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Citroen Berlingo Key Fob TroubleshootingCitroen Berlingo Multispace fills a niche in the market for people carriers. Its sliding rear door makes it easy to fit into parking bays, and its tough cabin is more durable than many upmarket rivals.If your key fob was submerged in saltwater or soapy liquid it might not function again, even after a new battery and reprogramming. The internal chip can be damaged because of exposure to water.Water DamageAfter rescuing your key fob from whatever pool, puddle or washing machine it was swimming in, get rid of as much water as possible by shaking it. Place it on the ground with the button facing down and let it run off for a couple of minutes while you clean the inside using a soft cloth. This will prevent any condensation from damaging 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 within the vehicle to deter thieves from hotwiring it. If this is the case, then you must consult an Citroen dealer or a qualified mechanic in order to resolve the problem.citroen key fob replacement The Key Lab warning light could mean that the electronic power assisted steering system is malfunctioning. If this is the case it is recommended to stop the car and test the temperature and pressure of your oil before restarting it. If the problem continues to persist, you’ll have to visit a Citroen dealership or a trained mechanic to address the issue.Dead BatteryThe most frequent cause of the key fob that isn’t working within your Berlingo is the battery in the coin is dead. The button cell inside the key can be easily replaced, but it is important to use the right size, voltage and type of battery. A non-compliant cell could damage the circuit. A dead coin-cell battery can also disable the anti-theft feature. This is a security feature that prevents the engine from starting without the physical key.If the key fob doesn’t respond to the lock button, even after replacing the battery, it could be that the receiver module is faulty and is not communicating with other modules in your vehicle. This can be confirmed using an OBDII scan tool.If the key fob still not responding, try reprogramming it. To do this, follow the directions in the owner’s manual. It should work once it has been reset to its original program.Diagnostics of a faultThe reliability of the Citroen Berlingo is generally praised by its owners. Like all vehicles, faults can occur. One of the most frequent is the battery for the key fob that is dead. This is an easy issue to determine and can be fixed in just a few minutes. Other problems that can arise could be caused by a worn or damaged button or button, water damage to the electronic chip, signal interference, or a remote keyless system receiver module that has developed a fault.It is important to remember that not all key fob batteries are identical. Some batteries are made of inferior materials, which can cause damage to your remote or other electronic components. Make sure you only use batteries of the same type and voltage as the original when replacing the battery. Make sure that the new one fits properly. When inserting the battery into the slot, ensure that the positive (+) face of the battery is facing upwards.If you notice an exclamation mark in the form of an oval on the dashboard, it’s a sign that there is an issue with your vehicle’s electric power-assisted driving. If the warning light is illuminated while driving, it’s advised that you seek advice from a trained mechanic or Citroen Berlingo (incl Multispace) dealership.Radio InterferenceIf your key fob isn’t functioning at all it could be a result of radio interference. This is a problem that could be caused by devices using the same frequency as a remote control. Certain wireless security systems, for instance LED lights sold on the market, can interfere with the RF signal. Try moving these devices into another area if you have them at home.Environmental influences can also disrupt the key fob of the car, in addition to devices that operate on the same frequency. Metal objects, for instance, can interfere with the strength of the signal. Weather conditions can also bend the antenna of the fob, which results in a weaker radio signal. In some instances, even when the fob is near to the car it might not respond to radio signals.Examine the battery to confirm your key fob’s health. The battery should be in good shape and the contacts shouldn’t be corroded. A corroded contact is the primary reason for a key fob not responding to the radio signals. A depleted battery may cause a fob to malfunction. If the issue continues to persist after replacing the battery the antenna may be faulty. A professional locksmith will examine the key fob and make any necessary repairs.