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Citroen Berlingo Key Fob Troubleshooting
Citroen Berlingo Multispace fills a niche in the market for people carriers. Its sliding rear door allows it to be easily inserted into bay parking spaces, and its sturdy cabin can withstand more abuse than many upmarket rivals.
If citroen key was bathed in soapy salt water, it might not be working again, even after a new battery and reprogramming. The internal chip can be damaged by exposure to water.
Water Damage
After rescuing your key fob from whatever puddle, pool or washing machine it was swimming in, clear it of as much water as possible by shaking it. Then, lay it on the button side facing up and let it dry for a few minutes while you wipe the inside down using a towel. This should prevent any condensation from causing damage to the electronic chip.
If the dashboard warning light that looks like a car and has an engraved key symbol appears on your Mk 2 or Mk 3 Citroen Berlingo then this could indicate an immobilizer fault. This is a security function in the vehicle that stops thieves from installing hotwires. If this is the case you'll need to see an Citroen dealer or a trained mechanic to resolve the problem.
A constant warning light for the engine could indicate that the electric power assisted steering is malfunctioning. If this is the situation then you must stop the car and test the temperature and pressure of the oil before restarting it. If the issue continues and you are unable to resolve it, visit a Citroen dealer or a certified mechanic to fix the problem.
Dead Battery
The most frequent cause of the key fob not working on your Berlingo is a dead coin battery. The button cell battery inside the key is very easy to replace, but it is important to ensure that you use the correct voltage and size battery. A battery that is not compatible can cause damage to the circuit board. A dead coin battery may also disable the anti-theft system. This is a security function that stops the engine from being started without the physical key.
If the key fob isn't responding to the lock button even after replacing the battery it could be that the receiver module is damaged and isn't communicating with other modules in your vehicle. This can be confirmed using an OBDII scan tool.
If the key fob is still not responding, you can try reprogramming. Follow the steps in your owner's manual for this procedure. It should work once it has been reset to its original program.
Diagnosis of a Fault
Citroen Berlingo owners are generally satisfied with the reliability of their vehicle. However, like all vehicles there are some issues that arise. A key fob that is dead is one of the most frequently encountered issues. Fortunately, it is simple to identify and is easily replaced within a few minutes. Other causes include a worn-out button, water damage to the electronic chip and interference in the signal, or a remote system receiver module that has a problem.
It is important to keep in mind that not all key fob batteries are equal. Some batteries are made of inferior materials and could cause damage to your remote or other electronic components. Make sure you only use batteries of the same kind and voltage as the original when replacing the battery. Make sure that the new one is properly fitted. When inserting the battery into the slot, make sure the positive (+) face of the battery is facing towards the upward direction.
If you see an alert light on your dashboard which appears like a triangle with an exclamation point, this means that the car has identified an issue with its electric power-assisted steering. If this warning illuminates during driving, it is advised to seek help from a certified mechanic or Citroen Berlingo (incl Multispace) dealership.
Radio Interference
Radio interference could be the reason your key fob's not working at all times. This issue can be caused by devices using the same frequency as a remote control. Some wireless security systems, such as LED lights from the aftermarket, could interfere with RF signals. Move these devices to another room if you have them at home.
Environmental elements can also impact the key fob on the car, in addition to devices that operate on the same frequency. For instance, metal objects may influence the strength of the signal. Rainy weather can also cause the antenna of the key fob to turn, which results in an weakened signal. In some instances even if the fob is near to the car it might not respond to radio signals.
To make sure that your key fob's health is good make sure you check the battery. The battery must be in good condition and the contacts shouldn't be affected by corrosion. A damaged or corroded contact can be an important reason for key fobs not responding to the radio signals. A depleted battery could cause a fob to malfunction. If the issue persists after replacing the battery the antenna might be damaged. A professional locksmith will inspect the key fob and make any necessary repairs.