Why Citroen Dispatch Remote Key Replacement Isn't As Easy As You Think
Citroen C3 Key Fob Replacement
If the key fob on your C3 stopped suddenly it could be due a defective receiver module. If the key fob's function is functional, the issue may be due to something else, like water damage or a dead coin battery.
The eC3 is aiming at the mass market, and Citroen has worked on making the service accessible to customers. It comes with a variety of options, including remote diagnostics via virtual technology and a dedicated customer support application.
Dead coin battery
If the key fob's unlock button doesn't working, it could be an issue with the coin battery. The battery is expected to last between three and four years with regular use, but it can die in a sudden manner. Fortunately, most car manufacturers have built-in fail-safes so that you can still start and lock your vehicle even if the key fob has a dead battery.
The battery in the key fob is secured by metal clips that form an electrical circuit. The battery may not be able to run if these clips are worn or dirty. The battery should be of the correct size and type. The battery will not fit in the fob if it is too big or too small.
Batteries for key fobs are sold under many names such as CR2016, and even CR2032. These are not interchangeable. Read the owner's guide for your particular model or look for a sticker on the fob that has the details.
Once you've got the right battery, it can be replaced in a matter minutes. Most fobs have a slider, a switch, or a gap that can be used to pry the cover open and replace the battery that was used. Make sure that the new battery is of the same voltage as your old one and that it is inserted correctly.
Water damage
Even the case that your key fob escaped the wash cycle or an immersion in the pool, water isn't good for electronics. It can damage the chip and destroy the battery. There are some things that you can do to prevent damage.
It's crucial to first eliminate the battery, and then dry out the interior as much as you can. You can also make use of a cotton swab that has been dipped in 90-percent isopropyl alcohol to clean the battery and circuit board.
After cleaning the key fob you need to let it dry for a few days. You can speed up the process by placing it on a high shelf that won't be disturbed. Once you are sure that the battery is dry, replace it with an additional battery and continue using it as usual.
If the key fob isn't working, you could have a malfunctioning receiver module that's not transmitting signals to your vehicle. This can be quite expensive to fix, but it's definitely worth trying if you want to avoid having to buy a new one.
The most straightforward way to fix a broken key fob is to replace the battery. Changing the battery should bring back the radio signal and make your key fob function again. However, if the problem persists then you should seek out assistance from a professional.
The receiver module is not working properly.
In some cases the key fob's receiver module may have a defect that hinders it from receiving and transmitting the proper signal. In this situation the car won't recognize the remote control key. G28 will not unlock or start. In this scenario the replacement remote control is required.
Refer to the owner's manual prior to attempting to modify the key fob by yourself. Check that the battery on the key fob is in good health and that all buttons function. You should also close the doors and disconnect any other aftermarket devices, such as radios or alarm systems from the vehicle.
You can also clean the chip by using isopropyl or electronic cleaner. If the chip is damaged, you'll need to replace it.
After you've cleaned your key fob, remove its circuit board. Then apply alcohol swabs clean the contacts and let them dry in the air. After the contacts have dried then you can reassemble and test the key fob. If the key fob still isn't working, it may be necessary to replace the battery. Be sure to choose an alternative battery that is able to provide the same voltage as the previous one. It's also a good idea to ensure that the battery is placed in the correct position, as the contact points are extremely sensitive.
Keyless entry system malfunctions
It can be a hassle when the key fob stops functioning. The good news is that most of the time, it's easy to get it back in operation. The most common cause for a malfunctioning key fob is a dead battery for the coin which is easily replaced in a matter of minutes. Other reasons include signal interference, a bad receiver module, and other electrical problems.
The first step is to ensure that the battery is correctly inserted and has the right voltage. The correct type of battery is also essential. The internal circuitry of the device could be damaged when you use a battery that is not the proper size or one that is not polarized. It is also advisable to check the fuses to ensure they are not blown or haven't melted.
The transponder within the key may be damaged or not functioning properly. This is a problem that will require further diagnosis by a dealer in the car or a professional mechanic.
A lot of auto locksmiths and dealerships can reprogram the fob of your car's keys at a cost, but it can be costly. It may be worth it to reprogram your spare fob if you own one. In most cases, you'll find the instructions in the owner's manual. If you don't own the manual, you can locate instructions on the internet or on YouTube. Before you attempt to repair the key fob, it is vital to refer to the owner's guide.