Jeep Key Fob Battery Replacement

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Remove The Jeep Key Fob Battery From Its Housing

Key Fob Battery Replacement | How To | 2021 Jeep Cherokee

As you disassemble the key fob, you will see that it consists of five parts, as follows:

  • The first half of the housing that has holes for the keypad and the key attached to it
  • The second half of the housing that holds the battery in place

Before you remove the battery from its place, I recommend making a mental note of the polarity of the old battery so that you are not lost when you put in the replacement. Additionally, pay attention to the circuit board. If its tiny components are loose or falling out, make necessary adjustments to put it back in its original position.

Lastly, take care not to scratch or bend the metal electrical contacts if using a screwdriver to pry out the old battery.

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Look For The Seam Where The Halves Of The Fob Come Together

Alaina DiGiacomo/

Most key fobs open in a clamshell fashion, where two halves snap together. There will be a seam where you can split the two halvessometimes there will even be a notch at that seam. If your car still requires you to put the key in the ignition switch, make sure you dont hang anything from that keyring other than the fob the weight of your house keys can wear down the ignition cylinder, which is potentially hazardous.

Broken Button Or Keys In The Fob

Is there any key broken or miss-aligned in your key fob? it can happen anytime when the key fob falls from your hand. If you find a tiny crack or a minor scratch on the fob, then that may be the reason why it is not working.

One of my friends saw that the battery was covered by some plastic and the cover was broken off.

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Jeep Wrangler Key Fob Battery

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How To Change The Battery In A Jeep Key Fob

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Your Jeeps trusted features and engineering design exist to ensure that each adventure is memorable. However, it is best to perform frequent maintenance to ensure that your Jeep is up and running. One of the reasons why your key fob may not function properly is a low battery. When this happens, the key fob battery might require an immediate replacement.

Here is a step-by-step guide on how you change the battery in a jeep key fob.

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What Happens If Your Car Key Battery Dies

The key fob battery is an integral part of a car key. The battery powers the key and operates the remote function. With push-to-start vehicles, the key is necessary to power up the car in order to use it. As such, a dead battery can prevent your car from starting.

If your battery dies, you can change it. You can do this yourself or reach out to a professional.

Most smart keys are equipped with an emergency blade . An emergency blade is a mechanical key placed inside the fob. It’s used to open the drivers’ side door in an emergency .

Battery For Key Fob Jeep Cherokee

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What Battery Does A Jeep Renegade Key Need

A CR2032 3v lithium battery powers a Jeep Renegade key fob. You can purchase this battery on , eBay, Walmart, and Target. Ensure their battery size and voltage match your specific needs. It is also best to examine their authenticity since there are numerous imitations on the market. You can test if its fake by using a voltage meter. Authentic CR2032 batteries should output 3 volts. If the battery outputs less than 3 volts, then its probably a counterfeit.

Jeep Key Fob Battery: Everything You Need To Know

Key Fob Battery Replacement | How To | 2020 Jeep Cherokee

If you need to press the buttons on your Jeep key fob several times or it isnt working at all, the problem could be your key fob battery. Jeep key fob batteries usually last between three and four years under normal use.

Replacement fobs can get expensive and need to be programmed. Replacing the Jeep key fob battery can be simple and a lot more affordable than replacing the entire key fob.

What kind of battery goes in a Jeep key fob?

Key fobs use small coin-type batteries. The number of your key fob battery will be printed on it. One common key fob battery is CR 2032. Depending on your Jeep model and year, your key fob could use a CR 2032, CR 2025, or a CR 2450 battery.

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Change Battery In Jeep Cherokee Key Fob

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How Do You Change A Battery In A Key Fob For A Jeep Renegade

Here is a quick guide on changing the battery in your key fob for a Jeep Renegade 2015-2021 model.

1. Flip over your key fob and locate the small hole on the back of the case. This is where youll insert your fingernail to release the mechanical key.

2. Right next to the keyhole is a small slot where you can pry open the case using a flathead screwdriver. Be gentle when doing this so as not to break anything.

