When you approach a hill or you have to pull heavy loads, the shifting performance can get even worse, showing you how you know your transmission control module is bad.

Poor Fuel Economy

 

If you experience problems with your transmission system and your transmission control module, then this can result in a poor fuel economy and a poor fuel mileage. An automatic transmission is designated for quick and smooth gear selection and the timing, being able to  provide you with the best possible fuel economy and the most efficient gas mileage. 

 

If you have a transmission control module that has gone bad or is damaged, then this can aff3ect the timing and your eigen wil have to overheat and work harder than usual to give the same amount of performance. This can cause you to spend more fuel than usual, more money filling your tank, and let you know how you know your transmission control module is bad. 

Bad Transmission Control Module Replacement Cost

 

In order to replace the transmission control module if it is not working correctly or has been damaged over time, the replacement cost of a transmission control module ranges anywhere from $500 to $900. To determine how you know your transmission control module is bad, you will need to repair or replace the module. The parts costs are going to be around $450 to $700, while the labor costs will be between $50 and $200 in total. 

Bad Transmission Control Module Repair Cost

 

Sometimes, the damage is not high enough to warrant a full replacement for the transmission control module and you will just need to do the repair. Another option is to repair your TCM, with the transmission control module repair cost will be lower than replacing the module. On average, you can expect to pay around $300 to repair your transmission control module. While most TCM repair businesses will offer a warranty, it can be a real problem if the repair is not done right, since you will have to then pay for the replacement. 

Repairs related to transmission control module replacement

 

Along with the replacement of the transmission control module if your TCM has gone bad, there are some other repairs that are directly related to this issue. The air conditioning refrigerant line replacement runs between $561 and $591, and the alternator replacement runs between $572 and $760. 

 

In addition, the horn replacement and suspension shock or strut replacement are commonly associated with the bad transmission control module, and cost between $140 and $158 and $765 and $873 respectively. Furthermore, the trunk lock cylinder might also have to be replaced, running between $151 and $162. 

 

The last three repairs for the car that are related to the transmission control module replacement are the camshaft seal replacement for between $368 and $477, the variable valve timing actuator replacement for around $806 and $967, and the sliding door lock actuator replacement between $260 and $283. 

Can I drive with a bad transmission control module?

 

Now that you know the prices you will need to pay for either the repair or replacement of the transmission control module in your vehicle, it is imperative for you to know if you can drive your car safely with a bad transmission control module. 

 

If the transmission control module fails and has become damaged over time, it is likely to leave the car unable to drive, disabled, or only being able to function in just one or two gears, providing not the performance needed to drive your vehicle safely. This can cause the car to go into “limp mode,” where the vehicle will be unable to drive until the bad transmission control module is repaired or replaced. 

 

Limp mode in your car is a security feature in most modern vehicles where the computer activates the engine or transmission control unit to pick up a fault. Once the transmission control unit has picked up a problem in the vehicle, the limp mode will cause certain parts of the car that are not very important, like the air conditioning and electronics, to switch off, and reduce the speed of the car. 

 

Limp mode in your car can be a direct sign of a bad malfunctioning transmission control module. Some symptoms of the limp mode and the check engine light are directly related to problems with the transmission wiring, while the REV limit being between 2500-4500 RPM being the result of a malfunctioning engine boost control.

 

In addition, other symptoms of the limp mode include under-boost and low performance, which are related to defective engine components and the engine sensor s being faulty. The last two symptoms are restricted functions, which are caused by problems with the brake system wiring, and the transmission shifting maximum into third gear, which is due to faulty engine wiring. 

 

Categories BlogSours: https://www.cashcarsbuyer.com/how-do-i-know-if-my-transmission-control-module-is-bad/
4 Signs of a Bad TCM Transmission Control Module Failing Symptoms Reprogramming

A transmission control module or TCM is an essential electronic device presented in all modern vehicles with an automatic transmission.

The transmission control module gathers data from the engine and transmission to make the gear shifting in the transmission.

If your vehicle’s transmission control module fails, a variety of different problems can occur, so a properly functioning transmission control module is important for your vehicle. Let’s take a quick look at the signs to look for:

The most common symptom of a bad TCM is a check engine light or a transmission fault warning light on your dashboard. You may also notice shifting issues like unpredictable shifting or no shifting at all. Increased fuel economy is a common sign of a bad TCM also.

