Why Does My Nissan Key Fob Not Work?

Even if the battery in your Nissan fob is still good, there may be times when the car doesn’t recognize it. The battery is usually either dead or low, but your Nissan’s remote key functions could not be working properly. Reach out to our service department and we’ll be pleased to help if changing the battery doesn’t work.

Nissan Key Fob Does Not Function Following Battery Change

A key fob is a little remote control that fits in your hand and is used to lock and unlock the doors, trunk, and sunroof of your car. Keyless entry systems, which enable the driver to enter and start the car without ever touching the key fob, are standard on many new automobiles.

These systems talk to the car’s computer system via a tiny transmitter that is housed inside the key fob. So why, following a battery swap, does my Nissan key fob not function?

When a key fob stops working after a battery change, the most frequent cause is that it has to be reset. Other reasons could have resulted from changing the battery, such as broken connections and button misalignment.


Imagine that after replacing the Nissan key fob’s battery, it abruptly ceased functioning.

This is because your key needs to be reset and reprogrammed to function with the car. Although this is the most typical cause, other possibilities include broken key fobs and problems with your car.

You can perform the programming yourself onboard older models of vehicles. To get this done, however, you might need to go to your locksmith or the dealership if the vehicle is keyless.

You can quickly and easily replace the battery in your key fob at home if it recently died and you need to.

It is that simple, but if you seek professional assistance, the cost to replace it could reach $50.

Understanding your key fob is simple, and by handling it yourself rather than having a professional do it, you can save hundreds of dollars.

Battery for a key fob

Failure of the battery is one of the frequent reasons why a key fob stops functioning. There is no way to utilize it with a weak battery. Verify that the battery is the only issue. Change the outdated battery with a fresh one. Make absolutely certain that the battery in question is the one you have. To be certain, look up its specs in the owner’s manual.

Unstable buttons

Another possibility is that the buttons themselves are the problem. Most remote controls include rubberized buttons, which can become loose or worn out over time. A

If you see that one or more of the buttons won’t pop out properly or are stuck, take apart the casing, take the buttons out, clean them, and then reassemble the remote. You might need to purchase a new remote fob if this still doesn’t work.

Key Learnings Your remote key fob experiences a lot of wear and tear, which may eventually loosen or break some of the internal contacts, leading to a possible malfunction even after the battery has been changed.


After changing the batteries in a key, there is typically no need for any re-programming. Just make sure you have a high-quality battery that is the right type and is oriented correctly. The type of battery (CR2032) and battery orientation (which side goes on top/bottom) are also marked within the key after it is opened.

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Why does my Nissan claim that my key ID is wrong?

Although automotive technology is constantly evolving, there are still issues with this cutting-edge technology. Nissan owners may have encountered a problem where their car reports that the key ID is wrong. What’s the deal with this? We have answers for you after doing study on this issue.

The key ID on your keys not being recognized by a Nissan can be attributed to three primary factors:

  • The key fob’s batteries might be dead. By changing the battery, you can resolve this.
  • The key fob can sustain damage. You might need to change the key fob as a result of this.
  • Perhaps the key fob hasn’t been connected to the car yet. If necessary, you can program the key fob yourself.

Don’t worry if you still have some concerns about resolving this problem. This post will examine the key ID error message that your Nissan is reporting as well as your options for fixing it. We’ll also look into other relevant issues, such how to reset a Nissan key fob. Read on to discover more.

Let us first state that we hope you find the links provided here beneficial before you continue reading. We may receive a commission if you buy something after clicking on one of the links on this page, so thank you!

My Nissan key fob needs to be reset.

Reprogramming Nissan Intelligent Key Fob Do not turn the car on after inserting the key. Take the key out and carry out this action around six more times. Remember that success might not come for up to ten attempts. When the Nissan Intelligent Key is accepted by the vehicle, the hazard lights will flash twice.

Why won’t my key fob work with my car?

The most frequent cause of a keyless entry system failing to send signals is a faulty battery in the key fob. Use the extra key fob to unlock the car and turn on the ignition if one is available.

Use the key that is included in the spare fob if it is not available to unlock the door. Check your owner’s manual for information on how to start your automobile when the key fob malfunctions.

Why did my key fob suddenly stop working?

As you may think, the battery is the main cause of failure for an electric key fob. Although you might need a ride to get to the store to get a replacement fob battery, this is a reasonably simple problem to fix.

