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https://www.thekeylab.co.uk/citroen-car-keys/
Citroen C3 Key Fob Troubleshooting The Citroen c3 keyfob may cease to function due to various reasons These include worn buttons poor contact with the battery water damage and receiver module issues Make sure the batteries are 12 volts If the key fob does not unlock your car you could be experiencing deprogramming This occurs when certain buttons send an indication to the onboard computer to remove the key from its access list Dead coin battery If your Citroens C3s key fob isnt working The first thing you need to examine is whether the battery is dead Fobs utilize small coinshaped batteries which can be replaced in a few minutes They are available in general stores home improvement stores and auto parts stores Be sure to buy the correct kind Fobs typically require CR2025 or CR2032 but you should refer to the owners manual of your vehicle to determine the type of battery your vehicle requires Remove the button pad and use cotton swabs and alcohol to clean it They will remove the corrosion and clean the contacts which are usually colored gold Once the contacts have been cleaned you can insert the new battery Be cautious not to mix the two types as they have different voltages dimensions and shapes Next you will need to test the voltage of the battery A multimeter calibrated to the batterys voltage range should provide you with a precise reading If the battery has the value that is either above or below its threshold it needs to be replaced You can also try getting your car started using a spare key however this might not be successful in all instances If the issue continues visit an CITROEN dealer with your V5 registration certificate and personal identifi cation documents A CITROEN dealer can obtain the code for your vehicles immobiliser system and get the replacement battery Water damage When the key fob gets submerged it could lose its signal to the car It is advised to remove it as fast as possible out of the pool or puddle After this use the cotton swab along with isopropyl or electronic cleaner to clean the circuit board If the key fob isnt working it may be time to invest in an additional one Signal interference is a common cause of Citroen remote control not working It can happen when there is an intense electrical field in the vicinity of the vehicle or from other transmitters operating on the same frequency The key fob should begin working again after you have left the zone of interference The Citroen C3 key fob might stop working because of worn buttons problems with signal interference receiver module issues or a dead 12volt battery or a malfunctioning chip It will need to be replaced when this happens This can be done by a trained mechanic or at a Citroen dealership If the issue is severe then youll have to get it replaced This is a simple and inexpensive fix but its essential to act quickly The longer you delay fixing the issue the more difficult it becomes It could pose a risk to passengers and you If the issue isnt fixed Receiver module issue If your key fob is not functioning it could be because the receiver module might have developed a fault This could be due to several things including water damage It can happen when you drop your keys or wash them It is possible to repair the issue by removing the chip and cleaning it with isopropyl or an electronic cleaner citroen replacement key will keep the chip from becoming corroded You can reset the receiver module when you disconnect it from the battery and then wait 10 seconds Then reconnect the battery to the vehicle and repeat the process If this doesnt fix the issue bring it to a dealer to be repaired Interference can cause your key to stop working It can be caused by other transmitters using the same frequency or by objects inside your vehicle If youre unable to fix the issue you can go to a dealer to get your key fob reprogrammed The key fob contains a shortrange radio transmitterradiofrequency identification RFID chip and antenna which sends a distinct coded signal to the receiver module in your car If the signal doesnt match the receiver module will not recognize the key and display a key not detected message This can be a frustrating problem particularly when trying to start your vehicle Dead 12 volt battery If your key fob ceases working after the battery has been changed the device could be damaged This is especially common in the event that the key fob was dropped or stepped on however it could also occur following repair on your vehicle that requires removal and reinstallation of the panels Wires are exposed when the panels are removed If your fob is damaged you may require replacement completely A fob that is receiving interference from other devices or locations is a second possibility This can cause RF signals to become less effective and hinder the cars recognition of the remote If this happens you can reset all onboard computers by disconnection of the battery at 12 volts for around 15 minutes This will erase any remaining electrical charge and let the system start over It is crucial to determine the size and quality of the battery before replacing it The circuit board on the key fob can be damaged when the replacement battery is too big or has a different voltage Before installing a new battery you should clean the chip inside the fob to eliminate any contaminants that could cause corrosion Using the correct type of battery can help ensure that it is sealed and shielded from moisture After the key fob has been reinstalled it should work normal It is possible to use the second key even in the event that your vehicle displays a message saying key not detected It may be necessary to press the button multiple times before it responds
