Citroen C3 Key Fob Replacement
If the key fob on your C3 stopped completely it could be due to a malfunctioning receiver module. If the key fob's function is functional, the issue may be caused by something else, like water damage or a dead coin battery.
Citroen intends to cater to the market of mass appeal with its eC3. It offers several features including virtual remote diagnosis as well as a dedicated app for customer service.
Dead coin battery
If the key fob's unlock function isn't functioning, there could be an issue with the coin battery. The battery is expected to last between three and four years if used regularly however, it could die suddenly. The car manufacturers have developed fail-safes that allow you to lock and start your car even if your key fob is dead.
The battery on the key fob is secured by metal clips that form the circuit. If these are worn or dirty, the battery will not receive power. The battery must also be the correct size and type. If the battery is not big enough or large it will not fit into the fob and will not work properly.
Batteries for key fobs are sold under various names including CR2016 and CR2032. They cannot be interchanged. Check out the owner's manual or look for a sticker on the fob which contains the details.
If you've found the right battery you can replace it within a matter of minutes. The majority of fobs have either a slider or switch or a gap that can be used to open the cover and replace the battery that was used. Make sure that the new battery is the same size and voltage, and that it is placed in the correct direction.
Water damage
Even even if your key-fob has survived the wash cycle or a dip in the pool, water isn't suitable for electronics. It can damage the battery and cause severe damage to the electronic chip inside. There are a few things you can do to reduce the damage.
First, it's important to take the battery off and then dry out the interior and circuit board as much as possible. You can also clean the battery using a cotton-swab that has been dipped into 90-percent alcohol.
After you've cleaned your key fob, you should wait several days for it to completely dry. You can speed the process by placing it on a shelf so it will not be disturbed. Once you are sure that the battery is dry, replace it with the new battery and use it as usual.
If the key fob doesn't work, you may have a defective receiver module that's not able to send signals to your car. It's costly to fix, but is worth it if you don't want to replace your car.
The easiest solution to fix a broken key fob, is to replace the battery. Changing citroen key cost should restore the radio signal and make the key fob to work as it should. If the issue persists, you should seek assistance from a professional.
The receiver module is not working properly.
In some cases an issue with the receiver module of the key fob could cause it to stop receiving or transmitting proper signals. In this situation the car will not recognize the remote control key. It will not unlock or start. In this instance you'll have to purchase a replacement.
The steps for reprogramming the key fob differs based on make and model therefore, you should consult the owner's manual before trying to do it yourself. Check that the battery on the key fob is in good condition and that all buttons work. You should also close the doors and disconnect any other aftermarket devices, such as radios or alarm systems from the vehicle.
You may also try cleaning the chip with isopropyl alcohol or electronic cleaner. If the chip is damaged it will likely need to be replaced.
Once you've cleaned and dried the key fob, remove the circuit board. Clean the contacts using alcohol swabs and allow them to dry. After the contacts have dried then you can reassemble the key fob and test it. If the key fob still isn't working, it might be necessary to replace the battery. Use a battery that has the same voltage level as the old battery. Double-check the battery's placement, since the contact points are very sensitive.
Keyless entry systems that fail
It can be quite frustrating If the key fob ceases functioning. The good news is that most times, it's easy to get it back up and running. The most common cause for a malfunctioning key fob is a dead battery for the coin that can be replaced in minutes. Other causes include signal interference, a bad receiver module and other electrical issues.
The first step is to make sure that the battery is running at the correct voltage and has been correctly placed. It is also important to use the correct battery type. The internal circuitry of the device can be damaged if you use an unsuitable battery. the right size or the correct polarized. Examine the fuses for damage or melted.
Another possibility is that the transponder within the key may have been damaged or lost. This issue will require further diagnosis by a dealer in the car or professional mechanic.
Many dealerships and auto locksmiths can reprogram a car's key fob for a small fee, but this can be expensive. It could be worthwhile to reprogram your spare fob if you own one. It is possible to find instructions in the owner's manual. If you don't own the manual, you can locate instructions online or on YouTube. Before you attempt to fix the key fob, it is important that you consult the owner's manual.