There are a few main things that can happen when your transmission control module fails.

Here is a more detailed list of the 6 most common symptoms of a bad transmission control module.

Bad Transmission Control Module (TCM) Symptoms

1. Check engine light

Check Engine Light

The most common symptom of a bad transmission control module is a check engine light on your dashboard.

The engine control unit and the transmission control unit work together. If the engine control unit receives a faulty signal from the transmission control unit – it will light up the check engine light.

2. Transmission fault light

Gearbox Symbol

Some cars do also have a transmission fault light on the dashboard. It is difficult for the transmission control module to know when it is damaged, but if another control unit like the engine control unit gets strange data from the TCM, it will light up the transmission fault light.

3. No Gear shifting at all

No Gear Shifting

Another common problem when it comes to a faulty transmission control module is no shifting at all. It will maybe stay in neutral or park without even trying to put in the first gear or reverse. If this happens, it is a sign of a faulty TCM.

You can also notice it if your car is shifting to first gear and going forward but refuse to shift up to the next gear.

4. Unpredictable shifting

Car Shifting Problems E1609782519191

If your TCM has gone bad, it can do a lot of strange things with the shiftings. It can downshift when it should not and upshift when it shouldn’t. This can cause dangerous situations in the traffic, so you should check it as fast as possible if you experience it.

5. Stalling engine on gear shifting

Broken Car

You can also notice that the faulty TCM is upshifting way too early, sometimes making your engine stall or almost stall.

This is also a dangerous situation on the road because you can lose control over your vehicle and you should fix it as soon as possible.

6. Poor fuel economy

Refuel Car

Poor fuel economy can also happen when the transmission control unit went bad.

The transmission control module is programmed to shift the gearbox for the best possible fuel economy. If this doesn’t happen, there is a risk that your fuel economy will suffer.

What is the function of the transmission control module?

Transmission Control Unit

The transmission control module, or TCM, is an electronic device similar to the ECU or engine control unit. However, the module’s functionality differs because the TCU is basically responsible for the proper operation of the transmission and transaxle.

The transmission control unit or module essentially receives information, in the form of sensor data, from several different sensors, which are then processed and manipulated to produce specific signals and commands.

These commands are transmitted to many other components to ensure the proper operation of the vehicle.

Transmission Control Module (TCM) Location

The transmission control module is usually located under the center console inside your car. It can also be located on the transmission itself.

This is very different depending on which car you have, as the transmission control module can particularly be located anywhere inside your car.

To find the transmission control module’s exact location for your particular car model, you should check the repair manual for your car model or ask your authorized dealer.

Transmission Control Module Inside Gearbox

Transmission Control Module Replacement Cost

The average transmission control module (TCM) replacement cost is between $250 and $1250, depending on the car model and labor costs. The average cost of the transmission control module is between $200 and $750 and the labor cost is between $50 and $500.

The costs associated with replacing the transmission control module in your vehicle depend on many factors, such as your vehicle’s design and type, the company, and the parts to be replaced.

In some vehicles, the transmission control module is even installed inside the transmission, which creates the problem that you have to take it apart. As you may understand, this can be very costly.

The other thing to consider is that after the transmission control module replacement, it needs to be programmed by a diagnostic tool. You most often need to do this at a workshop, and nothing you can do yourself with basic knowledge.

You can try to find a used TCM on the scrapyard to reduce the costs if you think the TCM is fried.

Sours: https://mechanicbase.com/transmission/transmission-control-unit-replacement-cost/

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Last Updated on May 11, 2021

The transmission control module (TCM) is a vital component of any vehicle with an automatic transmission system. Rather than relying on hydraulic or mechanical control over a transmission system, newer vehicles use a transmission control module instead.

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A car’s TCM will likely never need replacing, but if you have a bad transmission control module, immediate replacement (or repair) will be necessary. This module is basically a computer which communicates information to other computer systems within the vehicle.

The purpose of the transmission control module is to help the automatic transmission choose the best gear to be in at any given time. That way, the driving performance and fuel economy will be at the optimal level.

See Also: PCM vs ECU vs ECM vs TCM (What’s the Difference?)

Signs of a Bad Transmission Control Module

The transmission control module can often be found below the cover at the back of the transmission case. It should be just below the engine control module’s position. Sometimes it’s found under the center console in the interior or even under the hood near the battery or inner fender panel.

