Citroen C3 Key Fob Replacement

If the key fob on your C3 stopped working all of a sudden, it could be due to a malfunctioning receiver module. If the key fob operates, it could be due to something else, like water damage or a dead battery.

The eC3 is going after the mass market, and Citroen has worked on making service simple for customers. It offers several facilities like remote diagnostics that can be performed remotely and a specialized customer service app.

Dead coin battery

If the key fob's unlock button isn't functioning, there could be a problem with the battery of the coin. The battery should last between three and four years with regular usage however, it could die in a sudden manner. Luckily, car makers have built-in fail-safes to ensure that you can still start and lock your car even if the key fob has a dead battery.

The battery inside a key fob is usually held in place by metallic clips for retaining that complete the circuit. If the clips are worn or filthy, the battery might not receive power. The battery must be of the correct size and type. If the battery is too small or too large, it won't fit into the fob and will not perform as expected.

g28carkeys.co.uk are typically sold under different names, like CR2016 and CR2032 (though these are not interchangeable). Read the owner's guide for your particular model or look for a label on the fob that has the information.

When you've got the proper battery that you want to replace, it can be done in a matter of seconds. The majority of fobs have either a slider or switch or a gap that can be used to pry the cover off and replace the old battery. Make sure that the new battery is of the same voltage and is inserted in the correct position.

Water damage

Even if your key fob survived the wash cycle or a dip in the pool, water isn't good for electronics. It can harm the chip and damage the battery. There are several things you can do to reduce the damage.

It is essential to first get rid of the battery first, and then dry the inside as possible. You can also employ a cotton swab which has been dipped into 90 percent alcohol to clean the battery and the circuit board.

After you have cleaned the key fob, you must let it dry for several days. You can speed up the process by placing it on a high shelf that won't be disturbed. Once you're sure it is bone dry, try replacing the battery and using it in the same way as you normally would.

If the key fob still isn't working, it could have a faulty receiver module that's not transmitting signals to your vehicle. It can be expensive to repair, but it's worth it if you don't need to replace your vehicle.

The easiest way to fix a malfunctioning key fob is to replace the battery. The battery change will restore the radio signal and make your key fob to work as it should. If the issue persists you should seek assistance from a professional.

Faulty receiver module


In certain cases, a defect in the receiver module of the key fob can hinder it from receiving or transmitting proper signals. In this scenario, the car will not recognize the remote control key. It will not unlock or start. In this scenario you'll have to purchase a replacement.

The steps required to reprogram a key fob vary by model and brand So, make sure to consult the owner's guide before trying to do it yourself. The first step is to ensure that the battery of the key fob is in good working order and that all buttons are working. Close the doors and remove any aftermarket devices such as radios or alarms from the vehicle.

You may also try cleaning the chip with isopropyl Alcohol or electronic cleaner. If the chip has been damaged, you'll need to replace it.

After cleaning the key fob, remove the circuit board. Then, clean the contacts using alcohol swabs. Let them dry. Once the contacts are dry then you can reassemble the key fob and test it. If it doesn't work, you may need to replace the battery. Be sure to choose an alternative battery that is able to provide the same voltage as the old one. It is also a good idea to make sure the battery is placed in the correct position in the first place, since the contact points can be extremely sensitive.

Keyless entry system that isn't working properly

The key fob is a wonderful convenience in vehicles, but it can be a hassle when it stops working. It's typically easy to get your key fob back up and running. The most common cause for a malfunctioning key fob is a dead battery for the coin that can be replaced within minutes. Other reasons include signal interference or a malfunctioning module and other electrical issues.

The first step is to ensure that the battery is running at the correct voltage and is correctly installed. It is also essential to use the correct type. If you use a wrongly sized or polarized batteries could harm the internal circuitry. Also, you should check the fuses to ensure they're not blown or melted.

A transponder inside the key may be damaged or missing. This is a situation that will require further diagnostics by a dealer in the car or professional mechanic.

Dealerships and auto locksmiths will reprogram the key fob on a vehicle for a fee. However, this can be costly. If you have a spare, it might be worth trying to reprogram the fob yourself. 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 repair the key fob, it is vital to refer to the owner's manual.