How do you reprogram a transmission control module

When programming a Transmission Control Module on the Equinox, you will need to get the programming calibration number from the original module before programming the new module. If you have a Tech2Win then you should be able to check the part number that's in the old module. This way when SPS asks you which calibration you wish to use you will have it to enter in the software for programming. Please do not guess or choose a number that could be close, it needs to be exact.

Entering the wrong calibration could result in programming failure and shifting issues. Most of the time you do not need to do this on other models but on the Equinox its absolutely important. Hope this helps anyone in the future. Unfortunately you can not, because if the module is bricked then it mostly likely will result in SPS not communicating with the module any more.

It will just kick you out of the programming session at that point until it sees communication again. In cases like that your looking at a module replacement, but a used one will be fine to reprogram it to the original calibration.

I have heard others talk about this issue when using a J Box. The only time I have issues is when an aftermarket remanufactured transmission or TCM has been installed and they install a base programming for dyno testing or a failed "dongle" programming.

That is when the fun begins…. Right John. Having the correct transaxle is extremely important. There are notable differences in component build, especially between Gen 1 and Gen 2 transaxles. Gen 3 accommodates hybrid features with the need to maintain pressure at stops and is another story. There are some visual clues that may or may not assist in identifying Gen 1 from Gen 2 transaxles with the unit out of the vehicle….

Thats really great feed back John, i have only seen them on a blank or a reman module. Your correct you dont run into this alot, but ive noticed it on a couple of sessions ive had and sometimes the numbers do not match what the module is putting out.

I just thought ide mention it in case some one runs into this issue. It happened to me like 5 times now but its usually on blank modules and.

Everything You Need to Know About PCM Reflashing

Henry is this just for ? I have done many equinox trans controllers lots of shops replacing transmissions and have not run into this issue yet. Its Usually a normal GM program jobI just hate waiting for the trans fluid temp to warm up so you can complete the adaptions Thanks for the info. Good Morning Bill, to be honest i have not noted what years this is required for. I will start to notate it during my sessions and update you when i can.

I know what you mean about the temp, it is a pain. I've only seen them on very few blank or reman modules at the moment, but it doesnt really happen that often. When replacing used or salvages i dont really run into these issues. I just noticed.Once a transmission repair is completed on a vehicle, the last step to carry out is to reset the "check engine" light and error codes recorded in the vehicle's computer memory.

One option is to drive the vehicle to a shop and have the computer reset, using an OBD reader. The other option is to disconnect the vehicle's battery in order to reset any error codes, including a transmission error code. Disconnecting the battery and resetting the computer may be faster, but it may create potential problems. Disconnect the negative cable from the battery, using a wrench to loosen the lug nut on the terminal and pulling the cable off the post.

Pull the cable out of the way to eliminate any risk of the cable accidentally falling and touching the battery post. Disconnect the positive cable from the battery, using a wrench to loosen the lug nut on the terminal and pulling the cable off the post. Open the driver's side door, press and hold down the horn until the sound of the horn stops completely.

This will discharge the stored charge in the engine's control module capacitor and clear any error code from the control module's memory. Reconnect the positive cable to the positive terminal of the battery and tighten the lock nut, using a wrench, until it is hand-tight.

Reconnect the negative battery cable to the negative terminal of the battery and tighten the lock nut, using a wrench, until it is hand-tight. This article was written by the It Still Works team, copy edited and fact checked through a multi-point auditing system, in efforts to ensure our readers only receive the best information. To submit your questions or ideas, or to simply learn more about It Still Works, contact us. Step 1 Open the hood of the car. Step 2 Disconnect the negative cable from the battery, using a wrench to loosen the lug nut on the terminal and pulling the cable off the post.

Step 3 Disconnect the positive cable from the battery, using a wrench to loosen the lug nut on the terminal and pulling the cable off the post. Step 4 Open the driver's side door, press and hold down the horn until the sound of the horn stops completely. Step 5 Reconnect the positive cable to the positive terminal of the battery and tighten the lock nut, using a wrench, until it is hand-tight.

Warning Resetting the "check engine" light by disconnecting the battery can cause the radio to return to its factory settings. Make sure the security code is on hand to avoid being prevented from using it. References YouFixCars. About the Author This article was written by the It Still Works team, copy edited and fact checked through a multi-point auditing system, in efforts to ensure our readers only receive the best information.