3. Remove the key fob casing to see the battery compartment and other electronics.

4. Use a small screwdriver to remove the battery from its casing.

5. Insert the new battery ensure the positive and negative sides match the terminals before pushing it down firmly into the compartment.

6. Replace the case cover with an excellent snap to secure it. Dont forget to return the mechanical key to its hiding spot.

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Jeep Grand Cherokee Key Fob Battery Replacement

If you want to replace the key fob battery for a 2015 to 2020 Jeep Grand Cherokee, you will need a small flathead screwdriver to pry apart the two halves of the key fob. You will also need a replacement coin cell, also known as the watch or button.

Once you have the screwdriver and the coin cell, you should follow these steps to replace the battery:

  • Slide the black plastic switch on the front of the key fob near the bottom to release the metal ignition key.
  • Pull the metal ignition key from the fob and place it in a safe place.
  • Insert the blade of the small flathead screwdriver into the slot where the metal ignition key used to be and gently pry apart the two halves of the fob.
  • Pull apart the two halves of the key fob. This will reveal the green plastic remote control circuit board and the battery holder inside the rear cover.
  • Remove the old battery out of the rear cover using your fingernail, or you can use the small flathead screwdriver.
  • The rear cover of the key fob is marked with the words CR2032 + Side down.
  • Insert the new CR2032 3-volt battery with the positive + side facing down into the rear cover of the key fob.
  • Line up the two halves of the fob and gently snap them back together.
  • Ensure that the two halves of the fob are flush together all the way around at every edge.
  • Slide the metal ignition key back into the slot on the bottom of the fob until it clicks securely into place.
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    What Kind Of Batteries Do Jeep Key Fobs Take

    2014 Jeep Cherokee Key Fob Battery

    A Jeep key fob takes a CR2032 3-volt lithium battery, especially if built between 2015 and 2021. But this depends on your Jeep model. If you arent sure what type of battery your Jeep key fob uses, here are ways you can do to find it out:

    • Open the battery cover on the back of your key fob and look at the battery type it needs.
    • Check your owners manual for the exact information about your key fob. You may check a copy of it online if you misplaced its hard copy.
    • Ask your dealership about the needed battery information of your specific key fob, or seek a mechanic to figure it out.

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    Pop The Jeep Key Fob Open With A Screwdriver

    Since it is made of plastic that snaps together, you will need a flathead screwdriver to open your key fob and access the battery. To do this, insert the screwdriver tip into the key fobs seam . Some Jeep owners prefer to use a pry bar tool.

    For some Jeep models like the Jeep Renegade, it is necessary to remove the pull-out metal ignition key first before popping the key fob open. Do this by locating the metal switch on the key fob and sliding it over to release the metal ignition backup. Once pulled out, set the metal ignition key aside in a safe place.

    Can I Replace The Battery In My Key Fob

    Yes, you can. DIY is quick, simple, and cheap. To do this, pry apart the key fob and replace the coin battery inside with a new one. If you are not mechanically inclined you can always call Keyway Locksmith.

    When changing the battery use caution. The plastic tabs that hold the fob together could break easily. Be careful not to break them in the process.

    When replacing the battery, notice the way it’s installed. It’s important to install the new battery the same way, or it won’t work.

    If you changed the battery and it still doesn’t work, then the key needs further examination by a professional.

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    Wrong Key Fob Programming

    Key fobs are small, portable, and fantastic devices that allow owners to control a vehicle remotely. A fob has two main functions: it must be able to store a security code that provides access to the jeep, and it must transmit that code to the vehicle to unlock the doors.

    So, the key fob is all about programming. If something is wrong with the security code of the vehicle, the whole key fob system is abortive.

    Apply Pressure On The Screwdriver As You Pry It Open

    Jeep Key Fob battery replacement Compass / Renegade / Liberty / Cherokee / Grand Cherokee

    Depending on how delicately you can do this step, you can use the screwdriver tip on its own or with the help of soft material to reduce the risk of damaging the plastic. Position the screwdriver tip at the seam of your Jeep key fob. And with just the right amount of force, pry it open but be careful not to damage the key fobs plastic parts. Otherwise, you will not be able to put it back together later.

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    Use It According To The User Guide

    User manuals are essential parts of any electronic device like jeep key fobs that help users to understand how to use the product or how it works.

