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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 be squeezed into bay parking spaces and its durable cabin is more smack-proof than most upmarket rival offerings.
But if your key fob has been bathed in soapy or salt water, it could not be working again, even after a new battery and programming. This is because the internal chip has been damaged by exposure to water.
Water Damage

After getting your key fob back from the puddle, pool or washing machine it's been swimming in, get rid of as much water as you can by shaking it. Lay it on its back with the button in the downward position and let it drain for a couple of minutes before wiping the inside using a soft cloth. This should stop any condensation from causing damage to the electronic chip.
If the warning light on your dashboard that looks like a car with the key symbol appears on your Mk 2 or Mk 3 Citroen Berlingo then this could be a sign of an immobilizer malfunction. It is a security device that is installed in the vehicle to stop thieves from stealing it. If this is the case you'll have to visit a Citroen dealer or a certified mechanic to solve the issue.
A constant warning light could mean that the electric power-assisted steering has a problem. If this is the situation 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 will need to see a Citroen dealer or trained mechanic to address the problem.
Dead Battery
The most frequent reason for the key fob that isn't working on your Berlingo is an inactive coin battery. The button cell in the key can be replaced however it is essential to select the correct size, voltage, and type of battery. A battery that isn't compatible could cause damage to the circuit board. A dead coin battery can also disable the anti-theft system. This is a security measure that prevents the engine from starting without a physical key.
If the key fob is still not responding to the lock button despite replacing the battery it could be a faulty receiver module that is not communicating with the other modules on your vehicle. This can be detected using an OBDII scan tool.
If the key fob is not responding, you could try reprogramming it. To do this, follow the guidelines in your owner’s manual. It should work as expected once it has been updated.
Troubleshooting
The reliability of the Citroen Berlingo is generally appreciated by its owners. However, as with any vehicle, there are occasionally faults that do occur. A dead key fob is one of the most frequent issues. Fortunately, this is easy to identify and can be repaired in a few minutes. Other problems that can arise include a worn-out button or a water damage to the electronic chip, signal interference, or a remote keyless system receiver module that has developed an issue.
It is vital to be aware that not all keyfob batteries are the same. Certain batteries are made of inferior materials that could damage your remote, or other electronics. When replacing the battery, you should make sure the replacement battery is of the same type and voltage as the original. Make sure that the new battery fits properly. Make sure the positive (+) side of the battery faces upwards when it is inserted into the slot for the battery.
If you notice an indicator light on your dashboard that looks like a triangle with an exclamation mark, this signifies that the vehicle has identified an issue with its electric power-assisted steering. If this warning light comes on while you're driving and you notice it, we suggest that you seek out a qualified mechanic at an Citroen Berlingo dealership (incl Multispace).
Radio Interference
If your key fob has stopped working suddenly it could be a result of radio interference. This is a problem that could be caused by devices operating on the same frequency as remote controls. Certain wireless security systems, such as LED lights sold on the market, can interfere with the RF signal. Move these devices to another area if you have them at home.
Environmental influences can also disrupt the key fob of automobiles in addition to other devices using the same frequency. For citroen ds3 remote key replacement , metal objects may 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 cases, even when the fob's location is close to the car, it may not respond to radio signals.
To ensure that your key fob is healthy make sure you check the battery. The battery should be in good shape and the contacts should not be affected by corrosion. A damaged or corroded contact can be a major cause of key fobs not responding to radio signals. A depleted battery can also cause fobs to malfunction. If you replace the battery, but the problem persists, it is likely that the antenna is not functioning properly. A professional locksmith can examine the key fob and make the necessary repairs.