You'll Never Be Able To Figure Out This Citroen Berlingo Key Fob's Tricks Citroen C4 Key Fob Replacement

The Citroen C4 Picasso, a small family vehicle/compact SUV, has some truly innovative features. It has decent space for five people, and it's an ideal vehicle to travel around the city.

Sometimes citroen relay key fob ceases functioning due to pairing issues. This problem may be resolved if instructions are followed properly. For certain vehicles, a professional may require specialized tools.

Dead coin battery

A dead battery is the most frequent issue that affects remote key fobs. It's a simple fix however. All you have to do is replace the coin battery. These batteries look like little silver coins, and can be found at the local auto store. After replacing the battery, your car should be able to unlock and lock.


Another reason your key fob might not work is because of interference. This can be caused by numerous factors, like weather conditions, objects, or other transmitters operating on the same frequency. If this happens it could be necessary to take out the ignition key and try again.

Another reason your key fob isn't working may be that it has been deprogrammed. This could happen when the key has been exposed to water, or the battery is not removed properly after replacing the key. You can usually fix the programming by following the guidelines in the owner's manual. If you're unable to do this resolve the issue, you can contact an expert locksmith or dealer to assist you.

Water damage

The Citroen C4 is a highly reliable car, but it's a vehicle with hundreds of interconnected parts. It's not common for a car like the Citroen to suffer a breakdown. In some cases, the problem is easily resolved. In some cases it is necessary to call for assistance or see a mechanic. The most common reasons for the C4 key fob not functioning are the battery being dead, water damage, signal interference and receiver module malfunctions.

Water damage can be caused by sweat or moisture on the key fob's circuit board. This can short the circuit and result in dead key fobs or battery drain. Keep your key fob away from the water and put it in the bag of plastic.

A multimeter can be used to measure the voltage of your battery. A successful test will reveal values between 12 and 13. If your battery doesn't produce these numbers, it could be defective. This means that you'll require replacing the battery.

Receiver module that is defective

A defective receiver module could cause the key fob to cease working. This is a common issue for Citroen owners, since the key fob must transmit a signal through the door handle to open and start the vehicle. If the key fob fails to send this signal, it won't function and should be replaced. This can be carried out at a dealership for vehicles or by a professional mechanic.

There are many different issues that could happen with your Citroen C4 key fob. It could be due to the battery of your coin-cell is dead, water damage or signal interference. 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 removing the battery to get a better view.

Replace the battery in case it is exhausted. Make sure the new battery has the same voltage, size and specification. Also, ensure that the fob is completely connected prior to replacing it.

Faulty 12 Volt Battery

A majority of modern cars have key fobs that let you to lock or unlock your vehicle remotely. These devices send signals to the car to control the locks and use battery power to operate. Batteries are susceptible to failure over time. The good news is the replacement battery isn't expensive and simple to install. You can pull the fob out with a flat-bladed screwdriver. Or you can get instructions in your owner's manual.

When replacing the battery, make sure that you're using a battery of the same type and size as the original. Different types of batteries have different voltages, which could cause the fob to cease working or display a low battery alert. Be sure to align the battery in a way that the plus and negative numbers correspond to the original orientation. This will ensure that the chip is receiving the proper signals. The issue could also be caused by a defective module. In this scenario, you should contact your dealer to get further diagnostics and repairs.

Unpaired key requiring reprogramming

Car key remotes might fail to function for different reasons. Most of these issues are easily and quickly fixed. The most common reason is the battery in a coin that is dead, which can be replaced in a few minutes at the majority of auto parts stores. It is essential that the new battery be installed correctly. Metal clips for retaining should be properly tightened and the battery's contact points should be clean.

Another possibility is a defective receiver module or signal interference. If the key fob doesn't receive a strong signal from the receiver it might not be able to unlock or lock the doors either, start the vehicle or operate the hands-free system. In these situations, you can reset the receiver by dismantling the battery for a period of time.

Smart keys, that have an integrated security chip that disarms the vehicle's immobiliser system, are more expensive than traditional keys made of metal and can cost upwards of $500 to replace. To avoid these costly costs it's recommended to have at least two working keys for your C4. This key fob for replacement is upgraded with new internal components and is tested before being shipped to you.