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Citroen C4 Key Fob Replacement

The Citroen C4 Picasso, a small family vehicle/compact SUV is packed with truly innovative features. It's large enough for five people, and is a great way to travel around town.

Sometimes, a key fob stops working due to pairing issues. If you follow the steps properly, this issue can be fixed quickly. For certain vehicles, a professional may be required to use specialized tools.

Dead coin battery

The most frequent issue with remote key fobs is an inactive battery. It is an easy fix, however. You just need to replace the battery that is coin-sized. The batteries look like small silver coins and can be found at your local auto shop. After you've replaced the battery, you will be capable of locking and unlocking your vehicle.

Another reason why your key fob isn't working is due to interference. This can be caused by numerous factors, like weather conditions, objects, or other transmitters on the same frequency. If this happens, it may be necessary for you to unplug the ignition key and try again.

Another reason why your key fob won't work may be that it is not programmed properly. This can occur when the key has been exposed to water, or if the battery has not been removed properly after the key is replaced. It is usually possible to restore the programming by following the instructions in the owner's manual. If you are unable do this, ask a professional locksmith or dealer to help you.

Water damage

Citroen C4 has a high level of reliability, yet it's still a complex machine that has hundreds of interconnected parts. Like every car it can experience occasional breakdowns from time moment. In some instances it is easy to get the issue repaired. In other cases you may need to visit a mechanic or call for assistance. The most frequent reasons for the C4 key fob not functioning are a dead coin battery damage to the water, signal interference and receiver module problems.


Water damage can result from sweat or moisture on the circuit board. This can cause the circuit to become shorted, which can lead to a battery drain or dead key fob. To avoid this happening, make sure to keep your key fob out from water or put it in a plastic bag prior to using it.

You can also test the battery's voltage using a multimeter. A successful test will show numbers between 12 and 13. If your battery isn't producing these numbers, it could be defective. This means that you'll need to replace the battery.

A malfunctioning receiver module

A defective receiver module could cause the key fob to cease working. This is a common issue for Citroen owners, since the key fob has to send a signal through the door handle to unlock and begin the vehicle. The key fob won't function if it is unable to send the signal. It is required to be replaced. This is typically done by a mechanic or a dealer.

Citroen C4 keys can malfunction for a variety. This includes a dead coin battery, signal interference, water damage or a malfunctioning electronic chip. To begin troubleshooting the issue, test the key fob batteries and look for obvious indications. You can do this by opening the key fob and removing the battery to get a better view.

If you discover a depleted battery Replace it with a fresh one. Make sure that the new battery has the same voltage, size, and specification. Also, make sure citroen berlingo car keys is properly attached prior to replacing it.

A faulty 12 volt battery

A lot of newer vehicles have key fobs that let you to lock or unlock the vehicle remotely. These devices transmit a signal to the car to control the locks. They use battery power to operate. However, batteries can fail over time. The good news is the replacement battery is inexpensive and simple to install. You can use a flat-blade screwdriver to open the fob or your owner's guide may contain instructions on how to do it.

Replace the battery with a battery of the same type and size as the original. Different batteries may differ in voltage, which can cause your device to stop working or display a low battery warning. Also, make sure to position the battery in a way that the plus and minus signs coincide with the orientation of the original. This will ensure that the chip receives the right signals. Alternatively, the problem may result from a malfunctioning receiver module. If this is the case it is recommended to contact your dealer for additional diagnostics and repairs.

Keys that are not paired need programming

Car key remotes may cease to function due to various reasons. Fortunately, most of these issues can be resolved quickly and easily. The most frequent cause is a dead coin battery which can be replaced in just a few minutes at many auto parts stores. However, it is important to make sure that the new battery is correctly installed. Metal retaining clips must be tightened correctly and the battery contacts should be clean.

A faulty receiver module, or signal interference, is a different possibility. If the key fob fails to receive a strong signal from the receiver it may not be able unlock or lock the doors as well as start the vehicle or operate the hands free system. In these instances you can reset the receiver by taking off the battery for several minutes.

Smart keys are more expensive and cost as high as $500 to replace. They have an electronic security device that disables the immobiliser on your vehicle. To avoid these costly costs it's best to have at minimum two working keys for your C4. This replacement remote key fob case is updated with brand new internal parts and tested before delivering to you.

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