    When you dont understand the key fobs behavior, you should read the user guide book or see an adequate tutorial about that. This will help you to detect any key fob problems and ensure a quality user experience.

    What Size Battery Do I Need For My Key Fob

    Most car keys take CR2032 and CR2025 3-Volt batteries, but that doesnt mean they fit every key fob. Different cars take different batteries. You can find the exact type in the owner’s manual.

    If the owner’s manual is not handy, you can always check your current key fob. Then replace it with the exact type.

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    Signs Your Key Fob Needs A Battery Replacement

    The transmitter loses its range when the fob battery becomes weaker. If you notice you have to be a lot closer to your car than usual, that’s a sign that your range is decreasing. This is an indicator to change your battery. Other signals include:

    • If your key is not giving out any signal
    • If you have to press the button repeatedly before your vehicle accepts the signal
    • If your key remote is inconsistent or unreliable

    Do Jeep Renegades Break Down A Lot


    According to Off Roadable, people have been reporting that their Renegade models are doing just fine. Some drivers have reached between 80,000 to 90,000 miles, while others have made it over 150,000 miles. However, the Jeep Renegade seems to be free of major mechanical problems for the most part.

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    How To Replace The Battery On A Jeep Key Fob

    You’ll first need to acquire a CR2032 battery, then, you’ll find that learning how to replace the battery on a Jeep key fob. Then, just follow these steps for the comfort of your Green Bay-area home:

    • Use a flathead screwdriver to open the Jeep key fob. There should be a seam close to the keyring mount.

    • Gently pry apart the key fob, exposing the circuit board and the keypad.

    • Remove the key fob battery, .

    • Reassemble the key fob one piece at a time. Now, you’ve completed a Jeep key battery replacement!

    If you need to program the Jeep key fob, start by getting inside the car and closing all the doors. Then, put the keys in the “off” position in the ignition, open the driver’s door, and press down the “lock” button. Next, turn the key to the “on” position in the ignition and hold it for five seconds. You should now be able to remove your keys and have a properly programmed key fob.

    How Long Does A Battery Last In A Key Fob

    When purchasing a brand new Jeep Wrangler, you will get a pair of key fob with brand new batteries. There is no definite time for the battery to last, but my rough estimate is around 3 to 4 years. It all depends on how many times you use the key fob every day, contributing to battery usage.

    However, since the key fob usually comes in pair, I suggest that you use the two alternately to save battery power for a while. But if worse comes to worst, then changing the key fobs battery will be needed once the battery will be finish. I tell you, it is an easy thing to do that I can say that even teenagers can do it.

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    The Problem With The Door Lock System

    when we say only the faulty key fob is responsible for each problem, that would be one-sided. Sometimes, you can find key fob issues if the door lock system or panoramic sunroof is faulty.

    When every feature in the key fob is working pretty well without the lock system, maybe the key fob is okay, and the problem is arising from the door.

    Reset Jeep Key Fob Programming

    Key Fob Battery Replacement | How To | 2020 Jeep Compass

    A common problem with older fobs is that their programming has become corrupted over time so that the buttons arent being recognized and/or processed correctly. You can simply solve this problem by resetting your jeep key fob.

    but resetting key fobs in all the jeeps is not equal, and it varies from jeep wrangler to Grand Cherokee. I have provided a video about the jeep wrangler resetting process that might help you.

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    Simple Steps To Change The Battery In Your Renegades Keyless Entry Remote

    A button cell battery installed inside the your keyless entry remote. Move the key out of the way if it is in the keyless entry remote.

    Gently try to open your fob with pry tools. Replace 1 CR2032 battery with flat head screwdriver.

    Replace old battery with fresh one CR2032. Be sure to connect the battery the right way around in a circuit. Your remote key fob will not work if you put battery wrong way.

    Before assembling fobs case, check that all functions works by testing buttons on circuit board.

    At this point squeeze fobs back cover together. Line your shell two halves together and put it together by hands from top to bottom. If your key fob shell firmly closed, we done. If not, repeat the last step.

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    Jeep Grand Cherokee Fob Battery

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