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Citroen Berlingo Key Fob Troubleshooting Citroen Berlingo Multispace fills a niche in the market for people carriers. Its sliding doors at the rear allow it to fit into parking bays and its durable cabin is more smack-proof than many of the more expensive rivals. But if your key fob has bathed in soapy or salt water, it may not work again – even after a new battery and programming. This is because the internal chip has been damaged by exposure to water. Water Damage Shake your key fob to remove as much water as you can. Lay it down with the button facing downwards and let it drain for a few minutes while you wipe down the inside using a soft cloth. This will prevent 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 an automobile key symbol appears to be lit, then it could indicate an issue with the immobilizer. This is a security feature in the vehicle that blocks thieves from installing hotwires. If this is the case, then you must consult an Citroen dealership or trained mechanic to resolve the problem. A constant warning light for the engine could indicate that the electric power assisted steering is not working properly. If this is the case, you should take the vehicle off the road and check the oil pressure and temperature before restarting it. If the problem continues to persist then you should visit a Citroen dealership or trained mechanic to resolve the problem. Dead Battery The most frequent reason for the key fob that isn't working in your Berlingo is a dead battery for the coin. The button cell battery inside the key is simple to replace, however it is important to ensure that you are using the correct voltage and size battery. An uncompatible battery could damage the circuit board. A dead coin-cell can also disable the anti-theft feature. This is a precautionary measure which prevents the engine from being started without a physical key. If the key fob still doesn't respond to the lock button even after replacing the battery it could be that the receiver module has failed and is not communicating with other modules in your vehicle. This can be detected using an OBDII scan tool. If the key fob still isn't working, you can try reprogramming the key fob. To do this, follow the directions in your owner’s manual. After it has been reprogrammed, your device should work perfectly. Diagnosis of a Fault The reliability of the Citroen Berlingo is generally loved by its owners. As with all vehicles, faults can occur. One of the most common is a dead battery on the key fob. This is a simple problem to determine and can be fixed in just a few minutes. citroen c4 replacement key www.thekeylab.co.uk that could occur 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 vital to be aware that not all keyfob batteries are same. Some batteries are made of inferior materials, and can cause damage to your remote key fob or other electronic components in your car. When replacing the battery, you should use a battery that is of the same voltage and type as the original. Also, ensure the new battery is properly fitted. Make sure the positive (+) side of the battery is facing upwards when inserted into the battery slot. If you see an indicator light on your car's dashboard that looks like a triangle with an exclamation point, this signifies that the vehicle has identified problems with its electric power-assisted steering. If this warning light comes on while you're driving then we recommend that you speak with a certified mechanic at an Citroen Berlingo dealership (incl Multispace). Radio Interference Radio interference could be the cause of your key fob not working at all times. This is a common problem caused by devices that operate on the same frequency as your remote control. Certain wireless security devices, such as LED lights aftermarket, can interfere with RF signal. If you own one of these devices at home, try moving them to another room to see if they help. Environmental factors can also interfere with the key fob of cars, in addition to devices that use the same frequency. For instance, metal objects could influence the strength of the signal. Rainy weather can also alter the antenna of the fob, which results in a weaker radio signal. In some instances the key fob might not respond to radio signals, even if it is located near the vehicle. Check the battery to make sure your key fob's health. The battery must be in good condition and the contacts shouldn't be damaged by corrosion. Contacts that are damaged by corrosion are an important reason for the fob's key not responding to the vehicle's radio signals. A drained battery can cause the fob to malfunction. If the issue persists after replacing the battery, the antenna may be malfunctioning. A professional locksmith will examine the key fob and make the necessary repairs.