Citroen C4 Key Fob Replacement
The Citroen C4 Picasso, a compact SUV that is small for a family, has some truly innovative features. It has decent space for five people, and it's an ideal vehicle to travel around the city.
Sometimes, a keyfob can not work due to pairing problems. If you follow the instructions properly, this issue can be easily fixed. For certain vehicles, a professional will be required with specialized tools.
Dead coin battery
A dead battery is the most common problem that affects remote keys. However, it is an easy fix. All you have to do is replace the battery on your coin. The batteries look like small silver coins and can be purchased at your local auto shop. After you replace the battery, your vehicle should be able of unlocking and lock.
Interference is a different reason for why your key fob might not work. This could be due to many reasons, including objects, weather conditions or other transmitters using the same frequency. If this happens it could be necessary to take out the ignition key and try again.
The key fob's deprogramming could be a reason for its failure to work. This can happen if the key is exposed to water or it's not properly removed after replacing the battery. It is usually possible to restore the programming by following the guidelines in the owner's manual. If you are unable to do this, you can seek out a professional locksmith or dealer for assistance.
Water damage
The Citroen C4 is a highly reliable car, but it's still an automobile with a lot of interconnected components. It's not common for a car like the Citroen to suffer a breakdown. In certain instances, the issue is fixable. But in others the situation, you might have to see a mechanic or seek assistance. The most common reasons for the C4 key fob not functioning are an unresponsive coin battery, water damages, signal interference and receiver module issues.
The moisture or sweat that accumulates on the circuit board of the key fob could cause water damage. This could cause a short circuit in the circuit and cause dead key fobs or battery drain. To prevent this from happening, make sure to keep your key fob safe from water, or place it in a bag before using it.
A multimeter can be used to check the voltage of your battery. A successful test will reveal values ranging from 12 to 13. If your battery doesn't produce these values, it could be defective. This means that you will have to replace the battery.
The receiver module is not working properly.
A faulty receiver module can cause the key fob's functionality to cease. Citroen owners are often faced with this problem, as the keyfob must send an indication to the door handle to unlock and start the car. If the key fob fails to send this signal, it won't work and must be replaced. This can be performed at a car dealership or by an expert mechanic.
There are many things that can go wrong with your Citroen C4 key fob. It could be due to a dead coin battery or signal interference, water damage or a damaged electronic chip. The first step in troubleshooting is to examine the batteries of the key fob and look for obvious signs of damage. This can be done by opening the key fob then taking out the battery to get a better view.
If you discover a dead battery, replace it with a fresh one. Make sure that the new battery has the same size, voltage and specification. Make sure you connect the fob prior to replacing it.
Faulty 12 volt battery

Many newer cars have key fobs that let you to lock or unlock your vehicle remotely. These devices send a signal to the car to control the locks and use battery power to operate. Batteries are susceptible to failure over time. The good news is that the replacement battery isn't expensive and simple to install. You can pry the fob apart with 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 types of batteries come with different voltages, which can cause the fob's function to cease or display a low battery warning. Be sure to align the battery in such that the plus and negative indicators are in line with the original orientation. This will ensure that the chip is receiving proper signals. The problem could also be caused by a faulty module. In this situation it is recommended that you contact the dealer for further assistance and repairs.
Unpaired keys that need reprogramming
Car key remotes might fail to function for various reasons. The majority of these issues are easily and quickly repaired. Most often, a dead coin-cell battery is the reason. This can be easily replaced in just a few moments at most auto parts shops. It is essential that the new battery be installed correctly. replacement key for citroen c1 retaining clips should be properly tightened and contacts of the battery should be cleaned.
Another possibility is a defective receiver module or signal interference. If the key fob doesn't receive a strong signal from the receiver it may not be able lock or unlock the doors, start the vehicle or operate the hands free system. In these instances, you can reset the receiver by removing the battery for a period of time.
Smart keys, which contain an integrated security chip that disarms the car's standard immobiliser system They are more expensive than traditional keys made of metal and can cost upwards of $500 to replace. It's best to have two keys working for your C4 to avoid the high cost. This replacement remote key fob case is cleaned and refurbished with new internal parts and tested before sending to you.