Citroen C4 Key Fob Replacement
The Citroen C4 Picasso is a compact SUV that's small for a family vehicle, but has some truly innovative features. It's large enough for five people, and is a great vehicle to get around town.
Sometimes, a keyfob might not work due to pairing problems. If you follow the steps properly, this issue can be resolved easily. For certain vehicles, a professional will be required to use specialized tools.
Dead coin battery
The most common problem with remote key fobs is the battery being dead. However, it's an easy fix. All you have to do is replace the battery on your coin. They look like tiny silver coins and are available at your local auto shop. When you replace the battery, your vehicle should be able of unlocking and lock.
Interference is another reason your key fob might not work. This could be due to many reasons, including weather conditions, objects or other transmitters operating on the same frequency. If this occurs it could be necessary for you to remove the ignition key and try again.
Another reason your key fob won't work may be that it has been deprogrammed. This could occur if the key has been exposed to water, or if the battery is not removed properly after replacing the key. Typically, you can repair the car's programming by following the guidelines provided in the owner's manual. If you're unable to do this, you can visit a dealer or professional locksmith to do it for you.
Water damage
Citroen C4 has a high level of reliability, however it's still a complex machine with hundreds of interconnected components. It's not uncommon for a Citroen C4 to experience a breakdown. In certain instances, the issue is fixable. However, in other instances, you might need to see a mechanic or contact a professional for assistance. The most frequent reasons the C4's key fob stop functioning are dead battery, signal interference, water damage and issues with the receiver module.
Water damage can result from sweat or moisture on the key fob's circuit board. This can short the circuit, resulting in a dead keyfob or battery drain. Keep your key fob away from the water and put it in an airtight bag.
A multimeter can be used to check the voltage of your battery. A successful test will yield values that range from 12 to 13 If your battery isn't producing these values, it may be defective. This means that you'll need to replace the battery.
The receiver module is not working properly.
A faulty receiver can cause the key fob to stop working. This is a common problem for Citroen owners, since the key fob is required to transmit a signal to the door handle to unlock and begin the car. The key fob will not work if it fails to transmit the signal. It needs to be replaced. This is usually done by a mechanic or a dealership.
Citroen C4 keys can malfunction due to a variety of reasons. G28 include a dead battery water damage, signal interference or a damaged electronic chip. The first step to troubleshoot is to test the batteries on the key fob and to check for obvious signs of damage. This can be done by opening the keyfob and then removing its battery to have a better view.
If you discover a dead battery replace it with a fresh one. Make sure the new one has the same size, voltage, and specification. Make sure you connect the fob before replacing it.
Faulty 12 Volt Battery
A lot of newer vehicles have key fobs which allow you to lock or unlock your vehicle remotely. These devices send signals to the car to control the locks and run on battery power. However, batteries can fail over time. The good news is that the replacement battery is affordable and simple to install. You can use a flat-blade screwdriver to open the fob, or your owner's manual may contain instructions on how to do it.
When replacing the battery, be sure you're using a replacement battery of the same type and size as the original. Different batteries can have different voltages that could cause your fob to stop functioning or display a low-battery message. Make sure you also align the battery in that the positive and negative numbers are in line with the initial orientation. This ensures that the chip is receiving proper signals. Alternatively, the problem may be due to a malfunctioning receiver module. In this scenario it is recommended that you contact the dealer to discuss further diagnosis and repairs.
Unpaired keys that need Reprogramming
Car key remotes might not function for a variety of reasons. Most of these problems are quick and easy to fix. The most frequent cause is a dead coin battery which can be replaced in a few minutes at many auto parts stores. It is essential to ensure that the new battery is correctly installed. Metal retaining clips should be properly tightened, and the contacts of the battery need to be cleaned.
Another possibility is a malfunctioning receiver module or signal interference. If the key fob doesn't receive a strong signal from the receiver, it could not unlock or lock the doors, start the vehicle or operate the hands free system. In these instances you can reset the receiver by taking off the battery for a period of time.
Smart keys are more expensive and cost as high as $500 to replace. They are equipped with a security chip that disables the standard immobiliser of your vehicle. To avoid the high cost it's best to have at least two keys working for your C4. The key fob replacement is restored and tested with new internal components prior to being shipped to you.