Citroen C4 Key Fob Replacement

The Citroen C4 Picasso, a compact SUV/small family car that is truly innovative, comes with some great features. It's big enough for five people and is an excellent way to get around the city.
Sometimes, a keyfob may cease to function due to pairing issues. This problem may be resolved if instructions are followed. For certain vehicles, a technician will be required with specialized tools.
Dead coin battery
A dead battery is the most frequent problem affecting remote key fobs. However, there is a simple solution. You just need to replace the battery that is coin-sized. The batteries look like small silver coins, and can be purchased in your local automotive shop. After you've replaced the battery, you'll be secure enough to lock and unlock your car.
Another reason why your key fob won't work is due to interference. This could be due to many reasons, including weather conditions, objects or other transmitters on the same frequency. If this occurs it could be necessary for you to unplug the ignition key and try again.
Another reason why your key fob won't work could be that the fob is not programmed properly. This can happen if the key is exposed to water, or if it's not properly removed after replacing the battery. Usually, you can re-set the car's programming by following the steps in the owner's manual. If you're unable to do this, you can consult a professional locksmith dealer to help you.
Water damage
Citroen C4 has a high level of reliability, however it's still a complex machine with hundreds of interconnected parts. Like any other car it is likely to experience a breakdown from time to occasion. In some instances the issue can be easily solved. However, in other instances you may need to see a mechanic or call for assistance. The most frequent reasons why the C4's key fob stop working are a dead coin battery or water damage, signal interference and issues with the receiver module.
The moisture or sweat that accumulates on the circuit board of the key fob could cause water damage. The circuit could be prone to short, leading to a battery drain or dead key fob. To avoid this happening, try to keep your key fob out from the water or put it in a plastic bag before you use it.
A multimeter is a tool to check the battery's voltage. A successful test will show values ranging from 12 to 13. If your battery isn't producing these values, then it may be defective. thekeylab.co.uk will need to replace the battery.
The receiver module is not working properly.
A defective receiver can cause the key fob to stop working. Citroen owners frequently experience this issue, because the key fob needs to send an indication to the door handle to unlock the vehicle and start it. The key fob will not function if it is unable to transmit the signal. It is required to be replaced. This can be done at a vehicle dealership or by an expert mechanic.
There are many issues that could happen with your Citroen C4 key fob. It could be due to a dead coin-cell battery or damage from water or signal interference. The first step to troubleshoot is to test the key fob's batteries and look for obvious evidence of damage. You can do this by opening the key fob and then removing the battery to get a better view.
If you spot a depleted battery replace it with a fresh one. Be sure the new battery has the same size, voltage, and specification. Make sure that you fully connect the fob before replacing it.
Poor 12 volt battery
The majority of newer cars have key fobs that allow you to lock and unlock the vehicle from some distance. These devices send a signal the car to control the locks and work on battery power. Batteries can degrade over time. The good part is that the replacement battery is inexpensive and easy to replace. You can pry the fob out using a flat-bladed screwdriver, or you can find the instructions in the owner's manual.
Replace the battery with a battery of the same type and size as the original. Different batteries may have different voltages that could cause your device to stop working or display a low-battery message. Be sure to align 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 right signals. The problem could also result from a malfunctioning module. In this case, it is recommended to contact the dealer to discuss further diagnosis and repairs.
Unpaired keys require changing the program
The remote for the car key can stop working due to a number of reasons. Fortunately, the majority of these problems can be corrected quickly and easily. Most often, a dead coin-cell battery is the cause. It can be replaced in a couple of minutes at most auto part shops. However, it is important to ensure that the new battery is correctly installed. Metal retaining clips should be tightened properly and the battery's contacts should be clean.
A malfunctioning receiver module or signal interference is a second possibility. If the key fob fails to receive a strong signal from the receiver it may not be able lock or unlock the doors either, start the vehicle or operate the hands-free system. In such cases you can try to reset the receiver by disconnecting the battery for a couple of minutes.
Smart keys, which contain an integrated security chip that disables the vehicle's immobiliser system they are more expensive than traditional keys made of metal and can cost as much as $500 to replace. It is recommended to have two keys that work for your C4 in order to avoid the cost of these keys. The replacement remote key fob has been restored and tested with new internal components before being sent to you.