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 to accommodate five people, and is a great vehicle to get around town.
Sometimes, a keyfob might stop working due to pairing problems. This problem may be easily fixed if the instructions are followed. For certain vehicles, a professional will be required with special tools.
Dead coin battery
The most frequent issue with remote key fobs is a dead battery. It's an easy fix, however. All you need 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. Once G28 Car Keys have replaced the battery, then you'll be capable of locking and unlocking your vehicle.
Another reason your key fob isn't working is due to interference. It could be caused by various factors, including weather conditions, objects, or other transmitters on the same frequency. If this happens, it could be necessary to take the ignition key and try again.
Deprogramming your key fob could be a reason for the failure of the key to function. This can happen if the key is exposed to water or if it is not removed properly after replacing the battery. Usually, you can fix the programming of your car by following the directions in the owner's guide. If you're not able to, you can visit a locksmith shop or a professional to assist you.
Water damage
Citroen C4 has a high degree of reliability, but it's still a complicated machine with hundreds of interconnected parts. It's not uncommon for a C4 from Citroen to suffer a breakdown. In some instances the issue can be easily repaired. In other cases you may need to visit a mechanic or contact a professional for assistance. The most frequent reasons why the C4's key fob ceases working are dead coin battery or signal interference, water damage and issues with the receiver module.
The moisture or sweat that accumulates on the circuit board of the key fob can cause water damage. The circuit could be prone to short, resulting in the battery draining or even a dead key fob. Keep your key fob out of the water and in the plastic bag.
A multimeter can be used to measure the battery's voltage. A successful test will produce values that range from 12 to 13 If your battery isn't producing these numbers, then it could be defective. This means that you'll require replacing the battery.
Faulty receiver module
A faulty receiver module can cause the key fob's functionality to cease. This is a frequent issue for Citroen owners, since the key fob needs to transmit a signal to the door handle to unlock and start the car. The key fob won't work if it fails to send the signal. It is required to be replaced. This is typically handled by a mechanic or a dealer.
There are a variety of issues that could happen with your Citroen C4 key fob. It could be an empty coin-cell battery, signal interference or water damage. To begin troubleshooting, check the key fob batteries and check for obvious signs. This can be done by opening the keyfob, then removing its battery for a more thorough view.
Replace the battery in case it is drained. Make sure the new one has the same voltage, size and specification. Make sure that you fully connect the fob before replacing it.
A faulty 12 Volt battery
A majority of modern cars have key fobs which allow you to lock or unlock the vehicle remotely. These devices send signals to the vehicle that controls the locks. They are powered by batteries. Batteries may fail over time. The good news is that the replacement battery isn't expensive and easy to install. You can use a flat-blade screwdriver to break the fob or the owner's manual might contain instructions on how to do it.
Replace the battery with a battery of the same size and type as the original. Different batteries can have different voltages that could cause your fob to stop working or display a low battery warning. Be sure to align the battery so that the plus and minus signs are in the same direction as the original. This ensures that the chip is receiving correct signals. The issue could be caused by a defective module. If this is the case you should consult your dealer for additional diagnostics and repairs.
Unpaired keys that need reconfiguring
Car key remotes might stop working for many reasons. Most of these problems are quick and easy to fix. Most often an inoperable coin-cell battery is the cause. It can be replaced in just a few minutes at most auto part shops. It is important that the new battery is installed correctly. Metal clips for retaining must be properly tightened and the contacts of the battery must be cleaned.
Another possibility is a defective receiver module or signal interference. If the key fob is unable to receive a strong signal from the receiver, it may not be able lock or unlock the doors and start the vehicle, or operate the hands free system. In these cases you can reset the receiver by dismantling the battery for a few minutes.
Smart keys are more expensive and could cost up to $500 to replace. They come with a security chip that disables the standard immobiliser on your vehicle. It is recommended to keep two working keys available for your C4 in order to avoid these high costs. The key fob replacement is restored and tested with new internal components before it is sent to you.