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Citroen C4 Key Fob Replacement

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

Sometimes, citroen dispatch key fob replacement might cease to function because of pairing issues. If you follow the steps correctly, this problem can be resolved easily. For certain vehicles, a professional may require specialized tools.

Dead coin battery

The most common problem with remote key fobs is the battery being dead. It is an easy fix, however. All you have to do is replace the battery in the coin. They look like tiny silver coins, and can be purchased at your local auto shop. After you replace the battery, your car should be able to unlock and lock.

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

The fact that your key fob is not programmed could also be the cause of its inability to function. This can happen when the key is exposed to water, or if the battery isn't removed correctly after replacing the key. You can usually fix the programming by following the guidelines in the owner's manual. If you're not able to resolve the issue, you can contact an expert locksmith or dealer to help you.

Water damage

Citroen C4 has a high level of reliability, but it is still a complex machine with hundreds interconnected parts. Like every car it is likely to suffer an issue from time to the time. In some cases, the problem is easily fixed. In some instances you might need to contact a professional for assistance or visit an expert. The most frequent reasons for the C4 key fob not working are an unresponsive coin battery, damage to the water, signal interference and receiver module issues.

Water damage can result from sweat or moisture on the circuit board. The circuit could be prone to short, leading to an energy loss or dead key fob. To prevent this from happening, try to keep your key fob from water, or place it in a plastic bag before you use it.

A multimeter can be used to measure the voltage in your battery. A successful test will reveal values ranging from 12 to 13. If your battery doesn't produce these values, then it may be defective. This means that you will need to replace the battery.

Receiver module that is defective

A faulty receiver module can cause the key fob to cease working. Citroen owners are often faced with this issue, because the keyfob has to send an alert to the door handle in order to unlock and begin the vehicle. If the key fob fails to transmit this signal, it will not function and should be replaced. This can be done at a vehicle dealership or by an expert mechanic.

There are many different things that could go wrong with your Citroen C4 key fob. It could be due to a dead coin battery, signal interference, water damage or a defective electronic chip. To begin troubleshooting the issue, test the batteries of the key fob, and check for obvious signs. This can be done by opening the keyfob and removing its battery for a more thorough view.


If you spot a depleted battery, replace it with a fresh one. Make sure that the new battery is of the same voltage, size and specifications. Also, make sure the fob is fully attached prior to replacing it.

Problematic 12 Volt Battery

Most modern cars come with key fobs that let you to lock and unlock the vehicle from some distance. These devices transmit signals to the vehicle to control the locks. They are powered by batteries. Batteries can degrade over time. The good news is the replacement battery is affordable and easy to install. You can use a flat-blade screwdriver to pry the fob open or your owner's manual might contain instructions on how to do it.

Replace the battery with a new one that is the same type and size as the original. Different kinds of batteries have different voltages, which can cause the fob to stop working or display a low battery warning. Also, make sure to position the battery so that the plus and minus signs match the orientation of the original. This ensures that the chip is receiving right signals. The issue could be caused by a defective module. If this is the case you should consult your dealer for further assistance and repairs.

Keys that are not paired require programming

The car key remote can stop working due to many reasons. Fortunately, most of these issues can be corrected quickly and easily. Most often it is a dead battery that is the cause. This can be repaired in a matter of moments at most auto parts shops. It is essential that the new battery is installed correctly. Metal clips for retaining must be properly tightened and the contacts of the battery need to be cleaned.

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 might not be able to lock or unlock doors as well as start the car or operate the hands-free feature. In these situations, you should try to reset the receiver by disconnecting the battery for a few minutes.

Smart keys are more expensive and cost as high as $500 to replace. They come with a security chip that disables the immobiliser in your vehicle. It is recommended to have two keys working for your C4 in order to avoid these high costs. The replacement remote key fob is refurbished and tested with new internal components before being sent to you.

Website: https://www.autokeys-r-us.co.uk/citroen/