Photo Credits autoradio 2 image by Nathalie P from Fotolia.Schedule Your Transmission Service. Like any other part in your vehicle, the transmission control module can experience problems. On this page, we at World Ford Pensacola will go over in detail what a transmission control module is, what it does, and the many signs to look out for when you think it may be experiencing a problem with your transmission.

Some of the most common signs of a bad transmission control module are as follows:. Do any of these things sound familiar? Not being able to shift correctly or shifting out of gear unexpectedly can cause you to lose control of your vehicle and cause an accident. Some of the sensors that work closely with the transmission control module are the transmission fluid temperature sensor, the turbine speed sensor, and the throttle position sensor.

Then, the transmission control module uses this information to calculate the appropriate gear shift. We at World Ford Pensacola are excited that you stopped by this page today to learn more about the signs of a bad transmission control module and hope you got all the information you were looking for.

Drivers in the areas of Pensacola, Crestview, and Fort Walton Beach can also stop by the service center on their way through town!

Although every reasonable effort has been made to ensure the accuracy of the information contained on this site, absolute accuracy cannot be guaranteed. This site, and all information and materials appearing on it, are presented to the user "as is" without warranty of any kind, either express or implied.

how do you reprogram a transmission control module

All vehicles are subject to prior sale. Price does not include applicable tax, title, and license charges. What's My Car Worth? Signs of a Bad Transmission Control Module.

Contact Us. Hours Sales Hours. Service Hours. Parts Hours.Transmission problems can be caused by a number of things. You should always try to perform an ECM reset first before ruling out its a bad transmission control module.

Some common signs that you have a bad transmission module are, a dramatic change in your fuel economy, constant transmission solenoid trouble code even after replacing them, constantly experiencing shift lock or random shifts and getting stuck in neutral when shifting.

Like with most vehicle problems, you need to start with the most simple issues that could cause your transmission to act up. A simple check to make sure your transmission fluid levels are okay could save you a lot of headaches. Other problems that can cause your transmission to act up can usually be identified with a few diagnostic tests. Diagnostic tests may also turn up a sticky valve problem, bad transmission speed sensor or a bad transmission control solenoid.

These are all problems that may have nothing to do with your T. To find out if you have any of the above transmission problems or any other transmission problems, you might want to consult your dealership or a transmission specialist.

The tests alone can be pretty easy to perform, but finding out exactly what the test is telling you may take a professional to help. Your transmission may not even be causing you any problems, it might just feel like it is. When an TCM fails to work properly, you may be getting a feeling that you have a transmission problem but in reality it could be your Transmission control module acting funky.

Whatever the case may be, if you feel like your transmission is acting up, be it an ECM problem or one of the many other transmission problems that can come about, waiting for a rainy day to get them fixed is not a good idea. Even worse, the longer you let a problem like a transmission that is acting up take a back seat to other priorities, the more likely you will have to spend more money to get it fixed as these module symptoms can end up costing you more at an auto repair shop.

We also encourage you to give us a call or email us about any questions you have concerning any of our products. Our trained professional staff will be happy to help.

Save my name, email, and website in this browser for the next time I comment. Leave a Reply Cancel Reply Your email address will not be published.Maintenance of automatic transmissions can be fiddly and is usually ignored based on the experience I have seen in a lot of used cars.

And the fixes can usually be quite expensive — especially if you need to get it serviced or rebuilt at as transmission specialist. But after you have done the preventative maintenance like flushing the fluid and changing the filter, sometimes it is true to the gear change timing can get jerky, or out of sync.

The process may be detailed in there. Some cars, like Mercedes Benz have a much more cryptic process than the more generic one detailed below. They require various procedures be done before and after to determine the steps of the process including depressing of brake pedal 3 times and other weird stuff.

It will work for many automatic transmissions, but certainly not all of them, so please do your research. So, to give your car the best chance of smoother gear changes, do this process exactly:.

This has worked and ironed out jerky gear changes in auto transmissions for me before on many occasions. Call me on so I can make you an offer on any car you have to sell today in Brisbane or surrounds.

Resetting Automatic Transmission Control Module. Did you read my last post about automatic transmission maintenance you can try? It gets forgotten about until something goes wrong. Probably not though, so check online forums.

how do you reprogram a transmission control module

So, to give your car the best chance of smoother gear changes, do this process exactly: Take battery terminals off and leave off for at least a few hours to completely drain charge from any capacitors. Cold start engine. With foot on the brake, move the transmission between park and lowest gear slowly — 3 times. Decelerate without braking, to a full stop. Let idle for a minute or so.

