Ram Key Fob Battery Replacement – 5 Easy DIY Steps


Ram Key Fob Battery Replacement

Picture this – you’re coming out of the store, hands full, moving towards your car – you manage to click the unlock button on your Ram key fob only to realize the doors won’t open and lights won’t flash. What a bummer! Hey, no need to panic, the solution is probably a Ram key fob battery replacement. So, how do you go about it? 

If you’re like most people, calling your dealership or a locksmith is the next line of action as soon as your Ram keyless entry remote system fails to function. But who says you have to keep spending so much for a mere key fob battery replacement? That’s why we’re here.

We’ve gathered some Ram key fob tricks replacements for you in this blog. They are super easy and you can use them to get your key fob up and running again. You will also discover how to program your Ram key fob easily at home or anywhere else. 

Ready to find out? Let’s dive in! 

A Little About The Ram Key Fob  

It all started with the Dodge Ram, a single pickup developed by the Chrysler Corporation starting in 1980. That one model eventually grew into an entire line of Dodge trucks before breaking off into its own division.

Today, Ram Trucks are some of the most powerful, reliable, and respected trucks on the market.

Here is Everything You Need To Know About Ram Key Fobs.

Ram Key Fob Battery Replacement

Ram Vehicle Models

Rectangular2019 - PresentCheck on Amazon
Flip2015 - 2019Check on Amazon
Teardrop2010 - 2019Check on Amazon

How to Change the Battery in the “Rectangular” Ram Key Fob (2019-2023)

You don’t need the service of a dealership to change this battery. Just get your tools, follow these step-by-step guides and you will get yourself a new working Ram key fob soon.

What you will need:

  • 1x CR2450 battery
  • A flathead screwdriver
  • A precision or Philips head screwdriver

Step 1

Press the button on the side of the key fob and pull out the physical key

Step 2

The next thing is to remove the back part of the key fob (a thin layer of plastic). To do that, first, locate the two seams on the sides of the device.

Now insert your flathead screwdriver into one of these holes, giggle it, and pry upward. You will hear a pop on that side. Do this for the second hole and the key fob will open up. 

Step 3

Now that you have access to the old battery, it’s time to remove and replace it with a new one. To remove the battery, simply pull it down with your thumb. 

Step 4

Insert your new CR2450 battery into the right place and click it down. Ensure the positive side faces up.

Step 5

This is the last step. Line up the key fob back cover back and snap it into place. You might need to add a little bit of pressure here. Return the physical key and you’re done!

Nice work!


Ram 1500 Key Fob Battery Replacement (2019 - 2021)

How to Change the Battery in the “Flip” Ram Key Fob (2015-2019)

This process of replacing the version of this Ram key fob battery is a little bit different from what you’re used to. However, it’s pretty simple and straightforward if you can carefully follow through with this video. tutorial and step-by-step guides. 

What you will need:

  • 1x CR2032 battery
  • A precision screwdriver

Step 1

Press the button on the key fob to flip out the physical key.

Step 2

Now, look to the sides of the key fob, can you see a screw with an arrow pointing toward a lock? Good. Use a precision screwdriver to turn the screw down to the ‘unlock’ position.

Step 2

Just above the screw is a small lip, insert the same precision screwdriver to lift up the lip so that the component comes off. This is where your dead battery is housed.

Step 3 

Now remove the old battery and replace it with a new CR2032 and ensure the positive side is facing up.

Step 4

Return the component to the hole you removed it from and in the same position. Add a little pressure to push it in all the way down. Note that if it’s up a little bit it won’t close properly. 

Step 5

Finally, use your precision screwdriver to return the screw to the ‘lock’ position. Put your key back in and you’re good to go!


Ram Promaster Key Fob Battery Replacement (2015 - 2019)

How to Change the Battery in the “Teardrop” Ram Key Fob (2010-2019)

This guide shows you how you change the internal battery of this Ram key fob.  Scroll down to find the links to get the battery and tools you need for this particular replacement key fob battery on Amazon for just a couple of bucks.

What you will need:

  • 1x CR2032 battery
  • A precision screwdriver

Step 1

Look down to where the key ring is attached. You will notice an indentation and a corner right beside it. We’re going to use this corner to open up the key fob.

Step 2

Insert your flathead screwdriver into this corner, and wiggle it with a little pressure, while you twist. The device will open up and you can use your fingers to completely pull it apart.

Step 3

The next thing is to remove the component holding the buttons (with the circuit board under) and set it aside. Now, lift out the dead battery from the other cover. 

Step 4 

Insert your new CR2032 battery with the positive side facing down and click it into place.

Step 5

Finally, in reverse order, put the key fob parts together and boom, just like that, you’ve replaced your Ram key fob battery! 


Ram 3500 Key Fob Battery Replacement (2010 - 2019)

How To Program A Ram Key Fob Battery


Frequently Asked Questions About Ram Key Fob Battery

How long do Ram key batteries last?

A typical key fob battery lasts between 3 to 4 years and that includes a Ram key fob battery. The good thing is your key fob won’t stop working overnight. You will notice some warning signs that the battery is running out of juice. One of the major signs is reduced or weak signal strength. When this happens, it’s a clue to get ready to replace the battery ASAP. 

What battery goes in my Ram key?

The battery for your key depends on the type of key fob. Scroll up to the chart to see which one you have. The most common Ram key batteries are 3v coin batteries like the CR2450 and CR2032.

Where can I buy Ram key fob batteries?

For the best prices, you can buy the batteries on Amazon. Your battery will come right to your door—no need to shop around the hardware store. Here are all of the batteries used in Ram key fobs. Click on your battery to buy it on Amazon: CR2450 battery, CR2032 battery.

How much does it cost to replace a Ram car key?

Getting a new battery at a dealership will cost you significantly more than doing it yourself. If you only need a new battery, you can order it on Amazon for a few dollars and follow one of our tutorials to change it yourself. If you need to replace the entire key job it will be more expensive.

How do you change the battery in a 2018 Ram key fob?

It depends on what key fob type you have. Some years have many different key fobs in use at the same time—there is no one correct answer.

See our table above to find your specific device. If you have a 2018 Ram, you most likely are using the “Flip” or “Teardrop” key fob. Both of these take one CR2032 battery. Scroll up to see a full DIY video that will teach you to change the battery in these key fobs.

How do you change the battery in a Ram 1500 key fob?

Most Ram models use more than one key fob. Click on “1500” from the list at the top of this page to see which key fob type you have along with a full video tutorial.

Yes, it can. Your car engine will run without the key fob once the vehicle is started.  However, as soon as the engine is shut off. you will need your key fob to restart it.
Ram Key Fob Battery Replacement

How To Program A Ram Key Fob

In case your Ram key fob still doesn’t function after battery replacement, you may need to reprogram it. Here is how:

Step 1: Hit the start button of the engine without pressing the brakes and let it be in ‘RUN’ mode

Step 2: As soon as you stop hearing the chimes, press the UNLOCK button on the key fob and hold it down for 10 seconds. Now release it after this time.

Step 3: Push the ‘PANIC’ key and release it.

Step 4: Wait till you hear a chime. Then push the button you want to reprogram.

Step 5: To end the programming sequencing, turn off the ignition.

All done! That’s how you program or reprogram a Ram key fob.

Final Thoughts On Ram Key Fob Battery Replacement 

Now you know buying a new key fob isn’t always the first option when your Ram key fob stops working, and neither is calling a locksmith or car dealer. Oftentimes, the solution is simply a change of battery and your key fob will be as good as new again.

Feel free to follow the guides above when next you need an easy Ram key fob battery replacement DIY guide!

Learn More

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