Why won’t my key fob function when I change the battery?

The most typical fix for a broken key fob is a battery replacement. However, replacing the batteries may not always be the best course of action. Therefore, your key fob might not operate even after a battery change for various reasons.

Handling the key fob circuit carefully is the first step in fixing the issue. Do not use your bare hands to contact the key fob circuit if you are not familiar with handling electronics. Call a professional right away to quickly diagnose and resolve the issue.

The following are additional causes for the key FOB’s malfunction:

Over time, a car remote’s button will inevitably wear out. When the button is depressed, the contacts notify the circuit board to carry out commands. The contacts may become separated from the buttons as they deteriorate. Pressing the buttons repeatedly is one of the greatest techniques to identify worn-out car buttons on car remotes.

Determine which of the following circumstances applies:

  • Only certain button presses, or all button presses, function.
  • One button operates while the other does not.

There is a problem with the automobile remote if the plastic that covers the key fob has also cracked. Open the key fob using basic tools, then inspect it for damaged contacts or crooked buttons. In the event that doesn’t work, get a new automobile key fob.

Your car remote might not function after changing the battery for another cause, which is the lock. Look for these indications to determine whether the lock or auto door has become faulty.

  • Manual or key operation of the lock does not cause it to unlock or lock.
  • Some door locks can be opened remotely, but not all.
  • Without the doors opening, a signal has been transmitted, as indicated by the indicator light flashing.
  • Door lock operates partially or not at all.

The automobile key may become damaged as a result of things like water, scratches, etc. The key fob may be damaged if it stops functioning right away after being trodden on, submerged in water, or opened. Other indicators to look out for include:

  • Whether a backup key functions
  • The buttons are stationary.
  • The Key is clearly damaged.

A damaged key can be replaced with a new car key. The key fob can be reprogrammed with assistance from the Colorado Springs Locksmith specialists.

There is a good likelihood that the battery change reset a car remote. When certain buttons are pressed, the key fob can also be reset. Therefore, the failure of many key fobs is a good indication that the automobile key remote has been reset. There are two indicators to watch out for:

  • No spare remotes operate.
  • car remote completely quits functioning

Can my Nissan be started without a key fob?

However, if the Nissan key fob battery alone needs to be replaced, your Nissan might still start even with a dead key fob battery: Put the key fob in the port if your Nissan car, truck, or SUV has one, then push the START/STOP button while tapping the clutch or brake pedal.

Can AutoZone repair key fobs?

AutoZone does offer key duplication services for cars made by Toyota, Ford, Honda, Dodge, GMC, Mercedes, Kia, and other manufacturers. These services include key duplication, transponder keys, key fobs, and vehicle key blanks.

Why won’t my automobile accept my key?

The key fob won’t be recognized by your car because the remote’s battery is dead. The actual remote is damaged or is no longer programmed to your vehicle. Low automobile battery voltage. The keyless entry system is broken.

How do I connect my car’s key fob to it?

Press and hold the “LOCK” and “UNLOCK” buttons on the key fob simultaneously until the locks cycle one more to program your keyless-entry remote.

Reversing step 6 by closing the door before entering the key may help if the above method doesn’t work because some Toyotas have a different approach.

Will a dead key fob prevent a car from starting?

If your key fob isn’t detected inside the car, the keyless entry system won’t start the engine. The system probably won’t be able to tell when the key fob is inside the car if it has a dead battery, which will prevent the engine from starting. By pressing down while placing the fob on the start engine button, you can get past this problem. Even though this should enable your engine to start, it is still beneficial to change the fob batteries whenever you have the opportunity.

How long does the battery in a Nissan key fob last?

The battery in your car’s fob or remote will eventually need to be replaced, just like any other battery. A car fob battery should typically last three to four years. In addition, there are several indicators that will let you know when your fob battery is running low.

Signal strength loss is the initial symptom. The majority of contemporary fobs can communicate with your car up to 50 feet away. But as your battery ages, the signal’s intensity and range will decline. Another indication that your key fob battery needs to be changed is that you are having to push buttons to lock and unlock doors repeatedly.

How is a key fob programmed once the battery has been changed?

Turn the key back to the “Off” position while holding down the lock button on the fob. At least three times, go through this process, finishing with the key in the “On” position.

This notifies the electronic control modules in your automobile that the signal is coming from your key in the ignition, and it then saves the information.