Ten Citroen Berlingo Key Fob That Will Actually Help You Live Better Citroen C4 Key Fob Replacement

The Citroen C4 Picasso is a small family car/compact SUV with several truly innovative features. It's spacious enough to hold five people, and is an excellent way to travel around town.

Sometimes, a keyfob may cease to function because of pairing issues. This problem may be resolved if instructions are followed. However, a professional with specific equipment is required for specific models of vehicles.

Dead coin battery

A dead battery is the most common problem affecting remote key fobs. But, it's an easy fix. You just need to replace the battery with a coin size. These batteries can be found at the local auto store and look like small silver coins. After replacing the battery, your car should be able of unlocking and lock.

Interference is another reason your key fob might not work. This can occur due to many factors, such as objects, weather conditions, or other transmitters on the same frequency. If this happens, it might be necessary to remove the key from the ignition and try again.

Another reason your key fob isn't working could be that the device is not programmed properly. This could happen if the key is exposed to water, or if it's not properly removed after replacing the battery. Usually, you can restore the car's programming by following the guidelines provided in the owner's manual. If you're unable to do this resolve the issue, you can contact an expert locksmith or dealer to assist you.

Water damage

Citroen C4 has a high degree of reliability, but it's still a complex machine with hundreds interconnected parts. It's not uncommon for a C4 from Citroen to have a breakdown. In some instances the issue can be easily resolved. In some cases you may have to call for assistance or visit an expert. The most frequent reasons the C4's key fob stop functioning are dead battery, water damage, signal interference and issues with the receiver module.

Water damage can be caused by sweat or moisture on the circuit board. This can cause the circuit to short, resulting in the battery draining or a dead key fob. To avoid this happening, try to keep your key fob safe from water or put it in a bag prior to using it.

You can also test the battery's voltage using an instrument. If the test is successful, you will get values between 12 and 13. If your battery isn't producing these values, then it could be defective. This means you'll have to change the battery.

The receiver module is not working properly.


A faulty receiver can cause the key fob to cease to function. Citroen owners frequently experience this issue because the key fob needs to send a signal to the door handle to unlock the vehicle and start it. If the key fob is unable to transmit this signal, it will not work and needs to be replaced. This is usually done at a dealer for cars or by a professional mechanic.

There are a variety of issues that could happen with your Citroen C4 key fob. It could be due to the battery of your coin-cell is dead, damage to the signal or water. The first step in troubleshooting is to test the key fob's batteries and to check for obvious signs of damage. This can be done by opening the keyfob, then removing its battery to get a better view.

If you discover a depleted battery Replace it with a new one. Make sure that the new battery has the same size, voltage, and specification. Make sure you connect the fob prior to replacing it.

Problematic 12 Volt Battery

Many modern vehicles come with key fobs that allow you to lock or unlock your vehicle remotely. These devices send a signal to the vehicle that controls the locks. They are powered by batteries. Batteries are susceptible to failure over time. The good news is that the replacement battery isn't expensive and easy to install. You can take the fob apart using a flat-bladed screwdriver, or you can find the instructions in your owner's manual.

When replacing the battery, make sure that you're using the same type and size as the original. Different batteries may differ in voltage, which can cause your fob to stop working or display a low-battery alert. Be sure to align the battery in such as to ensure that the plus and negative numbers are aligned with the initial orientation. This will ensure that the chip receives the correct signals. The issue could be due to a malfunctioning receiver module. In this case you should call your dealer for additional diagnostics and repairs.

Unpaired keys require programming

Car key remotes might stop working for a variety of reasons. The majority of these issues can be easily and quickly repaired. The most frequent cause is a dead coin battery, which can be replaced in a few minutes at many auto parts stores. It's important that the new battery be installed correctly. Metal retaining clips need to be tightened properly and the battery's contacts should be clean.

Another possibility is a malfunctioning receiver module or signal interference. If the key fob does not receive a strong signal from the receiver, it may not be able lock or unlock the doors, start the vehicle or operate the hands-free system. In these situations, you can reset the receiver by dismantling the battery for a few minutes.

Smart keys, which have an integrated security chip that disables the vehicle's immobiliser system, are more expensive than traditional metal keys and can cost as much as $500 to replace. To avoid The Key Lab 's a good idea to have at least two working keys for your C4. The key fob replacement is repaired and tested using new internal components before being sent to you.