Citroen Berlingo Key Fob Troubleshooting
Citroen Berlingo Multispace fills a niche in the market for people carriers. Its sliding rear door makes it easy to fit into bay parking spaces, and its tough cabin is more durable than most upmarket competitor offerings.
But if your key fob has been bathed in soapy or salt water, it could not function again, even after a new battery and changing the program. This is because the internal chip has been damaged by exposure to water.
Water Damage
After retrieving your key fob from the puddle, pool or washing machine it's been swimming in, clear it of as much water as you can by shaking it. Lay it on its back with the button facing down and let it drain for a couple of minutes before wiping the inside with a soft cloth. This should prevent any condensation from damaging the electronic chip.
If the warning light on the dashboard that appears like a car, with a key symbol in it appears on your Mk 2 or Mk 3 Citroen Berlingo then it could indicate an immobilizer malfunction. This is a security component inside the vehicle that prevents thieves from stealing it. If this is the case then you will need to visit an Citroen dealership or a certified mechanic to address the problem.
A constant engine warning light could mean that the power-assisted steering is in trouble. If this is so, then you need to stop the car and make sure that the oil pressure is not too high and that the temperature is not too high before you restart it. If the problem continues to persist, you'll have to visit a Citroen dealer or trained mechanic to resolve the problem.
Dead Battery
The most common cause of the key fob being inoperative inside your Berlingo is a dead coin battery. The button cell battery in the key is very simple to replace, but you should ensure that you choose the right voltage size, type and size of battery. A non-compliant cell could damage the circuit. A dead coin-cell can also disable anti-theft. This is a measure of safety that prevents the engine being started without the physical key.
If the key fob still not responding to the lock button even after replacing the battery it could be an issue with the receiver module, which isn't communicating with other modules on your vehicle. This can be identified using an OBDII scan tool.
If the key fob is still not responding, try reprogramming. Follow the steps in the owner's manual to do this. It should work once it has been updated.
Troubleshooting
Citroen Berlingo owners are generally happy with the reliability of the car. However, like all vehicles there are a few issues that can arise. One of the most common is a dead battery on the key fob. Fortunately, it is simple to diagnose and can be replaced in just a few minutes. citroen car key that could occur could be caused by a worn or damaged button or a water damage to an electronic chip, signal interference, or a remote keyless system receiver module that has developed an issue.
It is important to realize that not all keyfob batteries are same. Some batteries are made of inferior materials, which can cause damage to your remote or other electronics. Make sure you use batteries that are of the same type and voltage as the original when replacing the battery. Also, ensure that the new battery is installed correctly. When inserting the battery into the slot, ensure that the positive (+) face of the battery is facing towards the upward direction.
If you notice an exclamation mark in the form of an equilateral triangle on your dashboard, it means that there is an issue with the electric power-assisted driving system in your vehicle. If this warning light illuminates when you drive and you notice it, we suggest that you seek out a qualified mechanic at a Citroen Berlingo dealer (incl Multispace).
Radio Interference
Radio interference could be the cause of your key fob not working immediately. This is a problem that can be caused by devices that use the same frequency as remote controls. For example, some wireless security systems, as well as aftermarket LED lights can interfere with the RF signals. Consider moving these devices to another area if you have them at home.
Environmental influences can also disrupt the key fob of cars in addition to other devices with the same frequency. For instance, metal objects can interfere with the signal's strength. Rainy weather can also cause the fob's antenna to turn, which results in an ineffective signal. In certain situations the key fob might not be able to respond to radio signals even though it is close to the vehicle.
Check the battery to ensure your key fob's health. It must be in good working order, and the contacts should be free of corrosion. Contacts that are corroded are one of the main reasons for a key fob not responding to the radio signals. A depleted battery could cause the fob to malfunction. If you replace the battery, but the problem persists, it is likely that the antenna is not functioning properly. A professional locksmith will inspect the key fob and make necessary repairs.