If you ever have a problem with your transmission control module, you’ll need to have it inspected right away. A bad TCM will spell trouble for your vehicle and your ability to drive it. Fortunately, there are a few basic symptoms that you’ll most likely notice before this happens.

#1 – Check Engine Light

bad-tcm-symptoms

If the Check Engine warning light illuminates on your dashboard, it could mean several things. But if you notice any problems with your shifting in addition to the Check Engine light being on, then it is most likely a problem with your transmission control module or some other component of your transmission system.

In any event, get your vehicle checked out immediately by a mechanic or use your own scan tool to check for any Diagnostic Trouble Codes (DTC). If code P0700 shows up, you may have a problem with your transmission control module.

#2 – Unpredictable Shifting

automatic transmission shifting

Since an automatic transmission system relies on the transmission control module to do the shifting, a bad transmission module will cause incorrect or unintended shifting. This can prove to be anything from an annoyance to causing a serious accident.

For instance, if your car shifts to neutral or any other gear that it normally wouldn’t shift into without warning, then your control module will likely need to be replaced. Otherwise, it will be very dangerous to continue driving.

Unless you have a manual override option in your vehicle (example: paddle shifters), you will need to get your car towed to a repair shop and have the module replaced.

#3 – Problems Shifting Into Higher Gears

high RPM tachometer

As you gradually increase speed, your transmission should correctly shift into higher gears at the correct time. When this doesn’t happen, you’ll notice that your engine’s RPM simply keeps increasing instead of slightly dropping an upshift occurs.

Because each gear has a maximum speed it can go to, you may never reach your intended speed if the faulty TCM refuses to shift to a higher gear.

#4 – Problems Downshifting

can't downshift

This is similar as above but in reverse order. Maybe you need to pass a slow moving vehicle and your transmission fails to shift into a lower gear when you mash the gas pedal to help you accelerate.

Or you’re cruising down the freeway and take an off-ramp, your transmission should gradually be going into lower gears as your speed decreases. At a stop, an automatic transmission should be in first gear so it’s ready to go when you need to start moving again.

If your transmission control module is bad, you may still be in a high gear as you’re coming to a stop. When it’s time to start moving again, you’re in a too high a gear for proper acceleration which may even prevent you from moving at all.

#5 – Stuck in the Same Gear

tire noise

This usually presents itself as being either stuck in neutral or first gear. The transmission simply will not shift and you either won’t be going anywhere (stuck in neutral) or you’ll be limited by the maximum speed of first gear.

#6 – Delayed Shifting

reasons and causes of car not accelerating

The speed of your vehicle relies on cycling to various gears at the appropriate timing. If you have a bad transmission control module, then it will cycle to next gear too slowly.

This will impact your acceleration, causing you to lose speed rather than picking up speed. When you approach a hill, the shifting performance will be even worse.

Worst case is when you’re attempting to pass a slower vehicle on a 2-lane road and your vehicle refuses to downshift immediately so you have more torque available to make a quick pass.

#7 – Poor Fuel Economy

poor gas mileage

Problems with your transmission system usually result in bad fuel economy. An automatic transmission is designed for optimal gear selection and timing to provide you with the best possible fuel economy.

If you have a transmission control module that’s bad and affects this timing, then your engine will end up working harder than usual. This means it will consume more fuel than usual, causing you to spend more money at the gas pump.

Replacement Cost

transmission control module replacement cost

The replacement cost of a transmission control module will be anywhere from $500 to $900. You can expect the parts costs to be around $450 to $700 while the labor costs will be around $50 to $200.

Of course, you can order a new TCM online and ask a mechanic what their hourly labor rates are. However, most of the cost for this replacement job goes toward the parts cost itself and it can vary greatly by car manufacturer. You can expect taxes and fees to be added to the total cost as well.

Repair Cost

Another option is to repair your TCM. The transmission control module repair cost will in almost all cases be lower than replacing with a new module. On average, expect to pay around $300 to repair your transmission control module.

While most TCM repair businesses will offer a warranty of some sort, it does pose a bit more risk if the repair is not done right.

Also, you may need to ship your bad TCM to a non-local location so if you can’t afford not having your vehicle for a few days, replacement would be the fastest method.

 
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Transmission Control Module

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