Stop vehicle and let sit for a minute or so. Again with foot on brake, move the transmission between park and lowest gear slowly — 3 times.

How to Reset the Engine Control Module With No Hassle!

Stop vehicle and let sit for another minute or so. When driving normally for next kms, avoid hard acceleration and braking. I hope it works for you too.Full Name.

Phone Number. Email Address. The first computers appeared in cars during the late s and early s. Circuit boards had specific roles like regulating fuel injection systems. By the s, on-board computers became more sophisticated. They could now control most of the electrical processes of the car, including climate controls, braking systems, and odometer. Today, vehicles are really like computers with wheels. Cars are upgradeable and customizable, giving the backyard mechanic incredible control over performance.

Modern vehicles have a set of computers commonly referred to as modules that communicate with sensors throughout the car. Manufacturers started phasing in CANs in the early s.

The powertrain control module PCM is one of the most important computers in your car, usually managing the engine and transmission, depending on the make of your vehicle. Then, the computer can adjust the ignition and fuel injection timing and the position of the camshafts and throttle. The TCM uses incoming sensor data to determine when the transmission needs to shift.

TCM functionality has improved over the years, adding input from cruise control, throttle and traction control system. This reduces gear hunting and wheel spin. By combining them, the PCM can better regulate their functions together.

For example, when the PCM changes gears, it can pull back the throttle to shift smoother. However, the two units operate independently.

Replace Your Transmission Control Module TCM

You can program one system without affecting the other. To confuse things a bit more, the term electronic control unit ECU is often used as a generic term for any built-in system that controls multiple electrical features in a car. The PCM senses and monitors more than factors in a car or truck. Here are a few of the most essential processes. Once warmed up, the PCM adjusts the ratio to decrease the fuel being pumped in.As you drive, the engine computers are continuously working to learn about the way you drive your vehicle and will adjust the way other modules perform.

Which enables your vehicle to run as efficiently as possible. Because your ECU learns about your driving habit constantly since it has the capacity to store tons of data including your trouble codes which is extremely useful information when diagnosing possible faults within your vehicle. Analyzing this personal data and learning how to reset your ECM are both essential during this diagnostic phase. If your check engine light comes on then chances are there may be an internal electrical issue within your vehicle that must be addressed.

Before replacing any parts you want to reset your ECM to ensure that part replacements are absolutely necessary. There are a few ways to reset your control modules.

One way is by disconnecting the battery cable for 2 to 3 minutes and waiting to see if the check engine light comes back on upon reconnecting the battery and start the car. Drive the car for at least 10 miles for the ecu to learn, if there is a problem with your vehicle then the check engine light will come back on and you can analyze the fault code that the ECM throws.

These codes will guide you towards the root of the problem and you can begin replacing parts to try to fix the issue. PS make sure you do not have any battery cable issues and have a backup power handy before you reset the ecu. Resetting your cars ecu can also be useful when modifications are done on the vehicle. In this instance, you want to reset your engine control modules manually through the fuse box. The fuse box is located on the passenger side next to the battery.

When your vehicle has properly warmed up then you want to turn your vehicle back off and unplug both fuses, cut power by disconnecting the battery. After a few minutes all the old data should be reset so plug the fuses back in and turn your vehicle back on.

how do you reprogram a transmission control module

Because the auto ECU is such a sensitive module, it is very important to reset the unit after modifications are installed or else the new modifications may conflict with the way the engine performed previously.

Resetting your cars ecu, should not be a hassle at all as there are many more ways to reset your ECU and there are many more reasons for doing so.

how do you reprogram a transmission control module

Resetting your car computer will do no harm to your vehicle and should always be done when any replacements are installed like a fuel filter, knock sensor even you when after work on your car air conditioning or any diagnostics are performed. Do not hesitate to check your repair manuals or the owners manual if you want to replace your vehicle ECM.

The 2 most common ways to reset your car computer is by either unplugging the battery or by resetting the fuse related to the engine control module.

Is it my Transmission Control Module or My ECM?

Disconnect the battery and Switch the ignition key to the on position for about 15 minutes should reset the ECU. Save my name, email, and website in this browser for the next time I comment. Auto News Will disconnecting battery reset ECU? Can a ECU be reset? Leave a Reply Cancel Reply Your email address will not be published.


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