Citroen C4 Key Fob Replacement
The Citroen C4 Picasso is a small family car/compact SUV with some truly innovative features. It's spacious enough for five people, and is a great vehicle to get around town.
Sometimes the key fob stops functioning due to pairing issues. If you follow the instructions correctly, this problem can be easily fixed. For certain vehicles, a professional will be required to use specialized tools.
Dead coin battery
A dead battery is the most frequent issue that affects remote key fobs. It's an easy fix, however. You only need to replace the battery in the shape of a coin. These batteries are available at your local auto shop and resemble small silver coins. After citroen car key cutting 've replaced the battery, then you'll be in a position to lock and unlock your vehicle.
Interference is another reason your key fob won't work. It could be caused by a variety of reasons, including 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.
Another reason your key fob won't work could be because the fob is not programmed properly. This can happen if the key is exposed to water or it is not properly removed after replacing the battery. It is usually possible to restore the programming by following the steps in the owner's manual. If you cannot get it done, you can go to an expert locksmith or dealer to complete the task for you.
Water damage
The Citroen C4 is a highly reliable car, but it's still a vehicle with hundreds of interconnected components. It's not uncommon for a Citroen C4 to experience a breakdown. In some cases the problem is fixable. But in others it is possible to see a professional or seek assistance. The most common reasons for why the C4's key fob stop functioning are dead battery, water damage, signal interference and receiver module issues.
The moisture or sweat that accumulates on the circuit board of the key fob might cause water damage. This can cause the circuit to short, resulting in the battery draining or even a dead key fob. To prevent this from happening, make sure to keep your key fob out from water, or place it in a plastic bag before using it.
A multimeter can be used to test the voltage in your battery. A successful test will give values between 12 and 13. If your battery fails to produce these values, then it could be defective. This means that you'll need to change the battery.
Receiver module that is defective
A damaged receiver could cause the keyfob to stop working. Citroen owners often experience this issue because the keyfob has to send an indication to the door handle to unlock the vehicle and start it. The key fob will not work if it does not send the signal. It is required to be replaced. This is usually handled by a technician or a dealer.
There are a variety of possibilities for problems with your Citroen C4 key fob. It could be due to a dead coin-cell battery or damage to the signal or water. The first step to troubleshoot is to test the key fob's batteries and look for obvious signs of damage. This can be done by opening the keyfob and then removing its battery to take a closer look.
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 that you fully snap the fob together before replacing it.
Poor 12 volt battery
Many modern vehicles come with key fobs which allow you to lock or unlock your vehicle remotely. These devices send an electronic signal to the vehicle that controls the locks. They are powered by batteries. Batteries can fail with time. The good news is that the replacement battery isn't expensive and easy to replace. You can use a screwdriver with a flat blade to break the fob or the 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 types of batteries come with different voltages, which can cause the fob to cease working or display a low battery alert. Remember to also orient the battery in a way that the plus and minus marks correspond to the orientation of the original. This will ensure that the chip is receiving correct signals. In other cases, the issue could result from a malfunctioning receiver module. In this scenario, you should contact your dealer for further diagnostics and repairs.
Unpaired keys that require the reprogramming
Car key remotes may cease to function due to many reasons. Fortunately, the majority of these issues can be fixed quickly and easily. The most frequent cause is a dead coin battery, which can be replaced in a few minutes at most auto parts stores. However, it's important to ensure that the new battery is correctly installed. Metal clips for retaining should be tightened correctly and the battery contacts should be clean.
Another possibility is that of a damaged receiver module or signal interference. If the key fob does not receive a strong signal from the receiver it may not be able to 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 removing the battery for a few minutes.
Smart keys are more expensive and cost as high as $500 to replace. They have a security chip that disables the standard immobiliser of your vehicle. It is recommended to keep two working keys available for your C4 to save money on these costly costs. The key fob replacement is repaired and tested using new internal components before being sent to you.
