Dodge Ram Key Fob Battery Replacement DIY
The Dodge Ram key fob comes with several convenient functions, one of which is remote access to your car. This explains why it can be frustrating when it doesn’t function properly or completely stops working.
The question is, what could be wrong when this happens? Our best guess is your key fob battery has run out of juice and is dying or already dead.
That said, here are a few reasons key fobs malfunction.
- The key fob battery is dead or low.
- There is dirt or moisture in the key fob.
- The key fob needs reprogramming or resetting.
- There are problems with the fuse box.
- There are worn-out buttons or contact points on the fob.
However, on this blog. we focus solely on helping you change your Dodge ram key fob battery with ease.
You will find both videos and written instructions, both of which explain the easy methods for changing your key fob batteries in practically every Dodge model.
For other Ram models, see our Ram key fob battery page.
| MODEL | FOB | YEARS | BATTERY | BUY BATTERY |
|---|---|---|---|---|
| 2500 | Rectangular | 2019, 2020, 2021 | CR2450 | Check on Amazon |
| 2500 | Teardrop | 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 | CR2032 | Check on Amazon |
How to Replace the Ram 2500 “Rectangular” Key Fob Battery (2019, 2020, 2021)
Scroll down to see a full video tutorial or read on for a step-by-step instructions to learn how to change your Dodge ram key fob battery.
What you will need:
- 1x CR2450 battery
- Flat-head screwdriver
How to replace the battery of Ram 2500 “Rectangular” key fob
Total Time: 4 minutes
1. Press silver button to release key
The first step is to press the silver button on the side of the key fob to release the mechanical key.
2. Remove back by opening bottom
Next, remove the back part. To do this, locate the openings on each side of the keyhole (at the bottom of the device). Seen that?
3. Separate key fob halves with screwdriver
Now, take a precision screwdriver and push it into the opening. Insert the tool into the slot and pry it upward to slightly open up the device.
Repeat this process for the slot on the other side. This will totally separate the two halves of the key fob.
Note that using a regular screwdriver may damage the plastic. If you don’t have a precision screwdriver, find the link below to buy one on Amazon at an affordable price.
4. Remove battery by sliding down
From here, remove the battery. To do this, simply slide it down with your fingers to raise up the other side. You can now take it out.
5. Insert CR2450 battery, positive up
Time for a battery replacement. Take a new battery (CR2450) and slide it into place, with the positive side up.
6. Reattach back, insert key. Done!
Lastly, click the back of the device back on, return the mechanical key, and your key fob is as good as new!
Excellent job, there! If you did it well, your key fob battery will now unlock and lock your car door seamlessly.
This is the battery for this Ram 2500 “Rectangular” key fob:
How to Replace the Ram 2500 “Teardrop” Key Fob Battery (2010-2019)
This key fob takes one CR2032 battery and is easy to change. Scroll down to see a full video tutorial or keep reading for a step by step instructions on your Dodge ram key fob battery replacement.
What you will need:
- 1x CR2032 battery
- Flat-head screwdriver
Step 1
Locate the indentation where the keyring is.
Step 2
Insert the flathead screwdriver into the corner of this indentation and twist gently or turn like a key to create a separation. Do this for both sides to completely separate the device.
Step 3
Now, carefully remove the rubber piece. Be careful not to rough handle the circuit board embedded in it.
Step 4
Using your fingers or a screwdriver, gently lift out the old battery from its housing.
Step 5
Take a brand new CR2032 battery and slide it into place. Ensure the positive side is facing down.
Step 6
Finally, set the rubber buttons back on top and click the front piece of plastic back to its place.
That was an easy one, wasn’t it?
Be sure to test your new battery: Lock and unlock your car doors to confirm your key fob is working properly.
This is the battery for this Ram 2500 “Teardrop” key fob:
Frequently Asked Questions
Can I drive a Ram without the key fob?
Yes, you can drive your Ram vehicle without using the key fob. However, this is only possible if you have the internal key. This key is hidden inside every Ram key fobs.
Its main purpose is to take over should you experience a dead or damaged dodge key fob battery. However, remote lock and unlock will no longer be possible.
How do you program a Ram key fob when it’s not working?
You may not be able to do this yourself. However, do not panic. Simply contact a dealership to help you order the key fob replacement. These people have been trained to program new key fobs and pair them with vehicles even without a working key.
How do I reset my Dodge Ram key fob?
Contact a Ram server to reprogram or reset your key fob. Oftentimes, you may only need to replace the battery so we advise that you try doing this first. Simply scroll up to find the step-by-step guide on Dodge ram key fob battery replacement DIY.
How do I start my Ram without a working key fob?
You will find a metal key in every Ram key fob. So, if your car key fob battery has run out of power, entry, and vehicle operation are still possible using this metal key.
How do I remote start my Ram trunk?
Your ram key fob has a remote start button with an “x2” symbol look. Pressing this button will remotely start your Ram trunk. It will give off a horn honk sound along with the headlights flashing right before the engine comes to life. This shows you’ve successfully activated the remote button start. Now slide into your driver’s seat and zoom off.
Bottom Line
Brake pedal failure is not the only reason your car may fail you. A dead key fob battery can make you late for work, too. To avoid getting stranded in the future, learn the DIY for your Dodge ram key fob battery replacement on time. You don’t need a dealership to get it done.
If you found this guide helpful, let us know in the comments section. If you couldn’t find your Dodge ram key fob here, feel free to mention the one you’d like us to add. Good luck!