How To Reset Transmission Control Module Chevy? Step By Step Guide

If you are annoyed by the same old transmission on your Chevy or want to get a new transmission, you must know how to reset the transmission control module of Chevy. The following process is great for an automatic transmission.

We have made a step-by-step process that you can follow for the easy resetting of the transmission. In this process, you will not need any tools. Whenever your Chevy is turning sluggish, this method can be useful.

If you just take a look at the method, we hope you will be able to do it yourself. And after doing it, you will feel a great change in your driving life.

Reset Transmission Control Module Chevy: Step by Step

Reset Transmission Control Module Chevy 1

1. Turning Key Position

In The first step of resetting the transmission control module, you have to go by the key position. Here, you have to turn the key position and keep it on 2.

Then you have to Check the dash lights of your car and Make sure that the dash lights are visible. If you can find them visible, then you are ready to go to the next step.

But remember, in the first step, you don’t need to push the accelerator, or neither you need to start the car. Please don’t do it at the start. After setting the key position, be careful.

Keep your ears open. You will listen to sounds. You will hear two-click sounds. And after that, the dash lights will be turned on. Even in this situation also, do not turn the engine on.

2. Pressing the Gas Pedal

If you are done with the key position and the dash lights, now it’s time to move to the next step. In this step, you are going to go through the gas pedal.

Now you have to move and press the gas pedal. Make sure to press the pedal down. If you push the accelerator pedal to the floor, it will help stimulate the kick-down switch.

In this step, activating the kick-down switch is everything you need. But don’t remove the force from the gas pedal and keep pushing it downwards.

3. Keep Waiting

Now, if you want to reset the transmission control module for your Chevy, you have to be a little patient. You cannot just expect faster shifting.

However, you have to wait for only 10 minutes in this step. As we have said before, don’t remove force from the acceleration pedal.

In this step, waiting is the only thing you have to do. The gas pedal will start to work for the resetting process in 10-12 seconds. So just push it and wait.

4. Turning the Key Off

After pushing the accelerator pedal for about 10-12 seconds, now you have to go ahead again and move to the key. But remember, do not release the accelerator pedal.

It would be best to remember that you have to do this whole step by keeping your feet on the accelerator pedal.

In the first step of the whole process, you had turned the keys to 2. Now, it’s time to go through them again and put them back to their earlier position.

In this step, all you need to do is turn the key off. With your hands, get the key to zero position. You may have a habit of turning the key to zero and removing the key. But be careful. In this step, you cannot do the same thing. You cannot remove the key.

After having the key back to its previous position, you have to leave the key there.

However, the technique of not removing the key doesn’t go with every model. But we recommend you not to remove the car key.

So, check the model of your car and find if it is required to remove the key or not. Nonetheless, in most of the Chevy models, the key is not required to remove.

5. Releasing Gas Pedal

After turning the key back to zero, you can now remove the force from the accelerator pedal.

Sometimes many people do not care and just remove the pedal even before turning the key off. But please don’t repeat the same mistake!

So, always make sure that you have kept your feet on the accelerator pedal during the earlier step. After completing the task of turning the key back to zero, you can remove the force from the gas pedal.

6. Wait Again

In this step, you have to again wait for some time. Doing this will really help you to make the reset process easier. After removing your feet from the accelerator pedal, you have to give your Chevy some rest.

You have to give your engine rest for about 2-2.5 minutes. But make sure that you have kept the key to the left in the ignition where the OFF position is. And don’t move the key. Just take a rest for some time, and you will be ready to move into the next part.

7. Ready, Steady, Go

Now we are in the last and final step of the process of resetting the transmission control module of Chevy. After doing everything with the Engine Control Unit process along with the Transmission Control Unit process.

In this step, all you have to do is just drive. The TCU process, and the ECU, will work cooperatively. They will try to understand your driving style. They will notice the driving pattern you have and will try to manage with that.

After doing everything with the TCU and ECU programming, now you have to take your car to a drive. You can go for a drive for 15 minutes to 20 minutes.

You should remember that now you are teaching your engine how you usually drive. So, do not try to race. You don’t race with your car every single time.

Where you are not racing your car every time, you should make sure to have a decent speed. The speed of you usually run your car.

And remember to make sure that the transmission you are selecting is smooth and normal. With this technique, you can easily shift your transmission and have something new in your car!


After reading this article, you know how to reset Transmission Control Module Chevy, and you will never get bored of the same transmission anymore. The process we have mentioned in this article is very easy to apply. All you need to do is keep the important notes in your mind and just do it yourself.

The process will not take more than 10 minutes to complete. Then, you just have to drive the car for 15 minutes, and boom! You are done resetting the transmission. If you want automatic transmission, then this can help you out. You can Comment below on how do you reset your transmission control module for the Chevy!

-our editorial board has reviewed this article and has been approved for publication according to our editorial policy.

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