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15 Things You Don't Know About Citroen Berlingo Key Fob
Citroen C4 Key Fob Replacement

The Citroen C4 Picasso, a compact SUV that is small for a family that is truly innovative, comes with some great features. It's large enough for five people, and is an excellent way to get around town.

Sometimes, a keyfob can stop working because of pairing issues. This issue can be resolved if instructions are followed properly. For certain vehicles, a technician will be required with special tools.

Dead coin battery

A dead battery is the most frequent problem affecting remote key fobs. It's an easy fix however. All you need to do is replace the battery on your coin. The batteries are available at your local auto shop and resemble small silver coins. After you replace the battery, your car should be able to unlock and lock.

Another reason why your key fob won't work is because of interference. This can be caused by various factors, such as objects, weather conditions, or other transmitters that operate on the same frequency. If this occurs it is possible to take out the ignition key and try again.

Deprogramming your key fob could be the reason for its inability to function. This could occur if the key has been exposed to water or the battery has not been removed correctly after the key is replaced. citroen c1 key fob can usually repair the programming by following the instructions in the owner's manual. If you're not able to do this, you can seek out a professional locksmith or dealer to help you.

Water damage

Citroen C4 has a high level of reliability, but it's still a complex machine that has hundreds of interconnected parts. It's not uncommon for a Citroen C4 to suffer a breakdown. In certain instances, the issue is fixable. In other cases it is necessary to call for help or see an expert. The most frequent causes of the C4 key fob not functioning are an unresponsive coin battery, signals interference, water damage and receiver module malfunctions.

Water damage can result from sweat or moisture on the key fob's circuit board. The circuit could be tripped, resulting in a dead keyfob or battery drain. To prevent this from happening, make sure to keep your key fob safe from the water or put it in a bag before you use it.

You can also check the voltage of your battery by using an instrument. A successful test will reveal numbers between 12 and 13. If your battery isn't producing these values, it may be defective. This means you'll have to change the battery.

Receiver module that is defective

A faulty receiver module can cause the key fob to stop working. Citroen owners frequently experience this issue, since the keyfob must send an alert to the door handle to unlock and begin the vehicle. The key fob won't function if it is unable to transmit the signal. It must be replaced. This can be performed at a car dealership or by a professional mechanic.

There are many different things that could go wrong 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 battery of the key fob and to check for obvious evidence of damage. This can be done by opening the key fob and then removing the battery to get a better view.

Replace the battery if depleted. Make sure that the new battery has the same voltage, size, and specifications. Make sure you snap the fob together before replacing it.

The battery is defective at 12 volts.

Many modern vehicles come with key fobs that let you to lock or unlock your vehicle remotely. These devices send signals to the car to control the locks and run on battery power. However, the batteries could fail over time. The good news is that the replacement battery isn't expensive and easy to install. You can pry the fob off using a flat-bladed screwdriver, or you could find instructions in your owner's handbook.


Replace the battery by using a different one of the same size and type as the original. Different batteries can have different voltages which can cause your device to stop working or display a low-battery warning. Also, remember to orient the battery in a way that the plus and minus marks coincide with the orientation of the original. This will ensure that the chip is receiving the proper signals. In other cases, the issue could be due to a malfunctioning receiver module. In this scenario, you should contact your dealer for additional diagnostics and repairs.

Unpaired key requiring changing the program

Car key remotes might not function for many reasons. Fortunately, most of these problems can be resolved quickly and easily. Most often, a dead coin-cell battery is the cause. This can be easily replaced in just a few seconds at most auto parts shops. It is important that the new battery be installed correctly. Metal retaining clips must be tightened properly and the battery contacts should be clean.

A faulty receiver module, or signal interference is a second possibility. If the key fob is not receiving a sufficient signal from the receiver, it could not lock or unlock doors, start the car or operate the hands-free feature. In these instances you can reset the receiver by disconnection of the battery for a couple of minutes.

Smart keys are more expensive and cost as high as $500 to replace. They are equipped with an electronic security device that disables the standard immobiliser in your vehicle. To avoid the high cost it's a good idea to have at least two working keys for your C4. This key fob replacement is refurbished with new internal parts and tested before sending to you.