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15 Things You've Never Known About Citroen Berlingo Key Fob
Citroen C4 Key Fob Replacement

The Citroen C4 Picasso is a small family car/compact SUV with some genuinely innovative features. It's big enough for five people and it's an ideal vehicle to travel around town.

Sometimes, a keyfob might stop working because of pairing issues. This issue can be resolved if instructions are followed properly. For certain vehicles, a professional may be required with special tools.

Dead coin battery

A dead battery is the most common problem affecting remote key fobs. It is an easy fix, however. You just need to replace the coin-sized battery. These batteries look like little silver coins, and are available at your local automotive store. Once you have replaced the battery, you'll be capable of locking and unlocking your vehicle.

Interference is a different reason for why your key fob might not function. This could be due to numerous factors, like objects, weather conditions, or other transmitters operating on the same frequency. If this happens, it could be necessary to remove the ignition key and try again.

Another reason your key fob isn't working could be that the fob is not programmed properly. This can happen in the event that the key was exposed to water, or if the battery is not removed correctly after the key is replaced. Usually, you can fix the car's programming by following the guidelines provided in the owner's manual. If you're not able to do this, you can contact a professional locksmith dealer for assistance.

Water damage

Citroen C4 has a high level of reliability, yet it's still a complicated machine with hundreds interconnected parts. It's not uncommon for a Citroen C4 to experience a malfunction. In some cases, the problem is easily solved. In some instances, you may need to call for help or see an expert. The most common causes of the C4 key fob not working is a dead coin battery damage to the water, signal interference and receiver module issues.

Water damage can result from sweat or moisture on the key fob's circuit board. This could cause the circuit to become shorted, which can lead to the battery draining or even a dead key fob. To avoid this happening, make sure to keep your key fob safe from water or put it in a bag before you use it.

A multimeter can be used to test the battery's voltage. A successful test will reveal values ranging from 12 to 13. If your battery isn't producing these values, it could be defective. This means that you'll have to replace the battery.

Receiver module that is defective


A defective receiver module could cause the key fob to stop working. This is a frequent issue for Citroen owners, as the key fob needs to send a signal to the door handle to open and start the car. The key fob won't function if it is unable to send the signal. It has to be replaced. This is typically done by a mechanic or a dealership.

There are a variety of things that could go wrong with your Citroen C4 key fob. This could be due to a dead coin-cell battery, signal interference or water damage. The first step to troubleshoot is to examine the batteries of the key fob and to check for obvious indications of damage. This can be done by opening the keyfob and removing its battery to have a better view.

If you discover a dead battery, replace it with a new one. Make sure the new one has the same size, voltage, and specification. Also, make sure the fob is fully snapped together before replacing it.

Problematic 12 Volt Battery

Many modern vehicles come with key fobs which allow you to lock or unlock the vehicle remotely. These devices send signals to the vehicle to control the locks. They are powered by batteries. However, batteries can fail over time. The good thing is that the replacement battery is inexpensive and easy to replace. You can use a flat-blade screwdriver to break the fob or your owner's guide may contain instructions on how to do it.

When replacing the battery, make sure that you're using a battery that's the same type and size as the original. Different kinds of batteries have different voltages, which could cause the fob to cease working or display a low battery warning. Make sure you also align the battery in that the positive and negative signs correspond to the original orientation. This ensures that the chip is receiving correct signals. In other cases, the issue could be caused by a defective receiver module. In this instance you should consult your dealer for further diagnostics and repairs.

Keys that are not paired require the reprogramming

The remote for your car's key may stop working due to a number of reasons. Fortunately, most of these problems are fixable quickly and easily. The most common reason is a dead coin battery, which can be replaced in a couple of minutes at most auto parts stores. But, it's crucial to make sure that the new battery is correctly installed. Metal clips for retaining should be tightened correctly and the battery contacts must be clean.

A defective receiver module or signal interference, is a different possibility. If the key fob isn't receiving a sufficient signal from the receiver, it might not lock or unlock doors, start the car or use the hands-free system. In these cases you can reset the receiver by removing the battery for a period of time.

Smart keys, that have an integrated security chip that disables the vehicle's standard immobiliser, are more expensive than traditional metal keys and can cost up to $500 to replace. It is best to have two keys working for your C4 to avoid these high costs. G28 is refurbished with new internal parts and is tested before sending to you.