Citroen C4 Key Fob Replacement
The Citroen C4 Picasso is a small family car/compact SUV with some genuinely innovative features. It has decent space for five people, and it's an excellent vehicle for getting around town.
Sometimes the key fob ceases working due to pairing issues. If you follow the steps correctly, the issue will be resolved easily. However, a professional with specific equipment is required to fix certain types of vehicles.
Dead coin battery
The most common problem with remote key fobs is the battery being dead. It's a simple fix, however. All you need to do is replace the coin battery. The batteries look like small silver coins and can be purchased at your local auto shop. When you replace the battery, your vehicle will be able to open and lock.
Interference is another reason why your key fob may not function. This can be caused by many factors, such as objects, weather conditions or other transmitters that operate on the same frequency. If this occurs it is possible for you to unplug the ignition key and try again.
Another reason your key fob might not work could be that the device is not programmed properly. This can happen if the key is exposed to water or if it is 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, ask a professional locksmith or dealer for assistance.
Water damage
Citroen C4 has a high degree of reliability, but it's a complicated machine with hundreds interconnected parts. It's not uncommon for a C4 from Citroen to have a breakdown. In some cases, the problem is easily fixed. But in others the situation, you might have to see a mechanic or contact a professional for assistance. The most common reasons for the C4 key fob not functioning are a dead coin battery signals interference, water damage and receiver module issues.
The moisture or sweat that accumulates on the circuit board of the key fob might cause water damage to the circuit board of the key fob. The circuit could be tripped which can result in an unresponsive keyfob or battery drain. Keep your key fob away from the water and in the plastic bag.
You can also check the battery's voltage using a multimeter. A successful test will yield values between 12 and 13 If your battery isn't generating these values, it could be defective. This means you'll need to replace the battery.
Receiver module that is defective
A defective receiver module could cause the key fob to stop functioning. Citroen owners often experience this issue, since the key fob needs to send an alert to the door handle in order to unlock and begin the vehicle. The key fob won't work if it doesn't transmit the signal. It is required to be replaced. This is typically done by a mechanic or a dealership.
Citroen C4 keys can malfunction for a variety of reasons. These include a dead coin battery water damage, signal interference or a defective electronic chip. The first step to troubleshoot is to test the key fob's batteries and to check for obvious signs of damage. This can be done 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 new one. Make sure the new one has the same voltage, size, and specification. Make sure that you fully fix the fob in place prior to replacing it.
Faulty 12 Volt Battery
The majority of newer cars have key fobs that allow you to lock and unlock the vehicle from the distance. These devices send a signal to the car to control the locks. They work on battery power. Batteries can fail with time. The good thing is that the replacement battery is inexpensive and simple to replace. You can use a flat-blade screwdriver to pry open the battery or your owner's manual may contain instructions on how to do it.
When replacing the battery, be 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 can cause the fob's function to cease or display a low battery warning. Remember to also orient 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 the right signals. The problem could also be caused by a faulty module. In this case, it is recommended that you contact the dealer for further assistance and repairs.
Unpaired keys that require Reprogramming
Car key remotes can not function for various reasons. Fortunately, the majority of these issues can be fixed quickly and easily. Most often it is a dead battery that is the reason. This can be repaired in a matter of seconds at most auto parts shops. But, it's crucial to ensure that the new battery is correctly installed. Metal retaining clips must be tightened correctly and the battery contacts must be clean.
A malfunctioning receiver module or signal interference is another possibility. If the key fob doesn't receive a strong signal from the receiver, it may not be able to lock or unlock the doors as well as start the vehicle or operate the hands free system. In these instances you can reset the receiver by removing the battery for a few minutes.
Smart keys are more expensive and cost up to $500 to replace. G28 Car Keys come with a security chip that disables the immobiliser on your vehicle. To avoid these costs, it's a good idea to have at minimum two keys working for your C4. This replacement remote key fob case is upgraded with new internal parts and is tested before being shipped to you.