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Citroen Berlingo Key Fob Troubleshooting Citroen's Berlingo Multispace occupies a utilitarian niche in the people carrier market. Its sliding rear door makes it easy to fit into parking bays, and its tough cabin is more durable than most upmarket competitor offerings. If your key fob was submerged in soapy water or saltwater the device may not function again even after a new battery and the reprogramming. This is because the internal chip has been damaged due to exposure to water. Water Damage After getting your key fob back from the puddle, pool or washing machine it's been swimming in, clear it of the most water you can by shaking it. Then lay it with the button side down and let it dry for a couple of minutes while you wipe it clean using a towel. This will stop any condensation from causing damage to your electronic chip. If your Mk 2 Citroen Berlingo or Mk 3 Citroen Berlingo dashboard warning light, which appears like the car key symbol illuminates then this could indicate a fault with the immobilizer. This is a security feature that is installed in the vehicle to stop thieves from hotwiring it. If this is the case you'll need to visit a Citroen dealer or a trained mechanic to fix the issue. A constantly flashing engine warning light may indicate that the electric power assisted steering system is failing. If this is the situation it is recommended to take the vehicle off the road and check the temperature and pressure in the engine before restarting it. If the issue continues, you will need to visit a Citroen dealership or trained mechanic to resolve the problem. Dead Battery A dead coin battery is the most frequent reason for your key fob not to function in your Berlingo. The button cell battery that is in the key is easy to replace, however you must ensure that you choose the right voltage and size battery. A cell that is not compatible can cause damage to the circuit. citroen key The Keylab for a coin can also disable the anti-theft system. This is a safety feature that stops the engine from being started without the physical key. If the key fob still not responding to the lock button after replacing the battery it could be due to a faulty receiver module that is not communicating with the other modules of your vehicle. This can be confirmed using an OBDII scan tool. If the key fob isn't responding, you can try reprogramming the key fob. Follow the steps in your owner's manual for this procedure. Once it has been reprogrammed device should work perfectly. Troubleshooting The reliability of the Citroen Berlingo is generally appreciated by its owners. However, as with all vehicles there are a few issues that arise. A dead key fob is among of the most frequently encountered issues. This is an easy issue to recognize and can be repaired within a matter minutes. Other problems include a worn-out button, water damage to the electronic chip or the signal being distorted or a remote receiver module that has a problem. It is important to know that not all key fob batteries are in the same way. Some batteries are made of inferior materials and could cause damage to your remote as well as other electronic. When replacing the battery, make sure you use a battery that is of the same type and voltage as the original. Make sure that the new one is inserted correctly. When inserting the battery into the slot, ensure that the positive (+) face of the battery is facing towards the upward direction. If you see an exclamation point in the shape of an equilateral triangle on your dashboard, it indicates that there is an issue with the vehicle's electric power-assisted driver. If this warning light illuminates while you are driving and you notice it, we suggest that you seek out a certified mechanic at a Citroen Berlingo dealership (incl Multispace). Radio Interference If your key fob stops working at all it could be the result of radio interference. This issue could be caused by devices using the same frequency as a remote control. For instance, some wireless security systems and LED lights can interfere with the RF signals. Try moving these devices to another area if you have them in your home. Environmental influences can also disrupt the key fob on the car, in addition to devices that use the same frequency. Metal objects, for example can affect the signal strength. Weather conditions can also bend the antenna of the fob, which results in a weaker radio signal. In certain situations the key fob might not respond to radio signals, even if it is near to the vehicle. Examine the battery to ensure your key fob's health. The battery should be in good working order and the contacts must not be damaged by corrosion. A corroded connection is the main reason a keyfob does not respond to radio signals coming from vehicles. A depleted battery could cause the fob to malfunction. If the issue persists after replacing the battery the antenna might be damaged. A professional locksmith can examine the key fob and make the required repairs.